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David Urbach

Research Profile

Geographic Areas

Ontario

Procedures

Concepts & Ideas

Disorders

Activities & Behaviors

Outcome Assessment (Health Care)

Organizations

Hospital Surgery Departments

Co-author Network

Publications

TOP 3
Alice C Wei; Katharine S Devitt; Anna R Gagliardi; Steve Gallinger; Erin D Kennedy; Lakhbir Sandhu; David R Urbach; Nancy N Baxter
Practice patterns for the management of hepatic metastases from colorectal cancer: a mixed methods analysis.
Solmaz Azari-Rad; Dionne M Aleman; Alanna L Yontef; David R Urbach
Reducing elective general surgery cancellations at a Canadian hospital.
Anna R Gagliardi; Pascale Lehoux; Sue Ross; Muriah Umoquit; Ariel Ducey; David R Urbach
Identifying optimal postmarket surveillance strategies for medical and surgical devices: implications for policy, practice and research.

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All Publications

2013: Alice C Wei; Katharine S Devitt; Anna R Gagliardi; Steve Gallinger; Erin D Kennedy; Lakhbir Sandhu; David R Urbach; Nancy N Baxter
Practice patterns for the management of hepatic metastases from colorectal cancer: a mixed methods analysis.
Annals of surgical oncology 2013;20(5):1567-74.
2013: Solmaz Azari-Rad; Dionne M Aleman; Alanna L Yontef; David R Urbach
Reducing elective general surgery cancellations at a Canadian hospital.
Canadian journal of surgery. Journal canadien de chirurgie 2013;56(2):113-8.
2013: Anna R Gagliardi; Pascale Lehoux; Sue Ross; Muriah Umoquit; Ariel Ducey; David R Urbach
Identifying optimal postmarket surveillance strategies for medical and surgical devices: implications for policy, practice and research.
BMJ quality & safety 2013;22(3):210-8.
2013: Binu J Jacob; Rahim Moineddin; Rinku Sutradhar; Nancy N Baxter; David R Urbach
Methodological approaches to population based research of screening procedures in the presence of selection bias and exposure measurement error: colonoscopy and colorectal cancer outcomes in Ontario.
BMC medical research methodology 2013;13():59.
2012: Binu J Jacob; Rahim Moineddin; Rinku Sutradhar; Nancy N Baxter; David R Urbach
Effect of colonoscopy on colorectal cancer incidence and mortality: an instrumental variable analysis.
Gastrointestinal endoscopy 2012;76(2):355-64.e1.
2011: Chaim M Bell; Arlene S Bierman; Stacey S Brener; Nadia Gunraj; Cindy Huo; Damon C Scales; Jana Bajcar; Merrick Zwarenstein; David R Urbach
Association of ICU or hospital admission with unintentional discontinuation of medications for chronic diseases.
JAMA : the journal of the American Medical Association 2011;306(8):840-7.
2011: Allan R Martin; Jason Klemensberg; Laz V Klein; David R Urbach; Chaim M Bell
Comparison of public and private bariatric surgery services in Canada.
Canadian journal of surgery. Journal canadien de chirurgie 2011;54(3):154-69.
2011: Anna Bendzsak; Rahima Nenshi; Gail Darling; Susan E Schultz; Nadia Gunraj; Andrew S Wilton; Marko Simunovic; Binu Jacob; David R Urbach
Overview of lung cancer surgery in Ontario.
The Annals of thoracic surgery 2011;91(2):361-6.
2011: Binu J Jacob; Rahim Moineddin; Rinku Sutradhar; Nancy N Baxter; Lisa Del Giudice; David R Urbach
Social disparities in the use of colonoscopy by primary care physicians in Ontario.
BMC gastroenterology 2011;11():102.
2010: Rahima Nenshi; Julie Takata; Stacey Stegienko; Binu Jacob; Paul Kortan; Wayne Deitel; Audrey Laporte; Gail Darling; David R Urbach
The cost of achalasia: quantifying the effect of symptomatic disease on patient cost burden, treatment time, and work productivity.
Surgical innovation 2010;17(4):291-4.
2010: Christian J Finley; Anna Bendzsak; George Tomlinson; Shaf Keshavjee; David R Urbach; Gail E Darling
