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A. Levy

Observed names: A. R. Levy, AR Levy
OpenAlex ID: A5112374432
Simplified Bayesian Sensitivity Analysis for Mismeasured and Unobserved Confounders
2010 · P. Gustafson, L. C. McCandless, et al. · Biometrics · 34
2015 Canadian Surgery Forum02 The usefulness and costs of routine contrast studies after laparoscopic sleeve gastrectomy for detecting staple line leaks03 The association of change in body mass index and health-related quality of life in severely obese patients04 Inpatient cost of bariatric surgery within a regionalized centre of excellence system05 Regional variations in the public delivery of bariatric surgery: an evaluation of the centre of excellence model06 The effect of distance on short-term outcomes after bariatric surgery07 The role of preoperative upper endoscopy in bariatric surgery: a systematic review08 Outcomes of a dedicated bariatric revision surgery clinic10 Quality of follow-up: a systematic review of the research in bariatric surgery14 Bariatric surgery improves weight loss and cardiovascular disease compared with medical management alone: an Alberta multi-institutional early outcomes study16 Diabetic control after laparoscopic gastric bypass and sleeve gastrectomy: a short-term prospective study17 Knowledge and perception of bariatric surgery among primary care physicians: a survey of family doctors in Ontario19 Is early discharge of patients post laparoscopic sleeve gastrectomy safe?22 A comparison of outcomes between bariatric centres of excellence within Ontario02 Closure methods for laparotomy incisions: a cochrane review03 Closing the audit cycle: Are we consenting correctly now?05 Regional variation in the use of surgery in Ontario06 Quitting general surgery residency: attitudes and factors in Canada07 Nipple-sparing mastectomy: utility of intraoperative frozen section analysis of retroareolar tissue08 Withdrawn09 Reliable assessment of operative performance10 Video assessment as a method of assessing surgical competence: the difference in video-rating skills after 4 years of residency11 Burnout among academic surgeons13 Increased health services use by severely obese patients undergoing emergency surgery: a retrospective cohort study14 Novel models for advanced laparoscopic suturing: taking it to the next level16 Pectoral nerve block in breast and axillary surgery17 Predictors for positive resection margins in gastric adenocarcinoma: a population-based analysis18 Predictors of malignancy in thyroid nodules19 Safety and efficacy of POEM for treatment of achalasia: a systematic review of the literature20 Informed consent for surgery21 Meconium ileus: 20 years of experience22 Paraesophageal hernia repair in the elderly: outcomes in a 10-year retrospective study23 The changing face of breast cancer: younger age and aggressive disease in Filipino Canadians24 A systematic review of intraoperative blood loss estimation methods for major noncardiac surgery: a 50-year perspective25 The AVATAR trial: applying vacuum to accomplish reduced wound infections in laparoscopic pediatric surgery27 Indications for use of damage control surgery in civilian trauma patients: a content analysis and expert appropriateness rating study28 Indications for use of thoracic, abdominal, pelvic, and vascular damage control interventions in trauma patients: a content analysis and expert appropriateness rating study29 The impact of health care contact and invasive procedures on Staphylococcus aureus bacteremia: a 5-year retrospective cohort study30 Acute care surgery — positive impact on gallstone pancreatitis31 Safety and efficacy of a step-up approach to management of severe, refractory Clostridium difficile infection32 Clinical and operative outcome of patients with acute cholecystitis who are treated initially with image-guided cholecystostomy34 Assessment of preoperative carbohydrate loading and blood glucose concentration in patients with diabetes35 Impact of pre-emptive lidocaine infiltration at trocar sites (PLITS) and intraoperative ketorolac administration on postoperative pain and narcotics consumption after endocholecystectomy: a randomized-controlled trial36 Expert intraoperative judgment and decision-making: defining the cognitive competencies for safe laparoscopic cholecystectomy37 Teaching clinical anatomy to postgraduate surgical trainees38 Investigating the role of TNFR1 in gastric adenocarcinoma peritoneal metastasis39 Selective outcome reporting and publication biases in surgical randomized controlled trials40 Definitive percutaneous management of symptomatic cholelithiasis41 Peer-based coaching: an innovative method to teach faculty an advanced laparoscopic technique42 Improving teaching and learning in the operating room: Does the surgical procedure feedback rubric support learning?43 Withdrawn44 Mislabelling study designs as case–control in surgical literature45 Measured resting energy expenditure in patients with open abdomens: preliminary data of a prospective pilot study46 Open abdomen management and primary abdominal closure in a surgical abdominal sepsis cohort: a retrospective review47 The effect of early mobilization protocols on postoperative outcomes following abdomina
2015 · P. Leung, E. Lester, et al. · Canadian Journal of Surgery · 1
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Pcv64 - the Direct Resource Use and Medical Costs of Heart Failure in Nova Scotia, Canada
2018 · A. Levy, K. Johnston, et al. · Value in Health
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Contemporary Natural History Of Heart Failure In Nova Scotia, Canada
2018 · AR Levy, KM Johnston, et al. · Value in Health
