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ESPEN Guideline
ESPEN guidelines on definitions and terminology of clinical nutrition
T. Cederholm
a
,
*
, R. Barazzoni
b
, P. Austin
c
,
y
, P. Ballmer
d
, G. Biolo
e
, S.C. Bischoff
f
,
C. Compher
g
,
1
, I. Correia
h
,
1
, T. Higashiguchi
i
,
1
, M. Holst
j
, G.L. Jensen
k
,
1
, A. Malone
l
,
1
,
M. Muscaritoli
m
, I. Nyulasi
n
,
1
, M. Pirlich
o
, E. Rothenberg
p
, K. Schindler
q
,
S.M. Schneider
r
, M.A.E. de van der Schueren
s
,
z
, C. Sieber
t
, L. Valentini
u
, J.C. Yu
v
,
1
,
A. Van Gossum
w
, P. Singer
x
a
Departments of Geriatric Medicine, Uppsala University Hospital and Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala
University, Uppsala, Sweden
b
Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
c
Pharmacy Department, Oxford University Hospitals NHS Foundation Trust, United Kingdom
d
Department of Medicine, Kantonsspital Winterthur, Winterthur, Switzerland
e
Institute of Clinical Medicine, University of Trieste, Trieste, Italy
f
Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
g
School of Nursing, University of Pennsylvania, Philadelphia, PA, USA
h
Department of Surgery, Federal University of Minas Gerais, Belo Horizonte, Brazil
i
Department of Surgery and Palliative Medicine, Fujita Health University, School of Medicine, Toyoake, Japan
j
Center for Nutrition and Bowel Disease, Department of Gastroenterology, Aalborg University Hospital, Aalborg, Denmark
k
The Dean's Office and Department of Medicine, The University of Vermont College of Medicine, Burlington, VT, USA
l
Pharmacy Department, Mount Carmel West Hospital, Columbus, OH, USA
m
Department of Clinical Medicine, Sapienza University of Rome, Italy
n
Nutrition and Dietetics, Alfred Health, Melbourne, Australia
o
Department of Internal Medicine, Elisabeth Protestant Hospital, Berlin, Germany
p
Department of Food and Meal Science, Kristianstad University, Kristianstad, Sweden
q
Department of Internal Medicine III, Division of Endocrinology and Metabolism, Medical University Vienna, Vienna, Austria
r
Department of Gastroenterology and Clinical Nutrition, Archet Hospital, University of Nice Sophia Antipolis, Nice, France
s
Department of Nutrition and Dietetics, Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
t
Institute for Biomedicine of Ageing, Friedrich-Alexander University Erlangen-Nürnberg, Hospital St. John of Lord, Regensburg, Germany
u
Department of Agriculture and Food Sciences, Section of Dietetics, University of Applied Sciences, Neubrandenburg, Germany
v
Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing,
China
w
Department of Gastroenterology, Clinic of Intestinal Diseases and Nutritional Support, Hopital Erasme, Free University of Brussels, Brussels, Belgium
x
Department of Critical Care, Institute for Nutrition Research, Rabin Medical Center, Sackler School of Medicine, Tel Aviv University, Petah Tikva 49100 Israel
y
Pharmacy Department, University Hospital Southampton NHS Foundation Trust, United Kingdom
z
Department of Nutrition, Sports and Health, Faculty of Health and Social Studies, HAN University of Applied Sciences, Nijmegen, The Netherlands
article info
Article history:
Received 9 September 2016
Accepted 9 September 2016
Keywords:
Terminology
Definition
summary
Background: A lack of agreement on definitions and terminology used for nutrition-related concepts and
procedures limits the development of clinical nutrition practice and research.
Objective: This initiative aimed to reach a consensus for terminology for core nutritional concepts and
procedures.
Methods: The European Society of Clinical Nutrition and Metabolism (ESPEN) appointed a consensus
group of clinical scientists to perform a modified Delphi process that encompassed e-mail communi-
cation, face-to-face meetings, in-group ballots and an electronic ESPEN membership Delphi round.
*Corresponding author. Clinical Nutrition and Metabolism, Public Health and Caring Sciences, Uppsala University, Uppsala Science Center, Dag Hammarskj€
oldsv€
ag 14B, 751
85 Uppsala, Sweden.
E-mail addresses: tommy.cederholm@pubcare.uu.se (T. Cederholm), barazzon@units.it (R. Barazzoni), peter.austin@uhs.nhs.uk (P. Austin), peter.ballmer@ksw.ch
(P. Ballmer), biolo@units.it (G. Biolo), bischoff.stephan@uni-hohenheim.de (S.C. Bischoff), compherc@nursing.upenn.edu (C. Compher), isabel_correia@uol.com.br
(I. Correia), t-gucci30219@herb.ocn.ne.jp (T. Higashiguchi), mette.holst@rn.dk (M. Holst), gordon.jensen@med.uvm.edu (G.L. Jensen), ainsleym@nutritioncare.org
(A. Malone), maurizio.muscaritoli@uniroma1.it (M. Muscaritoli), i.nyulasi@alfred.org.au (I. Nyulasi), matthias.pirlich@pgdiakonie.de (M. Pirlich), elisabet.rothenberg@
vgregion.se (E. Rothenberg), karin.schindler@meduniwien.ac.at (K. Schindler), stephane.schneider@unice.fr (S.M. Schneider), m.devanderschueren@vumc.nl (M.A.E. de van
der Schueren), cornel.sieber@fau.de (C. Sieber), valentini@hs-nb.de (L. Valentini), yu-jch@163.com (J.C. Yu), Andre.VanGossum@erasme.ulb.ac.be (A. Van Gossum), pierre.
singer@gmail.com (P. Singer).
1
Global co-authors contributing late in the process.
Contents lists available at ScienceDirect
Clinical Nutrition
journal homepage: http://www.elsevier.com/locate/clnu
http://dx.doi.org/10.1016/j.clnu.2016.09.004
0261-5614/©2016 European Society for Clinical Nutrition and Metabolism. Published by Elsevier Ltd. All rights reserved.
Clinical Nutrition 36 (2017) 49e64
Consensus
Malnutrition
Clinical nutrition
Medical nutrition
Results: Five key areas related to clinical nutrition were identified: concepts; procedures; organisation;
delivery; and products. One core concept of clinical nutrition is malnutrition/undernutrition, which in-
cludes disease-related malnutrition (DRM) with (eq. cachexia) and without inflammation, and malnu-
trition/undernutrition without disease, e.g. hunger-related malnutrition. Over-nutrition (overweight and
obesity) is another core concept. Sarcopenia and frailty were agreed to be separate conditions often
associated with malnutrition. Examples of nutritional procedures identified include screening for sub-
jects at nutritional risk followed by a complete nutritional assessment. Hospital and care facility catering
are the basic organizational forms for providing nutrition. Oral nutritional supplementation is the
preferred way of nutrition therapy but if inadequate then other forms of medical nutrition therapy, i.e.
enteral tube feeding and parenteral (intravenous) nutrition, becomes the major way of nutrient delivery.
Conclusion: An agreement of basic nutritional terminology to be used in clinical practice, research, and
the ESPEN guideline developments has been established. This terminology consensus may help to
support future global consensus efforts and updates of classification systems such as the International
Classification of Disease (ICD). The continuous growth of knowledge in all areas addressed in this
statement will provide the foundation for future revisions.
©2016 European Society for Clinical Nutrition and Metabolism. Published by Elsevier Ltd. All rights
reserved.
1. Introduction
Nutrition plays a pivotal role in life and in medicine. Acute and
chronic diseases in most organ systems have pronounced effects on
food intake and metabolism with increased catabolism, which lead
to nutrition-related conditions associated with increased morbidity
and eventually death. At the other end of the spectrum, diet is a
major determinant of future health, i.e. the absence or post-
ponement of disorders like cardio-vascular disease, diabetes, can-
cer and cognitive disease [1].
In order to handle nutritional challenges during disease, trauma,
rehabilitation, and elderly care as well as for the nutritional pre-
vention of disease it is essential to use professional language and
standard terminology that is founded on evidence and widely
accepted in the professional community. However, this is not al-
ways the case. For example, concepts and terms of nutritional
disorders in the current International Classifications of Diseases
(ICD-10) (http://www.who.int/classifications/icd/en/) may not al-
ways be consistent with modern understanding or terms
commonly used in clinical practice and research.
Therefore, it is important for the nutritional practice and
research communities, including dietitians, nurses, pharmacists,
physicians and scientists as well as their respective scientific as-
sociations, to reach consensus on the terminology and criteria to be
used for nutritional disorders as well as for core nutritional pro-
cedures such as screening, assessment, treatment and monitoring.
A unification of the appropriate terminology would enhance the
legitimacy, credibility and comparability of nutritional practices
and could also support future updates of disease and procedure
related classification systems, such as the ICD system. This may lead
to improvements in clinical care and the advancement of the
clinical and scientific nutrition fields.
These aims led the European Society for Clinical Nutrition and
Metabolism (ESPEN) to appoint a Terminology Consensus Group
with the mission to provide such a set of standard terminology with
a main focus on adults.
2. Methodology
2.1. Aim and selection of the expert group
Part of the continuous work of ESPEN is to produce guidelines
that support improvements in clinical care and facilitate research.
In 2014 new standards for setting ESPEN Guidelines were
established [2]. The presented Guideline standard operating pro-
cedures (SOP) aimed to generate high quality guidelines using a
clear and straight-forward consensus procedure, with one of the
goals to establish international leadership in creating up-to-date
and suitable-for-implementation guidelines. To provide a termi-
nology basis for the guideline development was one of the reasons
for launching this initiative.
An international expert group of experienced clinical scientists
was compiled to form the Terminology Consensus Group and to
undertake a modified Delphi process. The consensus group par-
ticipants, i.e. the authors, were selected to represent various clinical
nutrition fields, as well as various professions; dietitians, nurses,
nutritionists, pharmacists and physicians from clinical and basic
science. It was agreed within the group to base the process on open
e-mail communications, face-to-face meetings and open and closed
ballots. The purpose was to ensure that communication was
maintained at each milestone (see below) until a consensus was
reached among all participants. Thus, the statements are based on
consensus rather than on systematic literature searches.