The effect of regionalization on outcome in pulmonary lobectomy: a Canadian national study.
The Journal of thoracic and cardiovascular surgery 2010;140(4):757-63.
2009: Girish S Kulkarni; David R Urbach; Peter C Austin; Neil Fleshner; Andreas Laupacis
Longer wait times increase overall mortality in patients with bladder cancer.
The Journal of urology 2009;182(4):1318-24.
2009: Elisa Greco; Marina Englesakis; Amy Faulkner; Boguslawa Trojan; Lorne Rotstein; David R Urbach
Clinical librarian attendance at general surgery quality of care rounds (Morbidity and Mortality Conference).
Surgical innovation 2009;16(3):266-9.
2009: Amanda E Goldberg; Julie L Harnish; Stacey Stegienko; David R Urbach
Attitudes of patients and care providers toward a surgical site marking policy.
Surgical innovation 2009;16(3):249-57.
2009: Girish S Kulkarni; Andreas Laupacis; David R Urbach; Neil Fleshner; Peter C Austin
Varied definitions of hospital volume did not alter the conclusions of volume-outcome analyses.
Journal of clinical epidemiology 2009;62(4):400-7.
2008: Ramin Kholdebarin; Jonathan Boetto; Julie L Harnish; David R Urbach
Risk factors for bile duct injury during laparoscopic cholecystectomy: a case-control study.
Surgical innovation 2008;15(2):114-9.
2007: Michelle A Ostadi; Julie L Harnish; Stacey Stegienko; David R Urbach
Factors affecting the number of lymph nodes retrieved in colorectal cancer specimens.
Surgical endoscopy 2007;21(12):2142-6.
2007: Steven R Lopushinsky; K A Covarrubia; Linda Rabeneck; Peter C Austin; David R Urbach
Accuracy of administrative health data for the diagnosis of upper gastrointestinal diseases.
Surgical endoscopy 2007;21(10):1733-7.
2007: David R Urbach; Karen D Horvath; N N Baxter; Blair A Jobe; Atul K Madan; A D Pryor; Leena Khaitan; Alfonso Torquati; Steven Brower; T L Trus; S Schwaitzberg
A research agenda for gastrointestinal and endoscopic surgery.
Surgical endoscopy 2007;21(9):1518-25.
2007: D Weizman; Jamie Cyriac; David R Urbach
What is a meant when a laparoscopic surgical procedure is described as "safe"?
Surgical endoscopy 2007;21(8):1369-72.
2007: Pavi Singh Kundhal; Julie L Harnish; David R Urbach
Effect of surgeon on outcome of antireflux surgery.
Surgical endoscopy 2007;21(6):902-6.
2007: Steven R Lopushinsky; Peter C Austin; Linda Rabeneck; Girish S Kulkarni; David R Urbach
Regional variation in surgery for gastroesophageal reflux disease in Ontario.
Surgical innovation 2007;14(1):35-40.
2007: Chaim M Bell; Wendy V Hatch; Geta Cernat; David R Urbach
Surgeon volumes and selected patient outcomes in cataract surgery: a population-based analysis.
Ophthalmology 2007;114(3):405-10.
2007: Nathalie M Danjoux; Douglas K Martin; Pascale N Lehoux; Julie L Harnish; Randi Zlotnik Shaul; Mark Bernstein; David R Urbach
Adoption of an innovation to repair aortic aneurysms at a Canadian hospital: a qualitative case study and evaluation.
BMC health services research 2007;7():182.
2006: Chaim M Bell; Jana Bajcar; Arlene S Bierman; Ping Li; Muhammad M Mamdani; David R Urbach
Potentially unintended discontinuation of long-term medication use after elective surgical procedures.
Archives of internal medicine 2006;166(22):2525-31.
2006: Bharat Sharma; Nathalie M Danjoux; Julie L Harnish; David R Urbach
How are decisions to introduce new surgical technologies made? Advanced laparoscopic surgery at a Canadian community hospital: A qualitative case study and evaluation.
Surgical innovation 2006;13(4):250-6.
2006: Steven R Lopushinsky; David R Urbach
Pneumatic dilatation and surgical myotomy for achalasia.
JAMA : the journal of the American Medical Association 2006;296(18):2227-33.
2006: Jamie Cyriac; David Weizman; David R Urbach
Laparoscopic adrenalectomy for the management of benign and malignant adrenal tumors.