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Family Preferences in the Volume Verse Outcome Debate: Implications for the Delivery of Complex Pediatric Care
2014 · G. O'Leary, A. Lockhart, et al. · Value in Health
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Canadian Surgery Forum1. (CJSEditors' Choice Award) Weight loss and obesity-related outcomes of gastric bypass, sleeve gastrectomy and gastric banding in patients enrolled in a population-based bariatric program: prospective cohort study2. Early outcomes of a small, rural bariatric surgery program3. Is early discharge of patients post-laparoscopic Roux-en-Y gastric bypass safe?4. Defining the learning curve: early experience of laparoscopic Roux-en-Y gastric bypass from a bariatric centre of excellence5. Bariatric surgery in patients with renal disease: Is it safe and is there an optimal approach?6. A comparison of weight loss and follow-up interventions required for sleeve gastrectomy and gastric bypass at a single centre: Is there an optimal procedure for Canada?7. Laparoscopic adjustable gastric band complication and revision rates in a publicly funded obesity program8. The Covidien TriStaple system versus the duet tissue buttress in laparoscopic sleeve gastrectomy: a comparative study9. Three-year outcomes for bariatric surgery in a regionalized surgical care system: the Ontario experience10. The epidemiology of readmission after bariatric surgery in Ontario11. Can recent health service use predict postoperative complications in seniors undergoing colon cancer surgery?12. Appropriateness of transfusions for colorectal surgery (ATRACS): a multi-institutional assessment of current red blood cell transfusion practices13. Catheter fecal management systems can cause life-threatening rectal bleeding: a systematic review14. Tumour budding predicts recurrence after curative resection for T2N0 colorectal cancer15. Different scopes for different folks? A comparison of patient populations and adenoma detection rates for out-patient centre and hospital-based colonoscopies16. Normalization of carcinoembryonic antigen levels postneoadjuvant therapy is a strong predictor of pathologic complete response in rectal carcinoma17. Is laparoscopic resection in select T4 colorectal lesions comparable to open resection for achieving adequate margins?18. Is early discharge following elective oncologic colon resections in select patients safe? Analysis of short-term outcomes19. Rate of positive circumferential radial margins in rectal cancer is dependent on pathologist and surgeon performance and on the definition of a positive CRM: data from Local Health Integration Network 420. Laparoscopic colorectal cancer resection in the obese: a meta-analysis21. Toward standardizing the rectal cancer surgery consent process: the evaluation of the rectal cancer decision aid22. Transanal endoscopic microsurgery for rectal villous tumours: Can we rely solely on preoperative biopsies and the surgeon’s experience?23. The 2-question questionnaire: an initial step in reducing surgical site infections in colorectal surgery using a comprehensive unit-based safety program24. Measuring patient satisfaction within an enhanced recovery after colorectal surgery program25. Rectal exam: knowledge and perception of family medicine residents in the province of Québec26. Transanal endoscopic microsurgery for malignant polyps found at endoscopy27. Transanal endoscopic microsurgery for unanticipated malignancies — this unexpected finding does not affect final outcomes28. Transabdominal versus transanal excision of T1 rectal cancer29. Transanal endoscopic microsurgery for giant polyps — the Manitoba experience30. Time to recurrence as a marker for tumour aggressiveness in colorectal cancer31. Surgical site infections following colorectal surgery for inflammatory bowel disease and diverticulitis32. Sarcopenia is not predictive of anastomotic leak or length of stay following surgery for colorectal cancer33. Oncologic outcomes and undertreatment issues associated with a selective approach to neoadjuvant radiation therapy in patients with cT3N0 rectal cancer: early results from a retrospective cohort34. Surgical outcomes and cost advantages of transanal minimally invasive surgery35. (CJSEditors' Choice Award) To suture or not: a multicentre, randomized, controlled trial of open versus closed management of full thickness transanal endoscopic microsurgery (TEM) rectal lesion resections36. Transanal endoscopic microsurgery: experience of the first 388 procedures at a Canadian colorectal surgery centre37. Combined endoscopic and fluoroscopic approach to colonic stenting: Clinical results from a single centre38. Ten-year experience with self-expanding metal stents as a bridge-to-surgery with curative intent in the treatment of colorectal adenocarcinoma presenting with acute left-sided colonic obstruction39. The effect of an acute care surgery service on the management of appendicitis40. Correlation of CT hypoperfusion complex and clinical hypotension in adult blunt trauma patients41. Endoscopic versus open component separation: systematic review and meta-analysis42. Improving perioperative management of anemia and use of red blood cell transfusions for ga
2014 · R.S. Gill, D. Pace, et al. · Canadian Journal of Surgery