This ESPEN Consensus Statement is partly based on the 2014
initiative by the German Society of Nutritional Medicine Working
Group (DGEM WG) and the related publication “Suggestions for
terminology in clinical nutrition”[3]. The WG consisted of dele-
gates from DGEM as well as from the Austrian Society of Clinical
Nutrition (AKE) and the Swiss Society of Nutritional Medicine
(GESKES). In this DGEM WG-led process thorough literature
searches were undertaken in order to create lists of potential
nutritional terms. The terminology was discussed and definitions
determined in face-to-face meetings and multiple electronic Delphi
rounds [3].
Additional input was solicited from global contributors whose
suggestions were considered by the writing group during the final
writing phase. They are listed as co-authors due to their substantial
contributions.
2.2. Defined milestones of the consensus process
The overall process was based on five major milestones ac-
cording to the ESPEN Guideline methodology [2] with some
modifications:
- Map and establish taxonomy of nutritional nomenclature
-Define criteria for nutritional conditions and concepts
- Describe general nutritional procedures and processes
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e6450
-Define organizational forms of providing food and nutritional
care that are available
-Define forms, routes and products for nutrition therapy and
delivery
We resigned to structure the text thoroughly in statements and
comments, because it seemed not adequate for the present topics.
Moreover, we did not indicate levels of evidence for the statements,
because for most issues clinical trials are lacking. However, we
indicate the strength of consensus according to the ESPEN classi-
fication (Table 1).
Final consensus beyond the working group was achieved by a
Delphi round using an electronic platform and offering five voting
options (agree, rather agree, indecisive, rather disagree, disagree)
and the possibility to place individual comments. Apart from the
guideline authors, other ESPEN members were invited to partici-
pate within four weeks. A total of 38 experts took part and voted
and provided comments. The main text was divided into 90 para-
graphs open for voting. The voting results are indicated in the text
using the classification of Table 1 and the exact percentage of
agreement (sum of ‘agree’and ‘rather agree’).
2.3. Map of nutritional terminology
A decision was taken to organize the terminology base into five
categories as described in Table 2.
3. Results
3.1. Nutritional concepts
Nutrition science deals with all aspects of the interaction be-
tween food and nutrients, life, health and disease, and the pro-
cesses by which an organism ingests, absorbs, transports, utilizes
and excretes food substances [4]. [Strong Consensus, 97%
agreement]
Human nutrition addresses the interplay of nutrition in humans.
Preventive nutrition addresses how food intake and nutrients may
affect the risk of developing disease such as cardiovascular disease
(CVD), obesity, type 2 diabetes mellitus (T2DM), dementia and
cancer, either for populations or for individuals. Public health
nutrition targets actions on a population level in order to reduce the
nutrition related major non-communicable diseases (some
mentioned above) (Table 3). [Strong Consensus, 95% agreement]
Clinical nutrition is the focus of the present terminology
consensus initiative, which is the discipline that deals with the
prevention, diagnosis and management of nutritional and meta-
bolic changes related to acute and chronic diseases and conditions
caused by a lack or excess of energy and nutrients. Any nutritional
measure, preventive or curative, targeting individual patients is
clinical nutrition. Clinical nutrition is largely defined by the inter-
action between food deprivation and catabolic processes related to
disease and ageing (Table 4,Fig. 2). Clinical nutrition includes the
nutritional care of subjects with CVD, obesity, T2DM, dyslipidae-
mias, food allergies, intolerances, inborn errors of metabolism as
well as any disease where nutrition plays a role such as cancer,
stroke, cystic fibrosis and many more. Furthermore, clinical
nutrition encompasses the knowledge and science about body
composition and metabolic disturbances that cause abnormal
changes in body composition and function during acute and
chronic disease. [Consensus, 89% agreement]
Malnutrition/undernutrition, overweight, obesity, micro-
nutrient abnormalities and re-feeding syndrome are clear nutri-
tional disorders, whereas sarcopenia and frailty are nutrition
related conditions with complex and multiple pathogenic back-
grounds (Table 4,Fig. 1).
3.2. Clinical nutrition
3.2.1. Malnutrition. Synonym: undernutrition
Malnutrition can be defined as “a state resulting from lack of
intake or uptake of nutrition that leads to altered body composition
(decreased fat free mass) and body cell mass leading to diminished
physical and mental function and impaired clinical outcome from
disease”[5]. Malnutrition can result from starvation, disease or
advanced ageing (e.g. >80 years), alone or in combination [6].
Basic diagnostic criteria for malnutrition have been defined by
an ESPEN Consensus Statement [7]. Those general criteria are
intended to be applied independent of clinical setting and aeti-
ology. A similar approach to define diagnostic criteria has been
described by a working group of the American Society of Parenteral
and Enteral Nutrition (ASPEN) and the Academy of Nutrition and
Dietetics (Academy) [8]. For details, see respective papers.
[Consensus, 82% agreement]
Briefly, the ESPEN criteria [7] could be summarized that prior to
the diagnosis of malnutrition the criteria for being “at nutritional
risk”according to any validated nutritional risk screening tool must
be fulfilled. Any of two alternative sets of diagnostic criteria will
confirm the diagnosis; i.e. either reduced body mass index (BMI)
<18.5 kg/m
2
in accordance with the underweight definition pro-
vided by WHO, or combined weight loss and reduced BMI (age-
dependent cut-offs) or reduced gender-dependent fat free mass
index (FFMI).
Similarly a brief summary of the ASPEN and Academy [8] criteria
for malnutrition is that six malnutrition criteria need to be
considered for the potential diagnosis of malnutrition; i.e. low
energy intake, weight loss, loss of muscle mass, loss of subcu-
taneous fat, fluid accumulation, and hand grip strength, whereof at
least two should be fulfilled for the diagnosis of malnutrition.
There is an obvious need for the global nutrition community to
come together and find a consensus on the crucial issue of which
criteria to use for the malnutrition diagnosis [9]. [Consensus, 85%
agreement]
Subordinate to the general diagnosis of malnutrition are the
aetiology-based types of malnutrition. Table 4 and Fig. 2 describe
and depict disease-related malnutrition with or without inflam-
mation, and malnutrition/undernutrition without disease. Sub-
classifications of malnutrition are crucial for the understanding of
the related complexities and for planning treatment. [Consensus,
85% agreement]
3.2.1.1. Disease-related malnutrition (DRM) with inflammation.
DRM is a specific type of malnutrition caused by a concomitant
disease. Inflammation is an important watershed for malnutrition
aetiology [8,10e12]. Thus, one type of DRM is triggered by a
disease-specificinflammatory response, whereas the other is
linked mainly to non-inflammatory etiologic mechanisms. [Strong
Consensus, 97% agreement]
DRM with inflammation is a catabolic condition characterized
by an inflammatory response, including anorexia and tissue
breakdown, elicited by an underlying disease. The inflammation
triggering factors are disease specific, whereas the inflammatory
Table 1
Classification of the strength of consensus.
Strong consensus Agreement of >90% of the participants
Consensus Agreement of >75e90% of the participants
Majority agreement Agreement of >50e75% of the participants
No consensus Agreement of <50% of the participants
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e64 51
pathways leading to anorexia, reduced food intake, weight loss and
muscle catabolism are fairly consistent across underlying diseases.
The degree of metabolic response induced by the disease de-
termines the catabolic rate and at what point during the disease
trajectory when clinically relevant malnutrition occurs. The role of
inflammation in the development of malnutrition is emphasized in
a non-diagnostic definition, i.e. “malnutrition is a subacute or
chronic state in which a combination of negative energy balance
and varying degrees of inflammatory activity has led to changed
body composition, diminished function and adverse outcomes”
[5,11]. Advanced ageing per se may contribute to the state of
inflammation [13]. Moreover, inactivity and bed rest accelerate
muscle catabolism during DRM with inflammation.
A special concern is that malnutrition is an emerging occurrence
among overweight/obese persons with disease, injury, or high
energy poor quality diets in both developed and developing
countries. The underlying general mechanism is a misbalance be-
tween the energy intake, energy expenditure and the quality of the
nutrient intake. Fat mass/adipocytes in excess, especially in the
form of central obesity, are associated with an inflammatory
response that also likely contributes to the state of malnutrition
(see also Section 3.2.4.1.1).
Subordinate concepts to DRM with inflammation are;
- chronic DRM with a milder inflammatory response, and;
- acute disease- or injury-related malnutrition that is character-
ized by a strong inflammatory response (Table 4,Fig. 2)
[8,10e12,14]. [Strong Consensus, 100% agreement]
3.2.1.1.1. Chronic DRM with inflammation. Synonym: cachexia.
The two concepts of chronic DRM with inflammation and cachexia
are exchangeable, although cachexia is often incorrectly perceived
as end-stage malnutrition. Cachexia is traditionally described as “a
complex metabolic syndrome associated with underlying illness
and characterized by loss of muscle mass with or without loss of fat
mass. The prominent feature of cachexia is weight loss in adults”
[15,16]. The cachectic phenotype is characterized by weight loss,
reduced BMI and reduced muscle mass and function in combina-
tion with an underlying disease that displays biochemical indices of
on-going elevated inflammatory activity. Cachexia occurs
frequently in patients with end-stage organ diseases that are
complicated by catabolic inflammatory responses, which include
cancer, chronic obstructive pulmonary disease (COPD), inflamma-
tory bowel diseases, congestive heart failure, chronic kidney dis-
ease and other end-stage organ diseases. The systemic
inflammation that drives the catabolism of such disorders is usually
of milder character; i.e. for example serum concentrations of C-
reactive proteins (CRP) seldom exceed 40 mg/L, although inflam-
matory flares may occur during disease exacerbations. CRP >5 mg/L
is suggested as a lower limit to define relevant inflammation in this
scenario; although other CRP cut-off levels for various given
methods, as well as other biochemical inflammatory markers,
could be considered.
Cachexia, as described in cancer, can progressively develop
through various stages: pre-cachexia; cachexia; and refractory
cachexia [16,17]. Cancer cachexia, which is a specific form of chronic
DRM with inflammation, is according to Fearon et al. [17] defined
by either weight loss >5% alone, or weight loss >2% if BMI is
Table 2
Taxonomy of nutrition terminology, i.e. the structure of nutritional nomenclature as presented in this consensus statement.
