The 2016 Warwick Agreement on femoroacetabular impingement (FAI) syndrome was convened to build an international, multidisciplinary consensus on the diagnosis and management of patients with FAI syndrome. 22 panel members and 1 patient from 9 countries and 5 different specialties participated in a 1-day consensus meeting on 29 June 2016. Prior to the meeting, 6 questions were agreed on, and recent relevant systematic reviews and seminal literature were circulated. Panel members gave presentations on the topics of the agreed questions at Sports Hip 2016, an open meeting held in the UK on 27-29 June. Presentations were followed by open discussion. At the 1-day consensus meeting, panel members developed statements in response to each question through open discussion; members then scored their level of agreement with each response on a scale of 0-10. Substantial agreement (range 9.5-10) was reached for each of the 6 consensus questions, and the associated terminology was agreed on. The term 'femoroacetabular impingement syndrome' was introduced to reflect the central role of patients' symptoms in the disorder. To reach a diagnosis, patients should have appropriate symptoms, positive clinical signs and imaging findings. Suitable treatments are conservative care, rehabilitation, and arthroscopic or open surgery. Current understanding of prognosis and topics for future research were discussed. The 2016 Warwick Agreement on FAI syndrome is an international multidisciplinary agreement on the diagnosis, treatment principles and key terminology relating to FAI syndrome.
The gene for the phosphate-starvation-inducible outer membrane protein OprP, of Pseudomonas aeruginosa was introduced into Caulobacter crescentus CB2A on a plasmid vector. As is the case in P. aeruginosa and Escherichia coli the oprP gene was inducible under conditions of limiting phosphate in C. crescentus. However, the maximal medium concentration of phosphate which still permitted induction of OprP was lower in C. crescentus (50 microM) than in P. aeruginosa (200 microM). Induction of OprP was coincident with the process of stalk elongation, known to occur in C. crescentus under phosphate starvation conditions. When induced, OprP was localized to the cell envelope and became a major membrane protein, indicating that the Pseudomonas promoter was efficiently recognized in C. crescentus and that the gene product was targeted to the appropriate region of the cell. Our data provide support for the hypothesis that the mechanism for regulation of phosphate-starvation-inducible genes is highly conserved amongst the eubacteria.
KeynoTe sPeaKer: Mary ellen Jeans lecTure undersTanding huMan Pain PercePTion and analgesia Through advanced neuroiMaging invited speaker: irene Tracey nuffield Professor anaesthetic science & director, oxford centre for fMri of Brain, nuffield department of clinical neurosciences, (head, nuffield division anaesthetics), oxford university, england, uK The ability to experience pain is old and shared across species. It confers an evolutionary advantage and provides a warning of harm or impending threat. As far back as Hippocrates, it was understood that the brain was key to a person experiencing pain. Fortunately, these days we now have many techniques available to explore the human central nervous system in vivo from a functional, structural and chemical perspective in both patients and healthy subjects. Relating specific neurophysiologic measures to perceptual or non-perceptual changes induced by peripheral or central sensitisation, behavioural, psychological or pharmacological mechanisms and identifying their site of action within the CNS has both value and has been a major goal for scientists, clinicians and the pharmaceutical industry. Identifying non-invasively where functional and structural plasticity, sensitisation and other amplification or attenuation processes occur along the pain neuraxis for an individual and relating these neural mechanisms to specific pain experiences, measures of pain relief, persistence of pain states, degree of injury and the subject's underlying genetics, has neuroscientific relevance and potential diagnostic value. Learning Objectives: 1. Better knowledge of the range of physiological measures available using advanced neuroimaging that give novel insights into central pain mechanisms 2. To understand the importance of the descending pain modulatory system in acute and chronic pain 3. To learn how current theories regarding how the brain generates perception can inform the pain field.
We hypothesize that obesity is a common diagnosis in those with achalasia at our institution but time to diagnosis and treatment is longer compared to normal weight counterparts due to implicit bias. We retrospectively reviewed all adult patients between 1/1/2013 and 6/31/2020 with a diagnosis of achalasia. Demographics, comorbidities, Eckardt scores, interventions, complications, time to consult, duration of symptoms, and follow-up were evaluated. More than half of the patients were seen in the most recent 2 years following POEM introduction and 138 had available BMI data. 46 were obese (33%) and 92 were non-obese (67%). Obese patients reported a shorter duration of symptoms prior to seeking treatment 12 versus 24 months. There was no difference in time to intervention or procedure offered. There was a non-significant trend toward higher leak (11 vs 5%) and overall complication rate (19 vs 17%) in obese patients. In follow-up 98 patients had BMI data. There was a a significant difference in mean BMI change -1.2 +/- 4.2 kg/m2 in obese patients and +0.1 +/- 2.1 kg/m2 in normal weight patients. One year follow-up was available in 16 (47%) obese and 25 (33%) non-obese patients and showed a non-significant trend toward greater weight gain in the normal/overweight group (+3.2 +/- 1.1 kg/m2) compared to obese (+2.0 +/- 3.5 kg/m2). Obese patients with achalasia have unique considerations. Duration of symptoms may be shorter in the obese patient with esophageal dysphagia. We noted trends toward greater weight gain following interventions in non-obese patients with equivalent complication rates
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