Canadian Surgery Forum1 Is laparoscopic sleeve gastrectomy a reasonable stand-alone procedure for super morbidly obese patients?2 Postoperative monitoring requirements of patients with obstructive sleep apnea undergoing bariatric surgery3 Role of relaparoscopy in the diagnosis and treatment of bariatric complications in the early postoperative period4 Changes of active and total ghrelin, GLP-1 and PYY following restrictive bariatric surgery and their impact on satiety: comparison of sleeve gastrectomy and adjustable gastric banding5 Prioritization and willingness to pay for bariatric surgery: the patient perspective6 Ventral hernia at the time of laparoscopic gastric bypass surgery: Should it be repaired?7 Linear stapled gastrojejunostomy with transverse handsewn enterotomy closure significantly reduces strictures for laparoscopic Roux-en-Y bypass8 Laparoscopic biliopancreatic diversion with duodenal switch as second stage for super super morbidly obese patients. Do all patients benefit?9 Sleeve gastrectomy in the super super morbidly obese (BMI > 60 kg/m2): a Canadian experience10 Laparoscopic gastric bypass for the treatment of refractory idiopathic gastroparesis: a report of 2 cases11 Duodeno-ileal switch as a primary bariatric and metabolic surgical option for the severely obese patient with comorbidities: review of a single-institution case series of duodeno-ileal intestinal bypass12 Management of large paraesophageal hernias in morbidly obese patients with laparoscopic sleeve gastrectomy: a case series13 Early results of the Ontario bariatric surgical program: using the bariatric registry14 Improving access to bariatric surgical care: Is universal health care the answer?15 Early and liberal postoperative exploration can reduce morbidity and mortality in patients undergoing bariatric surgery16 Withdrawn17 Identification and assessment of technical errors in laparoscopic Roux-en-Y gastric bypass18 A valid and reliable tool for assessment of surgical skill in laparoscopic Roux-en-Y gastric bypass19 Psychiatric predictors of presurgery drop-out following suitability assessment for bariatric surgery20 Predictors of outcomes following Roux-en-Y gastric bypass surgery at The Ottawa Hospital21 Prophylactic management of cholelithiasis in bariatric patients: Is routine cholecystectomy warranted?22 Early outcomes of Roux-en-Y gastric bypass in a publicly funded obesity program23 Similar incidence of gastrojejunal anastomotic stricture formation with hand-sewn and 21 mm circular stapler techniques during Roux-en-Y gastric bypass24 (CAGS Basic Science Award) Exogenous glucagon-like peptide-1 improves clinical, morphological and histological outcomes of intestinal adaptation in a distal-intestinal resection piglet model of short bowel syndrome25 (CAGS Clinical Research Award) Development and validation of a comprehensive curriculum to teach an advanced minimally invasive procedure: a randomized controlled trial26 Negative-pressure wound therapy (iVAC) on closed, high-risk incisions following abdominal wall reconstruction27 The impact of seed granting on research in the University of British Columbia Department of Surgery28 Quality of surgical care is inadequate for elderly patients29 Recurrence of inguinal hernia in general and hernia specialty hospitals in Ontario, Canada30 Oncostatin M receptor deficiency results in increased mortality in an intestinal ischemia reperfusion model in mice31 Laparoscopic repair of large paraesophageal hernias with anterior gastropexy: a multicentre trial32 Response to preoperative medical therapy predicts success of laparoscopic splenectomy for immune thrombocytopenic purpura33 Perioperative sepsis, but not hemorrhagic shock, promotes the development of cancer metastases in a murine model34 Measuring the impact of implementing an acute care surgery service on the management of acute biliary disease35 Patient flow and efficiency in an acute care surgery service36 The relationship between treatment factors and postoperative complications after radical surgery for rectal cancer37 Risk of ventral hernia after laparoscopic colon surgery38 Urinary metabolomics as a tool for early detection of Barrett’s and esophageal cancer39 Construct validity of individual and summary performance metrics associated with a computer-based laparo-scopic simulator40 Impact of a city-wide health system reorganization on emergency department visits in hospitals in surrounding communities41 Transcatheter aortic valve implantation for the nonoperative management of aortic stenosis: a cost-effectiveness analysis42 Breast cancer: racial differences in age of onset. A potential confounder in Canadian screening recommendations43 Risk taking in surgery: in and out of the comfort zone44 A tumour board in the office: Track those cancer patients!45 Increased patient BMI is not associated with advanced colon cancer stage or grade on presentation: a retrospective chart review46 Consensus statements regardi
2012 · R. Fayez, A. AlMuntashery, et al. · Canadian Journal of Surgery
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PCN52 Economic Impact of Healthcare Resource Utilisation Patterns Among Patients Diagnosed with Advanced Melanoma in the UK, Italy, and France: Results From a Retrospective, Longitudinal Survey (Melody Study)
2011 · K. Johnston, A. Levy, et al. · Value in Health
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MT1 Impact of the Choice of Prior Distribution on relative Effect Sizes Using Bayesian Network Meta-Analysis
2011 · S. Goring, I. Ghement, et al. · Value in Health
Economic impact of healthcare resource utilisation patterns among patients diagnosed with advanced melanoma in the UK, Italy, and France: Results from a retrospective longitudinal survey (Melody Study). (Value in Health, PCN52, vol 14, iss 7, Nov2011, p A443)
2011 · Katherine Johnston, A. Levy, et al. · Research Explorer (The University of Manchester)
Es2 Direct Medical Costs of Solid Organ Transplant in British Columbia, Canada
2006 · AR Levy, B Sobolev, et al. · Value in Health
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Works count: 12
Citation count: 35
H-index: 1
I10-index: 1
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