A. Classification, definition and diagnostic criteria (when feasible) of core nutritional concepts and nutrition-related disorders (Tables 3 and 4,Figs. 1 and 2)
B. Descriptions of nutritional procedures, and explanations of how assessment, care, therapy, documentation and monitoring are performed (Table 5)
C. Organization and forms of delivery of nutritional care (Table 6)
D. Forms of nutrition therapy, i.e. types and routes (Table 7)
E. Nutritional products, i.e. formulas and types of products for oral, enteral and parenteral use
Table 3
Classification of nutritional concepts.
❖Human nutrition
➢Preventive nutrition
▪Population based public health nutrition
➢Clinical nutrition
Table 4
Classification of clinical nutrition concepts; i.e. nutrition disorders and nutrition
related conditions.
❖Clinical nutrition
➢Malnutrition; Synonym: Undernutrition
▪Disease-related malnutrition (DRM) with inflammation
Chronic DRM with inflammation; Synonym: Cachexia
ACancer cachexia and other disease-specific forms of cachexia
Acute disease- or injury-related malnutrition
▪DRM without inflammation. Synonym: Non-cachectic DRM
▪Malnutrition/undernutrition without disease. Synonym: Non-DRM
Hunger-related malnutrition
Socioeconomic or psychologic related malnutrition
➢Sarcopenia
➢Frailty
➢Over-nutrition
▪Overweight
▪Obesity
Sarcopenic obesity
Central obesity
➢Micronutrient abnormalities
Deficiency
Excess
➢Refeeding syndrome
[Consensus, 80% agreement]
Fig. 1. Overview of nutrition disorders and nutrition-related conditions.
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e6452
reduced (<20 kg/m
2
) or fat free mass (FFM) is reduced; i.e.
appendicular skeletal muscle mass index <7.2 kg/m
2
(men) or
<5.5 kg/m
2
(women). [Strong Consensus, 93% agreement]
A similar concept known as cardiac cachexia has been estab-
lished by Anker et al. [18] for patients with chronic heart failure
which is based on non-intentional and non-oedematous weight
loss >7.5% of the premorbid normal weight. Cardiac cachexia is
associated with abnormal neuroendocrine and immunologic
function and impaired prognosis independent of age and severity of
disease.
Patients with pre-cachexia are at risk of malnutrition due to the
inflammatory response elicited by the underlying chronic disease
[16,17] (see Section 3.3.1.1).
Diagnostic criteria for chronic DRM with inflammation/cachexia
are suggested to be the same as those for malnutrition combined
with the simultaneous presence of an underlying disease and
biochemical indices of either ongoing or recurrent inflammation.
Biochemical indicators of inflammation include elevated serum
CRP concentrations and/or reduced serum concentrations of albu-
min. [Strong Consensus, 97% agreement]
3.2.1.1.2. Acute disease- or injury-related malnutrition.
Patients in an Intensive Care Unit (ICU) with acute disease or
trauma (e.g. major infections, burns, closed head injury) or those
after major surgical procedures display specific nutritional chal-
lenges with high risk of consequent malnutrition due to their often
highly pronounced stress metabolism [14]. The combined action of
high pro-inflammatory cytokine activity, increased corticosteroid
and catecholamine release, resistance to insulin and other growth
hormones, bed rest and no or reduced food intake pave the way for
a fast decline of body energy and nutrient stores. Such patients
need to have nutrition care plans initiated irrespective of body
weight or any anthropometric measurement.
There are no agreed objective criteria for malnutrition in the ICU
patient, but the obvious catabolic clinical picture always needs to be
managed from a nutritional point of view. [Strong Consensus, 97%
agreement]
3.2.1.2. DRM without inflammation. Synonym: non-cachectic DRM.
DRM without inflammation/non-cachectic DRM is a form of
disease-triggered malnutrition in which inflammation is not
among the etiologic mechanisms. These alternative mechanisms
could include dysphagia resulting from upper digestive obstruc-
tion, neurologic disorders such as stroke, Parkinson's disease,
amyotrophic lateral sclerosis (ALS) or dementia/cognitive
dysfunction. Psychiatric conditions like anorexia nervosa and
depression, or malabsorption due to intestinal disorders such as
short bowel syndrome (for example after bowel resection due to
mesenteric infarction), are other mechanisms for the development
of non-inflammation driven DRM. Advanced ageing per se may
contribute to DRM without inflammation by anorexia; denoted
“anorexia of ageing”[19] (see Section 3.2.3), that is caused also by
non-inflammation related mechanisms. Inflammation may for
some of the described diseases be involved in the initial phase of
the malnutrition trajectory, but does not have a clinically relevant
impact in the later phases of the malnutrition process. For some
diseases, e.g. Crohn's disease, patients may oscillate between
malnutrition with and without inflammation.
Diagnostic criteria for DRM without inflammation/non-
cachectic DRM are identical with those for malnutrition, com-
bined with an underlying disease but with no biochemical indices
of present or recurrent inflammation. [Strong Consensus, 94%
agreement]
3.2.1.3. Malnutrition/undernutrition without disease. Synonym: Non-
DRM. Whilst DRM is the principal form of malnutrition in affluent
societies, hunger is still the principal cause of malnutrition in poor
developing countries. Hunger is mainly of non-DRM origin. Within
the concept of non-DRM there are also miscellaneous socioeco-
nomic/psychological mechanisms operating which are unrelated to
availability of food. As indicated advanced ageing may contribute to
any form of malnutrition/undernutrition.
The metabolic phenotype and the principles for treatment of
non-DRM are in many respects similar for undernutrition/starva-
tion due to hunger, socioeconomic/psychological factors, or DRM
without inflammation. [Strong Consensus, 97% agreement]
3.2.1.3.1. Hunger-related malnutrition. Hunger-related malnu-
trition is caused by deprivation of food, and is mainly appearing in
poor developing countries and can manifest through famine due to
natural disasters like droughts or flooding.
Diagnostic criteria for hunger-related malnutrition are the same
as those for malnutrition when hunger or food deprivation in the
absence of disease is the clear cause for the condition. [Strong
Consensus, 97% agreement]
3.2.1.3.2. Socioeconomic or psychologic related malnutrition.
Non-DRM, other than hunger-related malnutrition as described
above may emerge during difficult situations such as poverty, social
inequities, poor care, mourning, poor dentition, self-neglect, im-
prisonments or hunger strike. Such conditions have effect not only
on the energy intake, but also on the quality of the food intake.
[Strong Consensus, 97% agreement]
Fig. 2. Diagnoses tree of malnutrition; from at risk for malnutrition, basic definition of malnutrition to aetiology-based diagnoses
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e64 53
3.2.2. Sarcopenia
Sarcopenia is a syndrome of its own characterized by the pro-
gressive and generalised loss of skeletal muscle mass, strength and
function (performance) with a consequent risk of adverse out-
comes [20e22]. Whilst often a phenomenon of the ageing pro-
cesses (primary sarcopenia) preceding the onset of frailty (see
below), it may also result from pathogenic mechanisms (secondary
sarcopenia) [20] that are disease-related, activity-related (e.g.
disuse) or nutrition-related (e.g. protein deficiency).
Diagnostic criteria for sarcopenia have not been firmly estab-
lished to date. The ESPEN endorsed recommendations of the Eu-
ropean Working Group on Sarcopenia in Older Persons [20],aswell
as the statement from the ESPEN Special Interests Groups of
Cachexia in Chronic Disease and Nutrition in Geriatrics [16] indicate
an algorithm based on loss of muscle mass and strength and/or
function. Muscle mass can be estimated by any validated technique,
which in clinical practice usually involves dual x-ray absorptiom-
etry (DXA), bio-electric impedance analysis (BIA) or computed to-
mography (CT) scanning. For example, reduced muscle mass could
be indicated by an appendicular skeletal muscle mass index
<7.26 kg/m
2
(men) and <5.5 kg/m
2
(women) [20]. Reduced muscle
function may be designated by reduced gait speed or failure of the
chair standing tests (which tests lower extremities). Practical
diagnostic cut-offs for gait speed are considered to be: <0.8 m/s
[20] or <1.0 m/s [21]. Reduced muscle strength may also be
measured by handgrip strength; suggested cut-off points are
<20 kg for women and <30 kg for men [20]. [Strong Consensus, 94%
agreement]
3.2.2.1. Sarcopenic obesity esee section 3.2.4.1.1. ,
3.2.3. Frailty
The definition of frailty is evolving, as this emerging concept is
still under discussion among experts in gerontology and geriatrics
[23]. The general perception is that frailty is a state of vulnerability
and non-resilience with limited reserve capacity in major organ
systems. This leads to reduced capability to withstand stress such as
trauma or disease and thus frailty is a risk factor for dependence
and disability. Frailty is mainly related to advanced age but never-
theless it is considered to be modifiable by lifestyle interventions.
The condition contains nutrition-related components; e.g. weight
loss, and is linked to sarcopenia [24]. In that capacity physical frailty
merits to be listed among nutrition-related conditions. Anorexia of
ageing is an unintentional decline in food intake caused by factors
such as altered hormonal and neuro-transmitter balance affecting
hunger and satiety which may contribute to age-related weight loss
[19]. Financial constraints, loneliness, depression, difficulties with
chewing (including poor dentition) and presbyphagia (changes in
the swallowing mechanism) are further examples of conditions
that may contribute to malnutrition and thus to frailty in the more
elderly.
Several sets of diagnostic criteria for physical frailty have been
suggested. The phenotype of frailty as defined by Fried et al. [25]
included the fulfilment of three out of five criteria: weight loss;
exhaustion (fatigue); low physical activity; slowness (e.g. reduced
gait speed); and weakness (e.g. low grip strength). Detailed cut-off
values for each measurement have been suggested, but consensus
is yet not achieved [26]. [Strong Consensus, 97% agreement]
3.2.4. Over-nutrition
3.2.4.1. Overweight and obesity. Overweight and obesity are
defined as abnormal or excessive fat accumulation that may impair
health [27]. Classification of overweight and obesity in adults is
achieved through the use of body mass index (BMI), which is a
simple index of weight-for-height. It is defined as a person's weight
in kilograms divided by the square of their height in meters.
