Umit Tural

Umit Tural
Nathan Kline Institute · Clinical Research

M.D.

About

97
Publications
33,364
Reads
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1,252
Citations
Additional affiliations
April 2018 - present
Nathan Kline Institute
Position
  • Researcher
September 2017 - April 2018
Nathan Kline Institute
Position
  • Professor
April 2012 - September 2017
Kocaeli University
Position
  • Head of Department

Publications

Publications (97)
Article
Background: Transcranial photobiomodulation (tPBM) is a novel, noninvasive, device-based intervention, which has been tested as a possible treatment for various neurological and psychiatric conditions. Recently, it has been investigated as an innovative treatment for major depressive disorder (MDD). There have been several animal and clinical studi...
Poster
Introduction Uncertainty remains about the psychological and sexual implications of gender role nonconformity (GRNC), generally defined as men endorsing or performing femininity, and women endorsing or performing masculinity. Previous studies have demonstrated that variance in gender presentation is associated with negative psychological consequenc...
Article
Full-text available
Adiponectin is a protein hormone that is produced and secreted primarily by adipose tissue. The levels of adiponectin in those with eating disorders, obesity, and healthy controls have been extensively studied. However, the general picture of the differences in adiponectin levels across the mentioned conditions is still unclear and fragmented. In t...
Article
Full-text available
Purpose The aim of this study is to evaluate the prevalence of anxiety disorders, its correlation with sociodemographic characteristics, its comorbidities with other psychiatric disorders and its predictors in school-aged children. Methods This study is part of a representative, multi-centered national study that is planned by the Turkish Associat...
Article
Objective: Adiponectin, which is secreted from adipose tissue, is a protein hormone. Although a large body of studies have found that circulating adiponectin levels increase in anorexia nervosa (AN) and caloric restriction, the effect of subtypes of AN and modifiers of adiponectin in AN are not yet known. Methods: A systematic search of electron...
Article
Violence in schizophrenia is best investigated within the broader context of violent behavior in the general population. Two important domains of general pathology which allow us to take such an approach include impairment in emotion processing, as manifested by faulty facial emotion recognition, and aggressive reactivity which consists of heighten...
Article
Full-text available
Schizophrenia is widely seen as a disorder of dysconnectivity. Neuroimaging studies have examined both structural and functional connectivity in the disorder, but these modalities have rarely been integrated directly. We scanned 29 patients with schizophrenia and 25 healthy control subjects, and we acquired resting state fMRI and diffusion tensor i...
Preprint
Full-text available
Schizophrenia is widely seen as a disorder of dysconnectivity. Neuroimaging studies have examined both structural and functional connectivity in the disorder, but these modalities have rarely been integrated directly. We scanned 29 patients with schizophrenia and 25 healthy control subjects and acquired resting state fMRI and diffusion tensor imagi...
Article
Background Previous studies have demonstrated elevated levels of the S100B protein (located in glial cells) in major depressive disorder (MDD) as compared to healthy controls. However, studies reporting correlation between S100B levels and depression severity have been conflicting. Methods We investigated, through systematic review and meta-analys...
Preprint
Full-text available
Schizophrenia is widely seen as a disorder of dysconnectivity. Neuroimaging studies have examined both structural and functional connectivity in the disorder, but these modalities have rarely been integrated directly. We scanned 29 patients with schizophrenia and 25 healthy control subjects and acquired resting state fMRI and diffusion tensor imagi...
Article
Background Sodium lactate (NaL) infusion and carbon dioxide (CO2) inhalation are proven to provoke acute panic attacks (PAs) in patients with panic disorder (PD). A systematic literature search and meta-analysis were performed to compare the effect sizes of these methods. Methods Odds ratios were calculated for each of the original studies and were...
Article
Objective This study aimed to determine the prevalence and comorbidities of attention-deficit hyperactivity disorder (ADHD) by evaluating a large-scale nation-wide sample of children. Method The inclusion criterion was being enrolled as a 2nd, 3rd, or 4th-grade student. A semi-structured diagnostic interview (K-SADS-PL), DSM-IV-Based Screening Sca...
Article
Objective: Treatment of violence in schizophrenia remains a challenging problem, especially in patients with conduct disorder. Previous clinical studies did not select patients on the basis of violence and did not focus on conduct disorder. This study is a head-to-head comparison of clozapine, olanzapine, and haloperidol in the treatment of violen...
Article
Background False suffocation alarm hypothesis has been widely used to explain carbon dioxide hypersensitivity in panic disorder (PD). However, hypersensitivity to carbon dioxide has been observed in other psychiatric disorders. We explored the specificity of carbon dioxide inhalation as a panic provocation test among psychiatric disorders via netwo...