Expert review of medical devices 2006;3(6):777-86.
2006: David R Urbach; Julie L Harnish; Jodi Herold McIlroy; David Streiner
A measure of quality of life after abdominal surgery.
Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation 2006;15(6):1053-61.
2006: Chaim M Bell; David R Urbach; Joel G Ray; Ahmed Bayoumi; Allison B Rosen; Dan Greenberg; Peter J Neumann
Bias in published cost effectiveness studies: systematic review.
BMJ (Clinical research ed.) 2006;332(7543):699-703.
2005: David R Urbach; Julie L Harnish; Gina Long
Short-term health-related quality of life after abdominal surgery: a conceptual framework.
Surgical innovation 2005;12(3):243-7.
2005: David R Urbach; George A Tomlinson; Julie L Harnish; Rosemary Martino; Nicholas E Diamant
A measure of disease-specific health-related quality of life for achalasia.
The American journal of gastroenterology 2005;100(8):1668-76.
2005: David R Urbach
Measuring quality of life after surgery.
Surgical innovation 2005;12(2):161-5.
2005: David R Urbach; Therese A Stukel
Rate of elective cholecystectomy and the incidence of severe gallstone disease.
CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2005;172(8):1015-9.
2005: Alexandra Mihailovic; Chaim M Bell; David R Urbach
Users' guide to the surgical literature. Case-control studies in surgical journals.
Canadian journal of surgery. Journal canadien de chirurgie 2005;48(2):148-51.
2005: David R Urbach; Peter C Austin
Conventional models overestimate the statistical significance of volume-outcome associations, compared with multilevel models.
Journal of clinical epidemiology 2005;58(4):391-400.
2004: Erin D Kennedy; David R Urbach; Murray D Krahn; A Hillary Steinhart; Zane Cohen; Robin S McLeod
Azathioprine or ileocolic resection for steroid-dependent terminal ileal Crohn's disease? A Markov analysis.
Diseases of the colon and rectum 2004;47(12):2120-30.
2004: David R Urbach; Nancy N Baxter
Does it matter what a hospital is "high volume" for? Specificity of hospital volume-outcome associations for surgical procedures: analysis of administrative data.
Quality & safety in health care 2004;13(5):379-83.
2004: David R Urbach; Nancy N Baxter
Does it matter what a hospital is "high volume" for? Specificity of hospital volume-outcome associations for surgical procedures: analysis of administrative data.
BMJ (Clinical research ed.) 2004;328(7442):737-40.
2004: David R Urbach; Wendy J Ungar; Linda Rabeneck
Whither surgery in the treatment of gastroesophageal reflux disease (GERD)?
CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2004;170(2):219-21.
2003: Robert W O'rourke; Yashodhan S Khajanchee; David R Urbach; Nicole N Lee; Barbara Lockhart; Paul D Hansen; Lee L Swanstrom
Extended transmediastinal dissection: an alternative to gastroplasty for short esophagus.
Archives of surgery (Chicago, Ill. : 1960) 2003;138(7):735-40.
2003: David R Urbach; Chaim M Bell; Peter C Austin
Differences in operative mortality between high- and low-volume hospitals in Ontario for 5 major surgical procedures: estimating the number of lives potentially saved through regionalization.
CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2003;168(11):1409-14.
2003: Emma J Patterson; David R Urbach; Lee L Swanström
A comparison of diet and exercise therapy versus laparoscopic Roux-en-Y gastric bypass surgery for morbid obesity: a decision analysis model.
Journal of the American College of Surgeons 2003;196(3):379-84.
2003: David R Urbach; Chaim M Bell; Lee L Swanstrom; Paul D Hansen
Cohort study of surgical bypass to the gallbladder or bile duct for the palliation of jaundice due to pancreatic cancer.
Annals of surgery 2003;237(1):86-93.
2002: Richard D Bloomberg; David R Urbach
Laparoscopic Roux-en-Y gastric bypass for severe gastroesophageal reflux after vertical banded gastroplasty.