Accordingly,
- BMI between 25 and 30 kg/m
2
implies overweight
- BMI greater than or equal to 30 kg/m
2
implies obesity
Obesity can be further classified in grades according to BMI
Obesity grade I: BMI 30 e<35 kg/m
2
Obesity grade II: BMI 35 e<40 kg/m
2
Obesity grade III: BMI 40 kg/m
2
Grading of obesity could be adjusted for race/ethnicity. Thus,
corresponding lower cut-offs have been proposed for Asian pop-
ulations both for diagnosis of obesity [28,29], and for risk of
obesity-associated complications [30].
As previously mentioned in Section 3.2.1.1 it is also common for
overweight/obese persons to be malnourished in the setting of
disease or injury or consumption of high energy poor quality diets,
such that over-nutrition and malnutrition may exist simulta-
neously. [Strong Consensus, 94% agreement]
3.2.4.1.1. Sarcopenic obesity. Sarcopenic obesity is defined as
obesity in combination with sarcopenia that occurs for example in
older individuals, in those with T2DM, COPD, and in obese patients
with malignant disorders and post organ transplantations. Mech-
anisms include inflammation and/or inactivity induced muscle
catabolism in obese patients [31,32]. The condition can occur
virtually at all ages.
For body composition measurement in clinical practice DXA
might be most accurate in obese individuals. Computed tomogra-
phy (CT) scan is an alternative emerging technology for the mea-
surement of muscle mass. There is no clear consensus about normal
ranges for fat-free mass index (FFMI, fat-free mass/height
2
), and the
uncertainty is even larger for the obese individual, since the normal
ranges might be different from the lean population [33]. Low FFMI
and high FMI was associated with poor outcome in terms of length
of hospital stay when compared with normal FFMI or FMI, when
using BIA in a large cohort of hospital patients [34].
Currently, there are no commonly accepted criteria for sarco-
penic obesity beyond those for sarcopenia and obesity separately.
Muscle function can be assessed by strength and power as for
sarcopenia,i.e.musclestrengthbyusinghandgripmeasurements
or chair stand tests. Muscle power could be measured by gait
speed, or by assessing patient autonomy by Activity of Daily
Living (ADL) scores and mobility by for example the Short Physical
Performance Battery (SPPB) [35]. [Strong Consensus, 97%
agreement]
3.2.4.1.2. Central obesity. Accumulation of intraabdominal fat is
associated with higher metabolic and cardiovascular disease risk
[27], which includes insulin resistance, T2DM, dyslipidaemia and
hypertension. These associations are most relevant in moderately
obese patients (BMI<35) as well as in non-obese individuals cate-
gorized as overweight (i.e. with BMI 25- 30). The presence of cen-
tral obesity (also known as abdominal, visceral, upper-body or
android obesity) can be clinically defined by increased waist
circumference (WC) measured in the mid-horizontal plane be-
tween the superior iliac crest and the lower margin of the last rib
[36]. Recent European consensus statements define abdominal
obesity by WC 94 cm for men, and 80 cm for women [37],
whereas US Guidelines indicate corresponding definitions of
102 cm and 88 cm respectively [38]. Like for obesity ethnic and
regionally adapted cut-offs are also available.
Intraabdominal fat can also be assessed by imaging techniques
but these are costly and not routinely available, and in addition
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e6454
there are no clearly defined values for assessment. [Strong
Consensus, 97% agreement]
3.2.5. Micronutrient abnormalities
Micronutrient abnormalities can involve a deficiency or excess
of one or more vitamins, trace elements or minerals. Abnormalities
may result from changes in food intake, absorption, losses, re-
quirements and intake of medicines, alone or in combinations. In-
dividual requirements can vary according to age and diet (foods
may be fortified) as well as the presence of disease or injury. A
complete nutritional assessment is important when assessing
micronutrient status since specific micronutrient deficiencies are
frequently associated with undernutrition [39]. Analysis of dietary
records may suggest potential deficiency or excess based on rec-
ommended dietary allowances (RDA). RDAs are defined for healthy
populations and may therefore not always match the needs of in-
dividuals with disease.
The laboratory assessment of micronutrient abnormalities is
complex since measured concentrations do not necessarily reflect
adequacy, for example an acute phase response can affect the
concentration reported. Laboratory testing of micronutrient status
is generally not routinely undertaken unless there is a specific acute
concern, use of restrictive dietary regimes, a prolonged history of
undernutrition or during supplementation. [Strong Consensus,
100% agreement]
3.2.5.1. Micronutrient deficiency. Micronutrient deficiency occurs
when there is a deficit of one or more micronutrient/s compared to
requirements [40]. Specific micronutrient deficiencies can have
dramatic consequences such as rickets and osteoporosis from
vitamin D deficiency, night blindness from vitamin A deficiency, or
beriberi or Wernicke-Korsakov syndrome due to thiamine deple-
tion. But micronutrient deficiencies can also lead to impaired
function that may be less obvious such as poor wound healing or
increased susceptibility to infection. These more subtle effects may
be overlooked in clinical practice, for example after bariatric sur-
gery [41].
Laboratory assessed concentrations may be valuable when there
is concern about long-standing deficiency following clinical
assessment or when infrequent periodic checks are required for
long-term nutritional supplementation. [Strong Consensus, 94%
agreement]
3.2.5.2. Micronutrient excess. Micronutrient excess occurs when
there is too much of one or more micronutrients compared to re-
quirements [42]. Micronutrient excess can lead to specific symp-
toms such as the movement disorders of manganese accumulation
and subsequent toxicity, or to more general symptoms such as skin
irritation and rashes from excessive niacin, hip fracture risk ensuing
from excessive retinol intake or peripheral neuropathy following
long lasting high intake of vitamin B6. Overprovision of micro-
nutrients can result from incorrect prescription.
Clinical assessment and diagnosis play key roles in determining
micronutrient excess, partly due to the difficulties with laboratory
analyses. For patients on long-term nutritional supplementation
laboratory monitoring every 6 months can be recommended [43].
[Strong Consensus, 94% agreement]
3.2.6. Refeeding syndrome
Refeeding syndrome (RS) is a severe disruption in electrolyte or
fluid balance that is precipitated in malnourished subjects when
feeding (oral, enteral or parenteral nutrition) is begun too aggres-
sively after a period of inadequate nutrition.Patients at high risk are
those with chronic alcoholism, subjects with severe chronic un-
dernutrition, anorexia nervosa, or depleted patients with acute
illness. Clinical symptoms can include fluid retention with pe-
ripheral oedema, congestive heart failure, cardiac arrhythmia, res-
piratory failure, delirium, encephalopathy, and other severe organ
dysfunctions. RS usually occurs within the first four days after
nutrition therapy is commenced. Hypophosphatemia that drives
many of the medical complications of RS may be the most frequent
electrolyte disturbance, with or without hypokalaemia, hypomag-
nesemia and hypocalcaemia [44].
Diagnostic criteria for RS include fluid imbalance, disturbed
glucose homeostasis, hyperlactatemia suggesting vitamin B1 defi-
ciency, but most frequently hypophosphatemia, hypomagnesemia
and hypokalaemia. Screening for patients at risk of RS includes one
or more of the following: BMI<16 kg/m
2
; unintentional weight loss
>15% i n 3e6 months; little or no intake for >10 days; or low po-
tassium, phosphate and magnesium before feeding. If two or more
of the following factors exist a risk of RS should also be considered:
BMI <18.5 kg/m
2
; unintentional weight loss >10% in 3e6 months;
little or no nutritional intake for >5 days; or a history of alcohol
misuse or chronic drug use (insulin, antacids, diuretics) [43,45].
[Strong Consensus, 97% agreement]
3.3. Nutritional procedures - the nutrition care process
Nutritional care should be provided in a systematic sequence
that involves distinct interrelated steps and this systematic
sequence is called a nutrition care process (Table 5).
3.3.1. Malnutrition risk screening
Risk screening is a rapid process performed to identify subjects
at nutritional risk, and should be performed using an appropriate
validated tool in all subjects that come in contact with healthcare
services. Depending on the care setting, screening should be per-
formed within the first 24e48 h after first contact and thereafter at
regular intervals. Subjects identified as at risk need to undergo
nutritional assessment (see Section 3.3.2). There are several risk
screening tools in use, and many are validated for predicting
outcome, whereas some identify subjects that will benefit from
nutrition therapy.
It is important to underscore that “risk of malnutrition”as it is
identified by the screening tools (usually combining weight loss,
reduced food intake and disease activity) is in itself a condition
related to increased morbidity and mortality.
ESPEN suggests the use of Nutrition Risk Screening-2002 (NRS-
2002) and the Malnutrition Universal Screening Tool (MUST). For
older persons ESPEN recommends the use of the Mini Nutritional
Assessment (MNA) either in its full or short form (MNA-SF). These
tools are all compiled of various combinations of registered or
measured BMI, weight loss, food intake, disease severity and age.
Other validated tools that combine similar variables and which are
frequently used include the Malnutrition Screening Tool (MST) and
the Short Nutritional Assessment Questionnaire (SNAQ). Malnu-
trition risk screening tools are well described in the literature and
will not be further described here [46e50]. [Strong Consensus, 97%
agreement]
3.3.1.1. Pre-cachexia screening. The process to screen for pre-
cachexia, a state that may precede cachexia, is performed in or-
der to launch measures that may prevent or postpone the devel-
opment of cachexia as early as possible. The procedure refers
mainly but not exclusively to patients with cancer [16], and could
be regarded as a form of DRM with inflammation risk screening
procedure (see Section 3.3.1).
Pre-cachexia is diagnosed in patients affected by chronic dis-
eases, including cancer, based on the concomitant presence of
weight loss <5%, anorexia and metabolic disturbances related to
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e64 55
systemic inflammation as revealed by for example increased serum
CRP levels [16,17]. [Strong Consensus, 97% agreement]
3.3.1.2. Sarcopenia screening. The ESPEN endorsed statement from
the European Working Group on Sarcopenia in Older Persons rec-
ommends screening for sarcopenia from age 65 years onwards by
measuring gait speed and then, based on the results handgrip
strength and/or muscle mass [20]. [Strong Consensus, 100%
agreement]
3.3.2. Nutritional assessment
Nutritional assessment should be performed in all subjects
identified as being at risk by nutritional risk screening, and will give
the basis for the diagnosis decision (see Section 3.2.1), as well as for
further actions including nutritional treatment. Predefined assess-
ment tools like Subjective Global Assessment (SGA) [51], Patient-
Generated (PG)SGA and Mini Nutritional Assessment (MNA)
could be used to facilitate the assessment procedure.