Article
Introduction: Neuroglial functions may be deteriorated in major depressive disorder (MDD). Objective: To evaluate the markers of glial and neuronal cell turnover and to explore their associations with brain metabolites. Methods: In 10 participants with MDD and 10 healthy controls (HC) we investigated neuronal and glial plasma markers (the neur...
Article
Previous studies have suggested that neuropeptide Y (NPY) levels may be altered in patients with major depressive disorder (MDD), post-traumatic stress disorder (PTSD) and chronic stress. We investigated, through systematic review and meta-analysis, whether the mean levels of NPY are significantly different in patients with MDD, PTSD or chronic str...
Article
Objectives: The aim of this study was to evaluate the metabolic changes in the anterior cingulate cortex (ACC) induced by electroconvulsive therapy (ECT) in patients with MDD via ¹H-MRS. Methods: The study was conducted on 13 MDD patients receiving ECT treatment and 14 healthy controls matched in terms of age, gender and education. The patients und...
Article
Full-text available
Introduction: The aim of this study is to determine the prevalence of Internet addiction (IA) in adolescents with psychiatric disorders. Methods: A total of 310 adolescents, aged from 12 to 18, participated in the study. The psychiatric sample group included 162 participants who had applied to the child psychiatry outpatients service. The psychi...
Article
Objective: The objective of this study is to perform a systematic review and meta-analysis on whether patients with panic disorder (PD) and their healthy first-degree relatives have an increased sensitivity to carbon dioxide inhalation test compared to healthy controls (HC) or patients with psychiatric disorders other than panic disorder. Method:...
Article
ABSTRACT Aim: The aim of this study was to determine the prevalence of childhood psychopathologies in Turkey. Method: A nation-wide, randomly selected, representative population of 5830 children (6–13 yearsold) enrolled as a 2nd,3rd or 4th grade student in 30 cities were evaluated for presence of a psychiatric or mental disorder by a Sociodemograph...
Article
Background: Folate is important for the synthesis of serotonin the neurotransmitter which plays a main role in OCD. We, therefore, explored the efficacy of folic acid as add on treatment to fluoxetine in a double blind study among patients with OCD. Subjects and methods: A double blind, 12-week study comparing the efficacy of folic acid as add o...
Presentation
Full-text available
Hastalardan 4 (2 kadın, 2 erkek) kişi ekstrapiramidal sistem yan etkileri nedeniyle tedaviye devam edemedi. Üç (1 kadın, 2 erkek) kişi kontrol muayenelerine gelmedi. Onüç erkek hastanın 8'i, 15 kadın hastanın 13'ü geçmişte başka bir uzun etkili depo tedavisi kullanmıştı. Haloperidol Dekanoat tedavisi başlanan 4 hasta düzenli olarak diğer depo tedav...
Article
Objective: One of the METHODS used to assess autonomic nervous system dysfunction in the etiology of panic disorder (PD) is heart rate variability (HRV). HRV is controlled by the sympathetic and parasympathetic (vagal) branches of the autonomic nervous system and reflects the capacity of autonomic stimulation by the parasympathetic system. The aim...
Article
Background: Although most studies have suggested that mitral valve prolapse (MVP) is more prevalent in patients with panic disorder (PD) than in healthy controls, there is a substantial uncertainty in the rates of MVP across studies. Objective: To investigate, through systematic review and meta-analysis, the relative risk of MVP in patients with...
Article
Objective: The aim of this study is to determine the level of depression, self-esteem, body satisfaction and quality of life in obese women as well as the predictors of psychosocial functionality. Methods: The study group consisted of 110 obese women participating in a diet and exercise program held in Kocaeli University Faculty of Medicine. Beck D...
Article
Full-text available
Although numerous studies have investigated the neurotrophic factors and hippocampal activity in posttraumatic stress disorder (PTSD) separately each other, it is unclear whether an association between neurotrophic factors and hippocampal activity is present. The aim of this study was to evaluate the functional changes in hippocampus before and aft...
Data
Deidentified SPSS full dataset of the study. (SAV)
Article
Full-text available
Appearance-related concerns resulting from disfigurement or pressure to conform to beauty ideals, indiscriminately affect patients’ mental and physical health. Healthcare professionals face the challenge of addressing patients’ support needs. Therefore a European University Consortium developed a course to address learning needs. Prior to its desig...
