Phebe S Ko's research while affiliated with Johns Hopkins University and other places
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Publications (10)
Leaders in academic anesthesiology in the United States have called for an examination of the state of scholarship within anesthesiology departments. National Institutes of Health funding and publication quality of subsets of U.S anesthesiologists have been examined; however, the publication output of and the demographic characteristics that are as...
Pelvic obliquity and loss of sitting balance develop from progressive scoliosis in cerebral palsy (CP) and are indications for surgery. Our goal was to quantify pelvic asymmetry to help understand skeletal deformity in CP and its surgical correction.
We assessed pelvic angles and transverse plane symmetry in 27 consecutive patients with scoliosis a...
To determine if the use of ultrasound guidance (vs non-ultrasound techniques) improves the success rate of nerve blocks.
Meta-analysis of randomized controlled trials (RCTs) in the published literature.
University medical center.
16 RCTs of patients undergoing elective surgical procedures were studied. Patients underwent ultrasound-guided or non-ul...
Retrospective review.
Anchor stability and prominence are problems with pelvic fixation in pediatric spinal deformity surgery. We compared the new sacral alar iliac (SAI) fixation technique (with a starting point in the sacral ala and in-line anchors deep under the midline muscle flap) with other methods of screw fixation.
Iliac anchors have been s...
Although the addition of a background infusion for intravenous patient-controlled analgesia (IV-PCA) has been identified as a risk factor for the development of respiratory depression, this has not clearly been examined in a systematic fashion. The authors undertook a systematic review and meta-analysis of available randomized controlled trials (RC...
Citations
... Thus, while clinical care and teaching appear to be separated from academic departments in the UK (residing instead in the NHS), the h-index may not be very different from that in the US. Our own preliminary work indicates that approximately 65% of US academic anaesthetists have no publications whereas the top 20% of authors accounted for 88% of all publications [7]. ...
Reference: Don't forget mentoring
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... According to Bell et al. [49], PhD faculty received half of all scholarly funding (50.2%), compared to 15.2% of MD faculty. Hurley et al. [50] noted that PhD faculty had 1.3 times more publications than MD (p = 0.0061), which made them the frontline supporters of the academic mission of the departments. University administration demands may put tremendous pressure on academics, who are forced to publish and generate clinical revenue along with teaching. ...
... Unlike iliac screws, this technique avoids the implant prominence and obviates the need for connectors [51,52]. This technique has the lowest overall complication rate among other techniques, but long-term follow-up is required, particularly to evaluate its adverse effects on the SI joint [1,53,54] (Fig. 16). ...
Reference: Sacropelvic fixation
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... They further found that "quad-cortical" purchase with an S2-alar screw trajectory into the ilium did not significantly enhance biomechanical strength. 85 Kebaish et al. 94 prospectively reviewed the use of S2AI screws in 52 consecutive patients with mean 2.5-years follow-up, concluding that the method is easy, safe and effective for achieving sacropelvic fixation in long posterior constructs, with minimal complications and low revision rate. 94 Several reports have also shown that percutaneous screw placement is a viable option. ...
... It is important to point out that although no Bridge type osteotomy was performed, Schwab's type I osteotomies 9 are very wide in the lumbar and thoracolumbar region, removing the entire inferior facet, in an attempt to make the curve as flexible as possible. Pelvic fixation was performed using the iliac screw technique or S2 alar iliac screws (S2AI) 11 according to case-by-case preference. After instrumentation, the correction was started with the so-called 3rd temporary rod technique. ...
... Axial plane deformities have received less attention in the literature. We have anecdotally noticed variations in the relationship between the iliac wings and the sacrum when treating CP patients surgically, when using navigation for S2 Alar-Iliac screws, and have sometimes identified an axially "windswept pelvis" [7]. This impacts the technique used when placing these screws or other forms of pelvic fixation. ...
... The American Society of Regional Anesthesia and Pain Medicine (ASRA) considers inaccurate needle positioning as a major cause of the limited clinical effectiveness of invasive procedures and potential adverse events [16]. Ultrasound offers real-time guidance, thereby facilitating accurate needle placement, and is able to decrease the likelihood of inadvertently puncturing sensitive tissues [17][18][19]. However, no study has compared the accuracy and safety of ultrasound-guided vs. palpation-guided procedures for needle placement at the interface between the plantar fascia and the flexor digitorum brevis. ...
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... The S2-alar-iliac (S2AI) screw technique has been proposed to minimize implant prominence when compared to traditional pelvic fusion that utilizes iliac screws [10]. In the S2AI screw technique, screws are placed from the sacrum into the iliac wing, across the sacroiliac joint [12,13]. The midline entry point of this technique allows for screw head placement more in-line with the lumbar screw heads and the rods, as well as in deeper soft tissues decreasing implant prominence [10]. ...
... Wel lieten veel van deze studies een toename van de bijwerkingen zien in aanwezigheid van een continu-infuus. Ook een recente meta-analyse naar het gebruik van PCIA met en zonder continu-infusie van opioïden toonde aan dat continu infusie gepaard gaat met een toename van respiratoire depressie bij volwassenen (George et al., 2010). ...
Reference: Voeding en chirurgie
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