Assessment of the nutritional status comprehends information
on body weight, body height, body mass index (kg/m
2
), body
composition (see Section 3.3.6.2) and biochemical indices (see
Section 3.3.6.3). [Strong Consensus, 97% agreement]
Objectives of the assessment are to evaluate the subject at risk
according to the following measures:
- A medical history should be taken, and physical examinations
and biochemical analyses should be performed in order to
decide the underlying disease or condition that may cause the
potential state of malnutrition.
- Social and psychological history is taken to establish potential
effects of living conditions, loneliness and depression on nutri-
tional needs, and whether input from other professional groups
may be of benefit.
- A nutrition history, including limitations in food intake, should
be taken and examinations and observations should be per-
formed in order to decide the underlying nutritional causes, and
to identify major nutritional obstacles and calculate nutritional
needs.
- Energy and fluid needs are determined by indirect calorimetry
(energy expenditure) or calculated according to validated
equations.
- Protein needs are established in the range from 0.8 g/kg/day
(healthy adults) and up to 1.5 g/kg/day (in some cases even
higher) according to age, disease and degree of protein deple-
tion [52].
- Micronutrient needs should be determined according to pre-
vailing recommendations and the clinical picture. [Strong
Consensus, 94% agreement]
3.3.3. Diagnostic procedure
When the nutrition risk screening identifies subjects at risk, the
nutritional assessment will provide the basis for the diagnosis of
malnutrition according to the nutrition diagnostic procedure out-
lined in Section 3.3.1. This part of the assessment procedure is often
neglected, mainly due to the absence of a global consensus for
diagnostic criteria and their cut-offs [7e9]. [Strong Consensus, 97%
agreement]
3.3.4. Nutritional care plan
The nutritional care plan is a scheme for nutrition therapy based
on the results of the assessment. This plan should be developed by a
multi/interdisciplinary team together with the patient and his/her
carer in order to achieve patient centered treatment goals. A
comprehensive nutritional care plan defines the rationale, explains
the nutrition therapy and provides suggestions for monitoring the
efficacy of the plan and reassessment.
The nutritional care plan includes information on:
Energy, nutrient and fluid requirements
Measureable nutrition goals (immediate and long-term)
Instructions for implementing the specified form of nutrition
therapy
The most appropriate route of administration and method of
nutrition access
Anticipated duration of therapy
Monitoring and assessment parameters
Discharge planning and training at home (if appropriate)
[Strong Consensus, 100% agreement]
3.3.5. Nutritional care
Nutritional care is an overarching term to describe the form of
nutrition, nutrient delivery and the system of education that is
required for meal service or to treat any nutrition-related condition
in both preventive nutrition and clinical nutrition. [Strong
Consensus, 100% agreement]
3.3.5.1. Nutrition therapy. Nutrition therapy describes how nutri-
ents are provided to treat any nutritional-related condition.
Nutrition or nutrients can be provided orally (regular diet, thera-
peutic diet, e.g. fortified food, oral nutritional supplements), via
enteral tube-feeding or as parenteral nutrition to prevent or treat
malnutrition in an individualized way. [Strong Consensus, 97%
agreement]
3.3.6. Monitoring
Monitoring of nutrition therapy is a measure to check and adjust
that nutrition delivery is in progress and nutrition intake or pro-
vision is sufficient, as well as to assure tolerance and that goals and
expected outcomes are achieved. The monitoring procedures
require an individual plan where nutrition goals are defined.
[Strong Consensus, 97% agreement]
Fact Box: Monitoring plan of nutritional care and therapy.
- Nutrition provision and intake: Are calculated requirements of
fluid, energy and protein met?
- Weight, anthropometry, body composition: Does e.g. weight, fat
free mass (FFM) or fat mass (FM) change as expected?
- Biochemistry: There are no good biochemical markers of the
nutritional status. Plasma albumin and transthyretin/pre-
albumin concentrations may be used mainly to indicate and
monitor catabolic activity. Their validity as nutrition indicators
is low in view of their perturbation by inflammation.
- Function: e.g. hand grip strength (HGS), chair rise tests and gait
speed, either alone or combined in the Short Physical Perfor-
mance Battery (SPPB) [35] could be used.
Table 5
The nutrition care process.
Malnutrition risk screening
Nutritional assessment
Diagnostic procedure
Nutritional care plan
Nutritional care
➢Nutrition therapy
Monitoring and evaluating the effects of nutritional care and therapy
Documentation
[Strong Consensus, 97% agreement]
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e6456
- Quality of life (QoL): e.g. EQ-5D or HRQOL, or other tools rele-
vant to the diagnosis, could be used.
It should be emphasized that current biochemistry, functional
and QoL measurements may not be sensitive enough to capture
relevant changes of the nutritional status. [Strong Consensus, 97%
agreement]
3.3.6.1. Nutrition intake. In the hospital setting, recording of
nutrition intake can be performed at the bedside by nurses or as-
sistant nurses, using plate diagram sheets that have proven clini-
cally useful [53,54], or using self-recorded diary by patients
themselves [55]. Amount of food consumption could be estimated
by food records during 2e4 days [56,57]. Food weight record, i.e. to
weigh each food item before and after food consumption, is difficult
to implement in clinical practice, but is often used in research.
Modern digital technologies may provide new means to establish
food intake [58]. [Strong Consensus, 100% agreement]
3.3.6.2. Weight and body composition. Monitoring of weight during
hospitalization may not be sensitive due to disease or therapy
related shifts in fluid balance. Nevertheless, weight should be
recorded one to three times per week whilst a patient is in hospital
with a decreasing frequency when in a stable condition. If the pa-
tient is undergoing ambulatory treatment the type of underlying
condition will indicate the interval of weight measurement
required. Regular weight measurements are not useful for patients
in late palliative phases, or in any subject at end of life.
FFM and FM are estimated by bio-impedance analysis (BIA) or
DXA-scan, but subject to the same limitations as weight
measurements. Standard anthropometric measurements, such as
mid-arm-circumference, calf-circumference or skinfold thickness
are potential alternatives although subject to measurement
variability [59]. [Strong Consensus, 93% agreement]
BIA is a quick non-invasive method to estimate body composi-
tion, but requires stringent standard procedures such as a fast for at
least 2 h and urination before the test is carried out [60,61]. Single
frequency-BIA (SF-BIA) is commonly used to estimate total body
water (TBW) and fat free mass (FFM) with a validated formula.
Multi frequency-BIA (MFBIA) and bioelectrical impedance spec-
troscopy (BIS) calculate intracellular water (ICW), extracellular
water (ECW), TBW and FFM. BIS offers information of ICW and ECW
distribution. From these FFM is predicted. BIA-derived phase angle
has a strong prognostic value [62]. [Strong Consensus, 97%
agreement]
DXA is regarded as a more accurate method on an individual
level. It is an accepted reference method to evaluate BIS. DXA gives
information on FM, lean soft tissue (LST) and bone mineral content
(BMC). The radiation dose of a single DEXA measurement is
dependent on the device and the age of the patient, but is low and
therefore the expected lifetime risk of fatal cancer is negligible.
However, DEXA is not recommended for pregnant women. [Strong
Consensus, 100% agreement]
Computerized tomography (CT) imaging is being increasingly
used to evaluate muscle mass depletion [63]. CT scanning is often
performed in patients with malignant disorders, thus providing
images that could be used for the evaluation of muscle mass. The
fact that reference values are scarce for this technique will reduce
its validity until such data are available. [Strong Consensus, 97%
agreement]
3.3.6.3. Biochemical indices. Biochemical markers, e.g. serum con-
centrations of visceral proteins, should not be used as indicators of
a patient's nutritional status. Monitoring visceral protein levels
during refeeding in DRM with inflammation may be helpful,
keeping in mind that variations are reflecting the degree of catab-
olism/inflammation rather than nutritional recovery [64]. Under
some circumstances, and taking into account each protein's half-
life, levels of albumin (T½21 days) and transthyretin/prealbumin
(T½3 days) may be monitored for long-and short-term effects [65].
Especially in severely malnourished subjects where inflammation
is not present, visceral protein levels may improve with nutritional
resuscitation [64]. C-reactive protein serum concentrations are
suggested for monitoring inflammatory activity (see also Section
3.2.1.1.1). [Strong Consensus, 100% agreement]
3.3.6.4. Physical function. Measurement of physical function is
crude, but nevertheless a relevant way to monitor nutritional care
and therapy. Hand grip strength by a hand held dynamometer, gait
speed or chair rise tests are fairly easy to undertake for the mea-
surement of changes in muscle function sensitive to nutrition in-
terventions [66e68]. Composite functional scores, like the Short
Physical Performance Battery (SPPB) [35], De Morton Mobility In-
dex [69] or the Barthel Index [70] may also be relevant functional
measures. [Strong Consensus, 100% agreement]
3.3.6.5. Quality of life. Health related quality of life assessed by a
validated tool; e.g. EQ-5D [71] may be used as a crude non-specific
measure of changes in nutritional status, and as an indicator of
reduced food intake [72]. [Strong Consensus, 97% agreement]
3.3.7. Documentation
Nutritional care given has to be communicated at discharge
from a healthcare facility to the next caregiver in order to secure
continuation of the nutritional care and support. Documentation in
medical, dietetic and care records should be provided for
nutritional risk screening, diagnosis, assessment of risk factors,
nutritional requirements, nutrition therapy, goals and outcomes for
nutrition therapy, including estimated time to reach goals, as well a
note of who is responsible for the follow-up [73]. The documen-
tation should also provide information on need for help for servings
and eating, need for oral care and which are the preferred meals
[74] [Strong Consensus, 100% agreement]
3.4. Organization of nutritional care at hospitals and care facilities
Nutritional care in some form is provided to all patients within a
hospital or care facility. Depending on the type and severity of the
nutritional problems of the patients, the structure and organization
of the nutritional care needs to be adapted (Table 6).