Article
Aim: To determine the prevalence of affective disorders in Turkey among a representative sample of Turkish population. Methods: This study was conducted as a part of the “The Epidemiology of Childhood Psychopathology in Turkey” (EPICPAT-T) Study, which was designed by the Turkish Association of Child and Adolescent Mental Health. The inclusion cri...
Article
Full-text available
Background Social functioning is generally defined as having profound and qualitative interpersonal relations, and meeting the expectations and defined roles in society. Determining the level of the social functioning is important especially for people with schizophrenia that proceed with disabilities. Main dimensions of the social functioning are...
Article
Full-text available
Objectives: In this study, we aimed to compare patients with fibromyalgia syndrome (FMS) and those with myofascial pain syndrome (MPS) and healthy women and to investigate the prevalence of childhood traumatic experiences (CTEs) in relation to comorbid mood and anxiety disorders. Patients and methods: Between February 2014 and May 2014, a total...
Article
Full-text available
OBJECTIVE Studies investigating the recovery from schizophrenia revealed two concepts of recovery; one is clinical recovery, and the other is personal or subjective recovery. Both states of recovery require specific assessment tools and therapeutic approaches. While current measures of clinical recovery can be used upon consensus all over the world...
Conference Paper
Full-text available
AIM: The aim of this study was to determine the prevalence of childhood psychopathologies in Turkey. METHOD: A nation-wide, randomly selected, representative population of 5830 children (6-13 years-old) enrolled as a 2nd,3rd or 4th grade student in 30 cities were evaluated for presence of a psychiatric or mental disorder by a Sociodemographic Form...
Conference Paper
Full-text available
Choroidal fissure cysts (CFC) are often incidentally identified and generally regarded not to present with overt clinical signs. To the best of our knowledge, any case report of a psychosis with coincidental CFC has not been published before in the literature. Electroconvulsive therapy (ECT) has been frequently considered relatively contraindicated...
Article
Full-text available
Objective: Assessment of the systemic inflammatory response of the neutrophil lymphocyte ratio (NLR) and platelet lymphocyte ratio (PLR) is shown as a new biomarker. Red cell distribution width (RDW) is the size of red blood cells and have been found related to adverse events in many diseases. Mean platelet volume (MPV) indicates platelet volume an...
Article
Full-text available
Objective In this open-labeled, 12 weeks follow-up study, we aimed to compare the efficacy and tolerability of agomelatine with sertraline Methods The outpatients of adult psychiatry clinic who have a new onset of depression and diagnosed as ‘major depressive episode’ by clinician according to the Diagnostic and Statistical Manual of Mental Disord...
Article
Full-text available
Heroin addic on has many nega ve e ects in terms of society and individuals. Heroin can be used in many ways as inha- la on, smoking and injec on and long-term addicts can use many di erent injec on sites for heroin. When they have di culty of intravenous injec on sites, they tend to use subcutaneous ssues and muscles for injec on. Such injec ons c...
Article
Full-text available
Information on the use of N-acetylcysteine (NAC) in neuropsychiatric disorders has increased in recent publications. Although there are positive reports on the use of NAC in obsessive-compulsive and related disorders (OCRD), such data have not yet been validated. This article aims to review the research, case series and case reports that have been...
Article
Parasomnias are a group of disorders characterized by abnormal behaviors, physical activities, and autonomic arousal symptoms while transition to sleep or continuation of sleep. Sleep terror (ST) is classified under parasomnias characterized by sudden fear attacks beginning with crying attacks or high-frequency screams and continuing with increased...
Article
Full-text available
Extant literature indicates that bipolar disorder (BD) is associated with significant poor psychosocial functioning. However, the relationship between functioning and demographic and clinical variables is unclear. The aim of this study is to investigate the predictors of functioning such as demographic and clinical variables, social support, self-p...
Article
Antidepressants are known to induce manic switch in patients with depression. Treatment-induced mania is not considered as bipolar disorder in DSM IV. The aim of this study was to assess whether clinical characteristics of patients with unipolar depression with a history of treatment-induced mania were similar to those of patients with bipolar diso...
Article
Full-text available
Unlabelled: OBJECTIVE. Anxiety is an important cause of acute blood pressure (BP) elevation. However, the role of anxiolysis in this situation is still controversial. In this study, the relationship of anxiety with BP and the effect of anxiolytic treatment on BP were investigated. METHODS. Emergency department (ED) patients with an initial systoli...
Article
Full-text available
Objective: The purpose of this study was to explore the cognitive dysfunctions and related factors in a group of outpatients with schizophrenia. Method: Participants were 80 clinically stable outpatients with schizophrenia who are not mentally retarded. Neuropsychological profiles of the patients were evaluated by using the Wechsler Memory Scale-Re...