Obesity surgery 2002;12(3):408-11.
2002: David R Urbach; Chaim M Bell
The effect of patient selection on comorbidity-adjusted operative mortality risk. Implications for outcomes studies of surgical procedures.
Journal of clinical epidemiology 2002;55(4):381-5.
2002: David R Urbach; Lee L Swanstrom; Paul D Hansen
The effect of laparoscopy on survival in pancreatic cancer.
Archives of surgery (Chicago, Ill. : 1960) 2002;137(2):191-9.
2002: Yashodhan S Khajanchee; David R Urbach; N Butler; Paul D Hansen; Lee L Swanstrom
Laparoscopic antireflux surgery in the elderly.
Surgical endoscopy 2002;16(1):25-30.
2001: David R Urbach; Yashodhan S Khajanchee; R E Glasgow; Paul D Hansen; Lee L Swanstrom
Preoperative determinants of an esophageal lengthening procedure in laparoscopic antireflux surgery.
Surgical endoscopy 2001;15(12):1408-12.
2001: T A Kenyon; David R Urbach; J B Speer; B Waterman-Hukari; G F Foraker; Paul D Hansen; Lee L Swanström
Dedicated minimally invasive surgery suites increase operating room efficiency.
Surgical endoscopy 2001;15(10):1140-3.
2001: Yashodhan S Khajanchee; David R Urbach; Lee L Swanstrom; Paul D Hansen
Outcomes of laparoscopic herniorrhaphy without fixation of mesh to the abdominal wall.
Surgical endoscopy 2001;15(10):1102-7.
2001: David R Urbach; Lee L Swanstrom; Yashodhan S Khajanchee; Paul D Hansen
Incidence of cancer of the pancreas, extrahepatic bile duct and ampulla of Vater in the United States, before and after the introduction of laparoscopic cholecystectomy.
American journal of surgery 2001;181(6):526-8.
2001: David R Urbach; Daniel M Herron; Yashodhan S Khajanchee; Lee L Swanström; Paul D Hansen
Laparoscopic hepatic artery infusion pump placement.
Archives of surgery (Chicago, Ill. : 1960) 2001;136(6):700-4.
2001: A Ben-Meir; David R Urbach; Yashodhan S Khajanchee; Paul D Hansen; Lee L Swanstrom
Quality of life before and after laparoscopic Heller myotomy for achalasia.
American journal of surgery 2001;181(5):471-4.
2001: David R Urbach; Loraine D Marrett; Rose Kung; Marsha M Cohen
Association of perforation of the appendix with female tubal infertility.
American journal of epidemiology 2001;153(6):566-71.
2001: David R Urbach; Paul D Hansen; Yashodhan S Khajanchee; Lee L Swanstrom
A decision analysis of the optimal initial approach to achalasia: laparoscopic Heller myotomy with partial fundoplication, thoracoscopic Heller myotomy, pneumatic dilatation, or botulinum toxin injection.
Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2001;5(2):192-205.
2001: David R Urbach; Yashodhan S Khajanchee; Blair A Jobe; Blayne A Standage; Paul D Hansen; Lee L Swanstrom
Cost-effective management of common bile duct stones: a decision analysis of the use of endoscopic retrograde cholangiopancreatography (ERCP), intraoperative cholangiography, and laparoscopic bile duct exploration.
Surgical endoscopy 2001;15(1):4-13.
2000: David R Urbach; Paul D Hansen
Laparoscopic placement of a continuous hepatic artery infusion pump.
Seminars in laparoscopic surgery 2000;7(2):140-7.
1999: David R Urbach; Ori D Rotstein
Typhlitis.
Canadian journal of surgery. Journal canadien de chirurgie 1999;42(6):415-9.
1999: David R Urbach; Marsha M Cohen
Is perforation of the appendix a risk factor for tubal infertility and ectopic pregnancy? An appraisal of the evidence.
Canadian journal of surgery. Journal canadien de chirurgie 1999;42(2):101-8.
1999: David R Urbach; Erin D Kennedy; M M Cohen
Colon and rectal anastomoses do not require routine drainage: a systematic review and meta-analysis.
Annals of surgery 1999;229(2):174-80.
1998: David R Urbach; M Reedijk; CS Richard; K I Lie; T M Ross
Bowel resection for intestinal endometriosis.
Diseases of the colon and rectum 1998;41(9):1158-64.