3.4.1. Care catering (hospital catering)
Care catering or hospital catering is the provision of menu ser-
vices (in-house or outsourced) in health care facilities. The mini-
mum requirements of hospital and care catering are to serve a
variety of foods that are suitable and adapted to all types of patients
with a variety of energy and nutrient densities. Special diets, food
texture, allergies and specific cultural aspects have to be considered
at all times. For patients with, or at risk, for malnutrition, informed
choices with respect to food items and portion sizes have to be
ensured. Twenty-four-hour access to nutritionally relevant and
well-prepared food should be mandatory, and served portions
must appear appetizing for the individual. Energy dense small size
portions should be available as an option for patients at nutritional
risk. [Strong Consensus, 97% agreement]
3.4.2. Nutrition steering committee (NSC)
A NSC is a committee at a hospital or care facility of a mixed
interdisciplinary composition including directors, managers, health
professionals and catering staff.
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e64 57
The main objective of a NSC is to set standards for the structure,
procedures and management of clinical nutrition at the relevant
institutions. Depending on the legal status of the NSC (mainly
decided by the care facility management) it may also be responsible
for the audit of the nutritional care and responding to nutritional
incidents. [Strong Consensus, 97% agreement]
3.4.3. Nutrition support team (NST)
A NST is a multi-disciplinary team of physicians, dietitians,
nurses and pharmacists. Other relevant professionals may also be
part of the NST, e.g. physiotherapist and speech therapists.
The main objective of the NST is to support hospital staff in the
provision of nutrition therapy, especially enteral or parenteral
nutrition, to ensure that the nutritional needs of patients are
satisfied, especially for those patients with complicated nutritional
problems. Moreover, the objective includes ensuring that all
nutrition therapy utilises state-of-the-art knowledge and tech-
niques to prevent and treat disease-related malnutrition of both
inpatients and out-patients [75]. [Strong Consensus, 97%
agreement]
3.4.4. Obesity and other disease-specific support teams
In addition to Nutrition Support Teams (NSTs) that usually
works across all hospital departments, disease or condition
focussed teams linked to specific care facilities could also be
available. For example, an Obesity team is a multidisciplinary team
of specialists consisting of physicians, dietitians, nurses, physio-
therapists, behavioural therapist (psychologist/psychiatrist) as well
as other relevant professionals. The Obesity team provides
personalized, patient-centred and comprehensive weight man-
agement/lifestyle programmes which take into account the
comorbidities of the obese patients. The Obesity team should also
assist “bariatric surgery”services for pre- and post-operative care.
Similar team approaches are relevant for example for diabetes,
chronic obstructive pulmonary disease, cancer and palliative care.
[Strong Consensus, 100% agreement]
3.4.5. Clinical nutrition care unit
In many hospitals across different countries, dietitians represent
a core of nutrition professionals at the hospital, with the specific
objective to serve and support the staff as well as individual pa-
tients according to nutritional issues. Hospital dietitians could be
organized in independent administrative units, or be formally in-
tegrated parts of the multi-disciplinary team at department level.
[Strong Consensus, 93% agreement]
3.4.6. Clinical nutrition support unit
Based on hospital's organization, patients that require nutrition
therapy or receive home artificial/medical nutrition who develop
complications such as central line infection can be hospitalized in
specific clinical nutrition support wards managed by a multidisci-
plinary team of specialized physicians, nurses, dietitians and
pharmacists. [Strong Consensus, 93% agreement]
3.5. Forms of nutritional care
Nutrition care and therapy can be provided in many ways
(Table 7).
3.5.1. Meal environment
3.5.1.1. Meal support. Meal support is specific efforts to promote
food intake, which encompasses friendly social interactions with
the caring staff as well as with other patients or residents during
mealtimes. Suitable meal-time ambiance contributes to a relaxed
and comfortable environment. The atmosphere or the perception of
the entirety of the meal is the product of both material and
immaterial factors. Protected mealtimes, i.e. not allowing medical
or caring procedures to take place during the meal, is a further meal
support action to promote oral intake [76,77]. Patients' choice from
a la carte menus and meals-on-demand are increasingly offered
[78]. [Strong Consensus, 100% agreement]
3.5.1.2. Eating support. Eating support encompasses actions to
enable an individual to eat through verbal encouragement and
physical support. Eating support prioritizes a number of factors
such as positioning at the table, provision of assistive eating tools,
assistance with cutting the food in smaller pieces, and helping
patients to make informed food choices [76,79]. [Strong Consensus,
100% agreement]
3.5.2. Diets
Dietary advice and counselling about food choices and prepa-
rations may be relevant for patients, relatives and informal care-
givers concerning all below described types of diets.
3.5.2.1. Regular hospital diet. Regular hospital diet should cover
individual patient's nutrient and energy requirements according to
recommendations based on scientific evidence. Diet composition
takes local food habits and food patterns into account as long as
there are no specific therapeutic requirements, in which cases a
therapeutic diet or functional food is required (see below). [Strong
Consensus, 97% agreement]
3.5.2.1.1. Food product. A food product is any food that is suit-
able for human consumption which provides energy-containing
macronutrients (e.g. carbohydrates, protein, fats), and/or micro-
nutrients (e.g. vitamins, minerals), and/or other substances which
may contribute to fulfil the nutritional requirements of the patient.
[Strong Consensus, 100% agreement]
3.5.2.2. Therapeutic diet. Therapeutic diets are prescribed accord-
ing to the specific need of the patient.
3.5.2.2.1. Food modification. Some conditions or disorders, e.g.
diabetes mellitus, hyperlipidaemia, hepatic encephalopathy, renal
or celiac disease may require food modifications that could include
adjustments of carbohydrate, fat, protein and micronutrient intake,
or the avoidance of specific allergens. [Strong Consensus, 97%
agreement]
3.5.2.2.2. Fortified food. Fortified food is food products to which
vitamins, minerals, energy or other nutrients, or a combination of
them, have been added to increase energy or nutrient density.
[Strong Consensus, 97% agreement]
3.5.2.2.3. Food supplements. Food supplements are food prod-
ucts that supplement normal diet and which are concentrated
sources of nutrients (e.g. vitamins or minerals) or other substances
with a nutritional or physiological effect, alone or in combination,
marketed in various dose forms: capsules, tablets and similar
forms, sachets of powder, ampoules of liquids, drop dispensing
bottles, and other similar forms oral dosage forms, liquids and
powders designed to be taken in measured small unit quantities
Table 6
Organizational forms of providing nutritional care and support.
Care catering/Hospital catering
Nutrition Steering Committee
Nutrition Support Team
Disease-specific Support Teams
Clinical Nutrition Care Unit
Clinical Nutrition Support Unit
[Strong Consensus, 97% agreement]
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e6458
(https://www.efsa.europa.eu/en/topics/topic/supplements).
[Strong Consensus, 100% agreement]
3.5.2.2.4. Functional food. Functional food is food fortified with
additional ingredients or with nutrients or components intended to
yield specific beneficial health effects. [Strong Consensus, 100%
agreement]
3.5.2.2.5. Texture modified food and thickened fluids.
Texture modified food and thickened fluids can be available in
several various qualities. Although there are no harmonised de-
scriptors they could be described as follows [80]:
- Liquidized/thin pur
ee; Homogenous consistency that does not
hold its shape after serving.
- Thick pur
ee/soft and smooth; Thickened, homogenous consis-
tency that holds its shape after serving and does not separate
into liquid and solid component during swallowing, i.e.,
cohesive.
- Finely minced; Soft diet of cohesive, consistent textures
requiring some chewing (particle size most often described as
0.5 0.5 cm).
- Modified normal; Normal foods of varied textures that require
chewing, avoiding particulate foods that pose a choking hazard
(particle size most often described as 1.5 1.5 cm). [Strong
Consensus, 97% agreement]
3.5.3. Medical nutrition therapy
Medical nutrition therapy is a term that encompasses oral
nutritional supplements, enteral tube feeding (enteral nutrition)
and parenteral nutrition. The two latter has traditionally been
called artificial nutrition, but this term is suggested to be replaced
by medical nutrition therapy.
Nutrition products that are delivered via the gastrointestinal
tract, i.e. provided orally or as tube feeding, are defined in the EU
legislation as “foods for special medical purposes”(FSMPs)
(Directive on foodstuffs intended for PARticular NUTritional useS
2009/39/EC 2013/609/EC (PARNUTS) [81,82]. FSMPs are defined as
“specially processed or formulated and intended for the dietary
management of patients, including infants, to be used under
medical supervision; it is intended for the exclusive or partial
feeding of patients with a limited, impaired or disturbed capacity to
take, digest, absorb, metabolise or excrete ordinary food or certain
nutrients contained therein, or metabolites, or with other
medically-determined nutrient requirements, whose dietary
management cannot be achieved by modification of the normal
diet alone”- Regulation (EU) no 609/2013 of the European parlia-
ment and of the council. The PARNUTS directive will be replaced by
the FSG regulation 2013 (Regulation on Food for Specific Groups),
supplemented by delegated regulation (EU) 2016/128 on FSMP.
[Strong Consensus, 100% agreement]
3.5.3.1. Oral nutrition therapy. Oral nutrition therapy is mainly
given as oral nutritional supplements (ONS) and defined as FSMP
(see above). ONS are developed to provide energy and nutrient-
dense solutions that are provided as ready to drink liquids,
cr
emes or powder supplements that can be prepared as drinks or
added to drinks and foods. Liquid ONS (either ready to drink or
made up from powders) are sometimes referred to as sip feeds.
Clinical effects and cost-effectiveness are well established [83e85].