Article
It has been suggested that the treatment strategy needs to be reviewed and changed if depression occurs in patients with posttraumatic stress disorder (PTSD). We analyzed data extracted from the Marmara Epidemiological Survey (MES) which had examined 683 survivors at 3 years after a devastating earthquake. Fifty three cases (40.5%) out of the 131 c...
Article
The aim of this study was to examine the effects of history of suffocation, state-trait anxiety, and anxiety sensitivity on response to a 35% carbon dioxide (CO₂) challenge in panic disorder patients, their healthy first-degree relatives and healthy comparisons. Thirty-two patients with panic disorder, 32 first-degree relatives, and 34 healthy volu...
Article
The aim of the present study was to evaluate demographics, clinical features, psychiatric diagnoses and prognosis of neuroleptic malignant syndrome (NMS) reported in Turkey, and to assess their association with mortality. Data on all reported cases of NMS in the Turkish Psychiatric Index between 1985 and 2005 were collected. The type, dosage and ad...
Article
Full-text available
Objective: We aimed to examine the frequency of comorbid psychiatric disorders in medical inpatients, and its effects on the quality of life and functioning. Method: The study included the patients of internal medicine inpatient service between the ages of 18-75 except who have severe cognitive disturbance which prevents them to carry on structured...
Article
Full-text available
Postoperative discitis is a rare and painful complication that may emerge following spine procedures. We present a 34-year-old male patient with postoperative discitis who had been addicted to meperidine during pain relief. Three weeks after routine lumbar discectomy, this patient presented with clinical findings and radiographic imaging consistent...
Article
The aim of this study was to compare efficacy of fluoxetine alone and co-administration of gabapentin and fluoxetine in patients with obsessive compulsive disorder (OCD). Forty outpatients with a DSM-IV diagnosis of OCD were randomized to open label treatment, 20 of whom were treated with fluoxetine alone and the remaining 20 with fluoxetine plus g...
Article
We compared the mean basilar artery blood flow velocity (BABFV) between patients with panic disorder and healthy subjects both at rest and immediately following carbon dioxide (CO(2)) challenge, and examined the effects of treatment on BABFV. Twenty four patients with panic disorder with or without agoraphobia and 12 healthy comparison subjects wer...
Article
Full-text available
Objective: This study evaluated the clinical and sociodemographic features associated with concurrent Axis I psychiatric disorders among adult psychiatric outpatients with panic disorder (PD) with or without agoraphobia (AG). Method: This was a retrospective chart review study of 12.980 patients treated for any psychiatric disorders in psychiatric...
Article
Panic disorder (PD) is a heterogeneous phenomenon with respect to symptom profile. Most studies agree that a group of patients with prominent respiratory symptoms emerged as a distinct PD subtype. In this study we compared a range of clinical features associated with PD and agoraphobia in patients with respiratory (RS) and nonrespiratory (NRS) subt...
Article
The objective of the study is to describe the community prevalence of psychiatric disorder, mainly posttraumatic stress disorder (PTSD) and Major Depressive Disorder (MDD) 3 years after a devastating earthquake. Three years after the Marmara Earthquake, 683 individuals from the epicentre were randomly selected to form a representative sample and we...
Article
Full-text available
Objective. Reboxetine is a selective noradrenaline reuptake inhibitor (NaRI), a study on the effects of reboxetine on amenorrhea has not been reported in the literature up to now. This report describes a patient with symptoms of amenorrhea which is thought to be caused by reboxetine. Case. A female patient with major depressive disorder was given r...
Article
Although antidepressant drugs have been proven as an effective treatment for posttraumatic stress disorder (PTSD), there are few comparative studies of antidepressants that are acting on different neurotransmitters. The main aim of this study is to compare the efficacy of different class of antidepressant drugs on the PTSD. SUBJECTS/MATERIALS AND M...
Article
Full-text available
Patients with psychiatric disorders have a higher incidence of smoking than the general population. In particular, the rate of smoking among patients with schizophrenia has been found to be between two and three times in the general population in western countries. This paper reviews the biological factors that might be contributing to the high rat...
Article
Full-text available
We explored the prevalence of posttraumatic stress disorder (PTSD) and its relation to demographic characteristics and other risk factors for developing PTSD in a large sample (N = 910) of earthquake survivors living in tent city. Twenty-five percent of the sample met DSM-IV criteria for PTSD assessed with the Posttraumatic Stress Disorder Self Tes...
Article
This study was conducted in order to determine the symptom profile and risk factors associated with subthreshold post traumatic stress disorder (PTSD). It was conducted in 1316 subjects who had experienced the Marmara Earthquake. The data collected included socio-demographic features, experiences during the earthquake and risk factors associated wi...