[Strong Consensus, 97% agreement]
3.5.3.2. Enteral tube feeding. Synonym: enteral nutrition.
Enteral tube feeding is nutrition therapy given via a tube or stoma
into the intestinal tract distal to the oral cavity. Enteral formulas are
defined as FSMP (see above). The tube could be inserted via the
nose; i.e. naso-gastric, naso-jejunal or naso-post pyloric tube
feeding; or via a stoma that is inserted endoscopically into the
stomach; i.e. percutaneous endoscopic gastrostomy (PEG) or with a
jejunal extension (PEG-J) or into the jejunum (percutaneous
endoscopic jejunostomy (PEJ)). Finally, the tube may also be placed
surgically; i.e. surgical gastrostomy or jejunostomy. [Strong
Consensus, 97% agreement]
3.5.3.2.1. Total enteral tube feeding. Synonym: total enteral
nutrition (TEN). Total enteral tube feeding (TEN) refers to condi-
tions when all nutrient needs are provided through a feeding tube
without significant oral or parenteral intake. [Strong Consensus,
97% agreement]
3.5.3.2.2. Supplemental enteral tube feeding. Supplemental
enteral tube feeding is nutrition given to patients whose oral intake
of food and fluids is inadequate for reaching their defined
target alone. [Strong Consensus, 97% agreement]
3.5.3.2.3. Home enteral tube feeding. Synonym: Home Enteral
Nutrition (HEN). When enteral tube feeing is used outside the
hospital it is called Home Enteral Nutrition (HEN) or as in some
countries Home Enteral Tube Feeding (HETF). It can be provided
either as total or supplemental enteral nutrition. [Strong
Consensus, 100% agreement]
3.5.3.3. Parenteral nutrition (PN) therapy. Parenteral nutrition is a
type of nutrition therapy provided through intravenous adminis-
tration of nutrients such as amino acids, glucose, lipids, electrolytes,
vitamins and trace elements. PN can be central through a central
venous line, or peripheral through a peripheral intravenous line.
[Strong Consensus, 97% agreement]
3.5.3.3.1. Total parenteral nutrition (TPN). Synonym: exclusive
parenteral nutrition. Total parenteral nutrition (exclusive paren-
teral nutrition) therapy refers to situations where the patient's
complete nutritional needs (all macro and micro-nutrients) are
covered by the PN, and in which nutrition is not given by any route
other than intravenously. [Strong Consensus, 100% agreement]
3.5.3.3.2. Supplemental parenteral nutrition (SPN). Synonym:
partial parenteral nutrition or complementary parenteral nutrition.
Supplemental (partial or complementary) parenteral nutrition
Table 7
Overview of forms and products for nutritional care and therapy.
Meal environment
➢Meal support
➢Eating support
Diets
➢Regular hospital diet
▪Food product
➢Therapeutic diet
▪Food modification
▪Fortified food
▪Food supplements
▪Functional food
▪Texture modified food and fluid
Medical nutrition therapy
➢Oral nutritional supplements (ONS)
▪Nutritionally complete ONS
▪Nutritionally incomplete ONS
➢Enteral tube feeding/enteral nutrition
▪Total
▪Supplemental
▪Home
➢Parenteral nutrition
▪Total
▪Supplemental
▪Home
▪Subcutaneous fluid therapy
▪Intra-dialytic
Palliative nutrition
[Strong Consensus, 96% agreement]
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e64 59
refers to situations where nutrition is provided in addition to
parenteral nutrition by any route other than intravenously. For
example, this situation may arise when the oral or enteral tube
routes cannot independently achieve the defined nutritional care
plan target (See Section 3.3.4). [Strong Consensus, 100% agreement]
3.5.3.3.3. Home Parenteral Nutrition. When parenteral nutrition
is used outside the hospital it is called Home Parenteral Nutrition
(HPN). HPN used as TPN or SPN is often used for patients with
chronic intestinal failure, malignant obstruction or partial
obstruction of the gastrointestinal tract [86]. [Strong Consensus,
100% agreement]
3.5.3.3.4. Subcutaneous fluid therapy. The subcutaneous route is
a special parenteral route primarily used to provide fluids (hypo-
dermoclysis). It can also be used to provide limited amounts of
glucose and amino acids, when the intravenous route is unavailable
or unsuitable. It is mainly used in late life care. [Consensus, 87%
agreement]
3.5.3.3.5. Intra-dialytic parenteral nutrition (IDPN). IDPN is PN
given intravenously through the venous line of the dialysis circuit,
and thus given cyclic during the dialysis session [87]. IDPN is not a
routine technique for supplemental nutrition therapy, but may be
indicated to prevent nutritional deterioration in patients receiving
dialysis treatment when other methods of nutrition therapy have
proved insufficient to meet nutritional and metabolic needs [88].
[Strong Consensus, 97% agreement]
3.5.4. Palliative nutrition
Palliative nutrition is the form of nutritional care and therapy
that is provided to patients in late phases of end-stage disease. The
major goal is to improve quality of life [89]. Food or nutrient re-
strictions are avoided. The nutrition measures are decided by the
palliative phase. In the early phase energy, proteins and nutrients
are provided by the best feasible route. In late phase of palliative
care psycho-social support around meals and food intake for both
the patient and relatives is prioritized. Parenteral nutrition could be
considered to reduce stress around the meal situation. Monitoring
of the nutritional status, e.g. recording weight changes, should be
avoided to not add more stress during the final phase of life. [Strong
Consensus, 94% agreement]
3.6. Nutritional products for medical nutrition therapy
3.6.1. Oral nutritional supplements (ONS)
There are two major types of ONS; those that are nutritionally
complete and those that are nutritionally incomplete.
3.6.1.1. Nutritionally complete ONS. These are standard ONS that
can be used as the sole source of nourishment for prolonged pe-
riods since they have a balanced nutritional composition of macro-
and micronutrients, including essential amino acids, essential fatty
acids and micronutrients that reflect dietary recommendations for
healthy people. They are commonly used as a supplement to the
general diet, when the regular food intake is insufficient. Nutri-
tionally complete standard ONS can in some cases represent the
only source of intake of energy and nutrients. [Strong Consensus,
100% agreement]
3.6.1.2. Nutritionally incomplete ONS. These are not suitable for use
as the sole source of nutrients since they are adapted to contain
some specific nutrients in higher amounts, whereas the content of
other nutrients is lacking or insufficient.
Disease-specific ONS are modified in order to meet specific
nutritional and metabolic demands for certain diseases for example
diabetes, pressure ulcers, cirrhosis, cancer, renal failure and
pulmonary disease, and can be complete or incomplete. [Strong
Consensus, 94% agreement]
3.6.2. Enteral formulas
Standard enteral formulas have a composition that meets the
nutritional needs of the general population. In general, energy,
protein and micronutrient needs are covered by 1.5 L of standard
enteral formula. They can have a standard nutrient profile or can be
nutrient adapted for certain conditions or diseases. Most standard
enteral formulas (and their high energy and high protein variants)
contain fibre and are free of lactose and gluten. Whole protein
formulas contain intact proteins, and typically contain lipids that
are mostly provided in the form of long chain triglycerides, and
carbohydrates that come predominantly as polysaccharides, e.g.
maltodextrin. Enteral formulas are mostly nutritionally complete.
Formulas containing peptides and medium chain triglycerides
can facilitate absorption in case of e.g. malabsorption or short
bowel syndrome.
Disease specific enteral formulas are designed to meet specific
nutritional and metabolic demands, for example for patients with
diabetes, pressure ulcers, cirrhosis, cancer, renal failure and pul-
monary disease. [Strong Consensus, 94% agreement]
3.6.3. Parenteral solutions
Parenteral solutions are composed of carbohydrates (glucose),
lipids and amino acids and can include electrolytes, vitamins and
trace elements as required. They are defined by the relative
composition of the macronutrients, osmolarity, pH and calorie
content. These solutions can be administered using separate bottles
but are preferably administered using compounding or ready to
mix bags. [Strong Consensus, 94% agreement]
3.6.3.1. Parenteral nutrition. Parenteral nutrition infusates for
parenteral administration are intended to provide energy and nu-
trients, rather than hydration alone. They are usually given intra-
venously. PN infusates can aim to provide a single group of
nutrients (e.g. the use of lipid emulsion alone) or a combination of
nutrients that is more typically thought of as a PN infusate (e.g. a
combination of amino acids, glucose, lipid emulsion, electrolytes
and vitamins and trace elements in Water for Injection). [Strong
Consensus, 93% agreement]
3.6.3.1.1. Three chamber bag/all-in-one PN. A three chamber bag
(usually industry manufactured) or all-in-one (mainly pharmacy
provided) PN infusate is an emulsion in which amino acids, glucose
and lipid emulsion are combined in a single infusate, along with
electrolytes, vitamins and trace elements as required.
Three-chamber bags contain all macronutrients and electrolytes
in three separate compartments. The substrates are mixed together
immediately prior to intravenous application by breaking the
separation seals between the bag chambers. Three chamber bags
are available with or without basic electrolytes. Vitamins and trace
elements are injected into the bag prior to administration. This can
be a relatively safe system for PN administration, e.g. the risk of
infection is lowered by the closed system and by reduced
manipulation.
Individually compounded all-in-one (AIO) admixtures allow for
the provision of patient-specific ready-to-use PN infusates, adapted
according to energy, volume and substrate needs. These are asep-
tically manufactured from various components, usually in hospital
pharmacies, and are designed for immediate intravenous admin-
istration, with no mixing or admixing required prior to adminis-
tration. These bags are usually compounded daily or weekly due to
their often limited stability. They require appropriate storage under
refrigeration at 2e8
C prior to use, but should be gently warmed to
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e6460
room temperature before administration. [Strong Consensus, 100%
agreement]
3.6.3.1.2. Two chamber bag/two-in-one (lipid-free) PN. Atwo
chamber bag (usually industry manufactured) or two-in-one
(mainly pharmacy provided) PN infusate is a solution in which
amino acids and glucose (no lipid emulsion) are combined in a
single infusate, along with electrolytes, vitamins and trace ele-
ments as required. Two-in-one PN infusates may be required if a
formulation is pharmaceutically unstable when lipid emulsion is
included, or when the aim is not to provide lipids. [Strong
Consensus, 100% agreement]
3.6.3.2. Parenteral nutrition components. A parenteral nutrition
component is intended to be combined with other PN components
to formulate the requirements of a prescription for PN. Individual
products must be intended for parenteral use and must be com-
bined in a suitable environment and under aseptic techniques that
ensures sterility of the final product. In some cases, PN components
are administered independently, except for Water for Injection (see
E3.2.4). [Strong Consensus, 97% agreement]
3.6.3.2.1. Amino acid solution. Commercial crystalline amino
acid solutions contain a mixture of different concentrations and
profile of crystalline amino acids, and are available with or without
the inclusion of electrolytes. [Strong Consensus, 97% agreement]
3.6.3.2.2. Glucose (dextrose) solution. Commercial glucose so-
lutions contain glucose in Water for Injection at different concen-
trations, typically from 5% w/v up to 70% w/v. A concentration of
12.5% w/v is considered to be a limit to avoid complications from
peripheral administration, although that is also patient dependent.
[Strong Consensus, 97% agreement]
3.6.3.2.3. Lipid emulsion. Commercial lipid emulsions are a
lipid-in-water emulsion that contains a mixture of triglycerides
with different fatty acid chains. For some products, they are avail-
able in more than one concentration i.e. 10% w/v, 20% w/v and/or
30% w/v. The products contain the essential fatty acids, i.e. linolenic
and linoleic acids, mainly derived from soy bean oil. There are
several oils used in the production of lipid emulsions for intrave-
nous administration. Other lipid sources include olive oil or fish oil.
Soy bean, olive and fish oil provide long chain fatty acids (LCT),
whereas coconut oil provides medium chain triglycerides (MCT).
LCTs from soy bean, olive and fish oil have different metabolic
characteristics.
[Strong Consensus, 100% agreement]
3.6.3.2.4. Water for Injection. Water for Injection contains no
components other than sterile water suitable for parenteral
administration. It should never be administered alone due to its
low osmolarity. [Strong Consensus, 97% agreement]
3.6.3.2.5. Electrolyte solution. An electrolyte solution consists of
an electrolyte salt in Water for Injection. Many are available in
different volumes, concentrations, different units of concentration,
types of container (e.g. glass or plastic), or with the intended
electrolyte available as different salts. These differences lead to a
number of considerations such as potential container contami-
nants, ordering and storage requirements (e.g. in some cases with
high strength potassium solutions), conversion between different
units, and differences in stability assessment when electrolyte so-
lutions are combined with other components (e.g. the use of inor-
ganic compared to organic salts).
For parenteral nutrition a standard dosage of vitamins and trace
elements is generally recommended because individual re-
quirements cannot be easily determined. Preferably, all vitamins
and trace elements supplied with a normal diet should also be
substituted with PN as available. The quantities of daily parenteral
vitamin and trace element supplied are based on current dietary
reference intakes for oral feeding. [Strong Consensus, 93%
agreement]
3.6.3.2.6. Vitamin and trace element parenteral nutrition com-
ponents. A vitamin parenteral nutrition component consists of a
combination of water soluble vitamins, lipid soluble vitamins or
water and lipid soluble vitamins that is intended for parenteral
administration, and which may require reconstitution prior to use.
Trace element components are products that consist of individual,
or a combination of, trace elements, intended for parenteral
administration. Trace element parenteral nutrition components are
usually presented as a solution for injection. The omission of vita-
mins and trace elements from all-in-one or two-in-one PN infu-
sates should be avoided (if not necessary) because ensuing
deficiencies will lead to complications. [Strong Consensus, 100%
agreement]
4. Discussion
This definition and terminology consensus statement presents
an up-dated overview of terminology of core nutritional concepts,
procedures and products. The purpose was to identify relevant
nutrition terminology used in routine nutritional practice and
research, to describe that terminology and when feasible to give
diagnostic or descriptive criteria. Another objective was to identify
gaps in the nutritional terminology and to provide consensus based
and when possible evidence based definitions and diagnostic
criteria.
The statement has particular importance with relation to the
terminology for the diagnosis of malnutrition/undernutrition and
its aetiology-based subgroups. The distinction between the two
groups of DRM, i.e. DRM with and without inflammation is
particularly emphasized, as well as the acknowledgement of the
third major diagnosis group of “malnutrition/undernutrition
without disease”. In 2012 ASPEN and the Academy of Nutrition and
Dietetics launched a Consensus Statement [8] for the “identification
and documentation of adult malnutrition (undernutrition)”. In this
“white paper”the need to identify the presence of inflammation (or
not) early in the diagnostic procedure of malnutrition in order to
determine the aetiology of the malnutrition was emphasized. This
current ESPEN statement could be seen as a development and
amendment of this concept and the previous ASPEN/Academy
statement.
The process to unify clinical nutrition terminology is a long term
goal, as well as a sensitive issue due to the fact that agreement
among stakeholders can be difficult to reach [90]. Recently, ESPEN
launched diagnostic criteria for the general concept of malnutri-
tion/undernutrition [7]. A similar measure to define diagnostic
criteria for malnutrition was made by ASPEN and the Academy in
the “white paper”mentioned above [8]. The ESPEN Terminology
Consensus Group recognises that the continuous ongoing discus-
sion between global stakeholders, and the expansion of under-
standing and knowledge, will provide the basis for a global
consensus on how to diagnose malnutrition and which diagnostic
criteria to use. Such a process will include the participation of all
major nutrition societies across the world.
It should be emphasized that the definition of diagnostic criteria
will not by any mean change or question the now well established
practice of nutritional risk screening of all individuals that get in
contact with health or elderly care. The risk screening procedure is
the first mandatory step in any diagnostic process to identify
malnutrition. Huge efforts are still needed to implement validated
risk screening tools into clinical practice in most parts of the world.
Already a poor nutritional risk status is associated with negative
clinical outcomes. This implies that malnutrition is a process which
T. Cederholm et al. / Clinical Nutrition 36 (2017) 49e64 61
follows a trajectory where early and late stages of the condition
could be identified.
Malnutrition impose increased financial burden to health or-
ganisations. Though nutrition risk screening, treatment and
monitoring requires financial resources they are offset by for
example reduction in length of stay in hospital [84,85].
Another approach to define terminology of clinical nutrition is
represented by the on-going process of the Academy of Nutrition
and Dietetics that since 2008 has developed a standardized model
called the Nutrition Care Process (NCP) to guide dietitians in the
provision of nutritional care [91]. It comprises four distinct steps:
assessment, nutrition diagnosis, intervention, and monitoring and
evaluation. The NCP and its terminology have been implemented in
several countries worldwide and are supported by the European
Federation of the Associations of Dietitians (EFAD). The terminol-
ogy presented in this paper aligns to, but is not identical with, the
Nutrition Care Process Terminology (NCPT). Furthermore, the NCPT
includes additional terms that uniquely describe the nutritional
care provided by dietitians. This could be compared to the use of
classification systems such as ICD and International Classification of
Functions (ICF) by other health care professions. The NCPT is
accessible on line (eNCPT) (http://ncpt.webauthor.com.).
Finally, this terminology basis statement aims to support up-
dates of the worldwide-used ICD system, as well as other relevant
classification systems. For the ICD system this means the current
ICD-10 or the ICD-11 update that is expected to be launched by
WHO in 2018.
In summary, the Definition and Terminology Consensus state-
ment reflects a current perception on how nutrition concepts and
procedures could be described and defined. The alignment to par-
allel important international initiatives, openness to up-coming
new knowledge and identification of gaps in the present state-
ment will facilitate a constructive continuous process of develop-
ment in order to find the most feasible nutritional terminology to
support the efforts of the nutrition communities to provide patients
faced with catabolic disorders the best possible nutritional treat-
ment. For the benefit of the global nutrition community, an
agreement and a consensus statement between the leading inter-
national nutrition societies has a high priority and could be ach-
ieved by constructive discussions.
Conflicts of interest
Cederholm T ereceives unconditional grants for intervention
research from Nestec Ltd and Nutricia. TC gives lectures that are
organized by Nestec Ltd, Nutricia, Fresenius Kabi and other
companies.
Barazzoni R edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Austin P edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Ballmer P edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Biolo G edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Bischoff SC edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Compher C edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Correia I edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Higaschiguchi T edeclares no conflict of interest which might
have interfered with the scientific validity of the present paper.
Holst M edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Jensen G edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Malone A edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Muscaritoli M edeclares no conflict of interest which might
have interfered with the scientific validity of the present paper.
Nyulasi I edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Pirlich M egives lectures that are organized by Nutricia, Fre-
senius Kabi, and BBraun.
Rothenberg E egives lectures and receives fees at meetings
organized by Nutricia.
Schindler K ehas no conflict of interest to declare in association
with this manuscript.
Schneider SM egives lectures that are organized by B. Braun,
Baxter, Fresenius-Kabi, Nestl
e Health Sciences, Nutricia, Shire and
other companies, and consults for Nutricia. No COI in association
with this manuscript.
Marian de van der Schueren egives lectures that are organized
by Nutricia, Baxter, Abbott, Fresenius-Kabi and other companies. No
COI in association with this manuscript.
Sieber C ereceives unconditional grants for intervention
research from Nestec Ltd and Nutricia. CS gives lectures that are
organized by Abbott, Danone, Nestec Ltd, Nutricia and other
companies.
Valentini L edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Yu JC edeclares no conflict of interest which might have
interfered with the scientific validity of the present paper.
Van Gossum A ereceives fees for consultancy for Fresenius-
Kabi, Belgium and Shire; and for lectures in meetings organized
by Baxter, Fresenius-Kabi, Nestle and Nutricia.
Singer P ereceives unconditional grants for research from
Abbott, Baxter, B Braun and Fresenius-Kabi and gives lectures that
are organized by Baxter, B Braun, Cosmed, Fresenius-Kabi, General
Electric and other companies.
Acknowledgement
Many colleagues in the nutrition community have reviewed the
manuscript at various levels of its evolution. The Consensus group
acknowledges contributions from Yitsal Berner, Ingvar Bosaeus,
Michael Chourdakis, Mick Deutz, Henrik Hojgaard Rasmussen,
Hinke Kruizenga, Ylva Orrevall, Matthias Plauth, Marjolein Visser,
which does not necessarily imply each agrees with all statements in
the final manuscript. Moreover, the thorough review and
constructive contributions from the Medical Nutrition Interna-
tional Industry is very much appreciated. This work was funded by
ESPEN, and has not received any external funding.
Finally, ESPEN is grateful to the German Society of Nutritional
Medicine (DGEM) working group and the authors behind the
DGEM report “Suggestions for terminology in clinical nutrition”
that was published in Clinical Nutrition journal. Our thoughts are
with the late professor Herbert Lochs, an outstanding researcher
and inspirer, who was the senior author of the DGEM report.
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