Article
The purpose of this study was to investigate the effects of 1 μg kg -1 remifentanil iv administered prior to induction on the dose of thiopental necessary for anaesthesia induction, duration of convulsion and hemodynamic variables during electroconvulsive therapy Two anaesthesia induction techniques were used in a randomized, prospective and crosso...
Article
We assessed the reliability and validity of the Turkish version of the seven-item Panic Disorder Severity Scale (PDSS). We recruited 174 subjects, including 104 with current DSM-IV panic disorder with (n=76) or without(n=28)agoraphobia, 14 with a major depressive episode, 24 with a non-panic anxiety disorder, and 32 healthy controls. Assessment ins...
Article
Fluoxetine and its active metabolite norfluoxetine have long half-lives. We postulate that, owing to the long elimination half-life and the time to reach steady-state level in plasma is nearly four weeks, patients diagnosed with major depressive disorder might be treated with fluoxetine taken once every third day, after being treated initially duri...
Article
Full-text available
To test the efficacy of a non-governmental psychosocial rehabilitation program (Psychosocial Rehabilitation Clubhouse), which was developed by the authors and thought to be easy to put into practice for patients with schizophrenia. Patients with schizophrenia (n: 14) were serviced at "Izmit Our Garden Solidarity Foundation of Families of Patients w...
Article
The aim of this study was to compare the antidepressant efficacy of standard dose, dose optimization of antidepressant drug and buspirone augmentation strategies. 120 outpatients with a DSM-IV diagnosis of unipolar depression were randomised to 12-weeks of open label treatment with fluoxetine 20 (flx20) or 40 mg (flx40) daily or fluoxetine 20 mg pl...
Article
Full-text available
To assess general practitioners' attitudes and behavior towards psychotic disorders, antipsychotic drug prescriptions, and patients with psychosis in primary health care settings. 262 general practitioners (GPs) practicing in primary care settings in Kocaeli province were included in the study. The 20-item questionnaire, which was prepared by the r...
Article
The aim of the present study was to determine the psychometric properties of the Turkish translation of both the observer-rated (P&Ao) and self-rated (P&As) versions of the Panic and Agoraphobia Scale (P&A). Discriminant and convergent validity of P&A were assessed in patients with panic disorder with or without agoraphobia (n=119), by comparing th...
Article
The aim of the present study was to determine the psychometric properties of the Turkish translation of both the observer-rated (P&Ao) and self-rated (P&As) versions of the Panic and Agoraphobia Scale (P&A). Discriminant and convergent validity of P&A were assessed in patients with panic disorder with or without agoraphobia (n = 119), by comparing...
Article
Full-text available
Predictors of Current Comorbid PsychiatricDisorders With Posttraumatic Stress Disorder in Earthquake Survivors Objective:The occurence of a comorbid condition inPosttraumatic Stress Disorder (PTSD) can increase the level ofdisability and change the treatment principles. The aim of isstudy is to determine the predictors of current psychiatricdisorde...
Article
Obesity is a significant health problem owing to increased risk for diabetes and cardiovascular disease and several lines of evidence suggest that alterations in some central neuropeptid systems might account for genetic and behavioral contributions to obesity in humans. This condition characterized by the excessive accumulation of fat (when the bo...
Article
Drug-metabolising enzymatic activities have been detected in tracheobronchiolar, bronchiolar and alveolar regions in the lungs. Induction of phospholipidosis by amine drugs such as clorphentermine has also been shown. This study aimed to investigate the effect of fluoxetine and maprotiline, which contain amine groups in their structure, on pulmonar...
Article
Multiple sclerosis is most commonly thought of as a physically disabling, often progressive disease. Visual loss, weakness, spasticity, bladder dysfunction, sexual dysfunction and fatigue are among the primary symptoms considered in the management of this illness. There is, however, an increasing awareness of the role that psychiatric symptoms play...
Article
No one who sees a disaster is untouched by it, Most people pull together and function during and after a disaster, but their effectiveness is diminished. It must be known that disaster stress and grief reactions are normal responses to abnormal situation. Many emotional reactions of disaster survivors stem from problems of living caused by the disa...
Article
Orexin A and B also known as Hypocretin 1 and 2, these two small peptides, 33 and 28 amino acids in length, are derived from same precusor protein, prepro-orexin. Fasting increases expression of prepro-orexin, orexin A and B mRNA, and central administration of both orexin A and B stimulates food intake in rodents. This suggesting their expression i...

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