Research
Read how they describe their research on their University of Alberta profile.
Latest papers
Optimizing tissue acquisition to improve the diagnostic yield of endoscopic ultrasound-guided fine needle biopsy of solid masses: a quality improvement initiative.
Journal of the Canadian Association of Gastroenterology · 2026 · senior author
Stent misdeployment and factors associated with failure in endoscopic ultrasound-guided choledochoduodenostomy: analysis of the combined datasets from two randomized trials.
Endoscopy · 2025
Aspirin exposure and its association with metal stent patency in malignant distal biliary obstruction: a large international multicenter propensity score-matched study.
Gastrointestinal endoscopy · 2024
17 publications.
Optimizing tissue acquisition to improve the diagnostic yield of endoscopic ultrasound-guided fine needle biopsy of solid masses: a quality improvement initiative.
Khan S, Ashrafinia N, Mathura P, Puttagunta L, Girgis S, Thiesen A, Zhang J, Nilsson JE, Wasilenko S, Zepeda-Gomez S, Sandha G
Stent misdeployment and factors associated with failure in endoscopic ultrasound-guided choledochoduodenostomy: analysis of the combined datasets from two randomized trials.
Chen YI, Long C, Sahai AV, Napoleon B, Donatelli G, Kunda R, Martel M, Chan SM, Arcidiacono PG, Lam E, Kongkam P, Forbes N, Larghi A, Mosko JD, Van der Merwe S, Gan SI, Jacques J, Kenshil S, Ratanachu-Ek T, Miller C, Saxena P, Desilets E, Sandha G, Alrifae Y, Teoh AYB, ELEMENT and DRA-MBO working groups
Aspirin exposure and its association with metal stent patency in malignant distal biliary obstruction: a large international multicenter propensity score-matched study.
Candido K, Bouchard S, Hansen-Barkun C, Huang DC, Chatterjee A, Menard C, Miller C, Sandha G, Donnellan F, Telford J, Desilets E, Forbes N, Roy A, Calo N, Gan I, Lam E, Pleskow D, Chen Kiow JL, Sarker A, Cadieux-Genesse E, Jain A, Louis F, Bilal M, Sene PM, Fairclough J, Reuangrith J, Benmassaoud A, Geraci O, Martel M, Chen YI
Optimising the indications for biliary stent placement during endoscopic retrograde cholangiopancreatography: a quality improvement initiative to enhance patient care and reduce healthcare resource utilisation.
Alhaidari S, Alzahrani I, Alhanaee M, Decanini A, Mohamed M, Zepeda-Gomez S, Mathura P, Zhang J, Sandha G
Endoscopic Ultrasound-Guided Biliary Drainage of First Intent With a Lumen-Apposing Metal Stent vs Endoscopic Retrograde Cholangiopancreatography in Malignant Distal Biliary Obstruction: A Multicenter Randomized Controlled Study (ELEMENT Trial).
Chen YI, Sahai A, Donatelli G, Lam E, Forbes N, Mosko J, Paquin SC, Donnellan F, Chatterjee A, Telford J, Miller C, Desilets E, Sandha G, Kenshil S, Mohamed R, May G, Gan I, Barkun J, Calo N, Nawawi A, Friedman G, Cohen A, Maniere T, Chaudhury P, Metrakos P, Zogopoulos G, Bessissow A, Khalil JA, Baffis V, Waschke K, Parent J, Soulellis C, Khashab M, Kunda R, Geraci O, Martel M, Schwartzman K, Fiore JF, Rahme E, Barkun A
EUS-guided biliary drainage in malignant distal biliary obstruction: An international survey to identify barriers of technology implementation.
Palmieri V, Barkun A, Forbes N, Martel M, Lam E, Telford J, Sandha G, Paquin S, Sahai A, Chen YI
Outcomes Following Extrahepatic and Intraportal Pancreatic Islet Transplantation: A Comparative Cohort Study.
Verhoeff K, Marfil-Garza BA, Sandha G, Cooper D, Dajani K, Bigam DL, Anderson B, Kin T, Lam A, O'Gorman D, Senior PA, Ricordi C, Shapiro AMJ
Performance Characteristics of a Lumen-Apposing Metal Stent for Pancreatic Fluid Collections: A Prospective Cohort Study.
Dhillon A, Li S, Sandha S, D'Souza P, Sandha G
The Evolution of EUS-Guided Transluminal Drainage for the Treatment of Pancreatic Fluid Collections: A Comparison of Clinical and Cost Outcomes with Double-Pigtail Plastic Stents, Conventional Metal Stents and Lumen-Apposing Metal Stents.
Falk V, Kenshil S, Sandha S, Teshima C, D'Souza P, Sandha G
ELEMENT TRIAL: study protocol for a randomized controlled trial on endoscopic ultrasound-guided biliary drainage of first intent with a lumen-apposing metal stent vs. endoscopic retrograde cholangio-pancreatography in the management of malignant distal biliary obstruction.
Chen YI, Callichurn K, Chatterjee A, Desilets E, Fergal D, Forbes N, Gan I, Kenshil S, Khashab MA, Kunda R, Lam E, May G, Mohamed R, Mosko J, Paquin SC, Sahai A, Sandha G, Teshima C, Barkun A, Barkun J, Bessissow A, Candido K, Martel M, Miller C, Waschke K, Zogopoulos G, Wong C, ELEMENT trial and for the Canadian Endoscopic Research Collaborative (CERC)
Frequent collaborators
- Yen-I Chen and Alan Barkun: 78 shared papers
- Yen-I Chen and Nauzer Forbes: 54 shared papers
- Alan Barkun and Nauzer Forbes: 41 shared papers
- Peter Senior and Anna Lam: 36 shared papers
- Alan Barkun and Jeffrey Barkun: 35 shared papers
- Jeffrey Barkun and Peter Metrakos: 28 shared papers
- Elham Rahme and Alan Barkun: 25 shared papers
- Alan Barkun and Peter Metrakos: 21 shared papers
- Yen-I Chen and Amine Benmassaoud: 20 shared papers
- Yen-I Chen and Jeffrey Barkun: 18 shared papers
- Alan Barkun and Amine Benmassaoud: 10 shared papers
- Jad Abou Khalil and Jeffrey Barkun: 10 shared papers
- Nauzer Forbes and Jeffrey Barkun: 9 shared papers
- Jeffrey Barkun and George Zogopoulos: 9 shared papers
- Yen-I Chen and George Zogopoulos: 8 shared papers
- Peter Metrakos and George Zogopoulos: 7 shared papers
- Kevin Schwartzman and Julio Fiore Jr: 6 shared papers
- Peter Senior and David Bigam: 6 shared papers
- Yen-I Chen and Gurpal Sandha: 5 shared papers
- Nauzer Forbes and Gurpal Sandha: 5 shared papers
- Jad Abou Khalil and Peter Metrakos: 5 shared papers
- Elham Rahme and Yen-I Chen: 4 shared papers
- Julio Fiore Jr and Jad Abou Khalil: 4 shared papers
- Julio Fiore Jr and Jeffrey Barkun: 4 shared papers
- Yen-I Chen and Gary May: 4 shared papers
- Nauzer Forbes and Amine Benmassaoud: 4 shared papers
- Nauzer Forbes and Gary May: 4 shared papers
- Gary May and Jeffrey Mosko: 4 shared papers
- Kevin Schwartzman and Elham Rahme: 3 shared papers
- Kevin Schwartzman and Alan Barkun: 3 shared papers
- Yen-I Chen and Anand Sahai: 3 shared papers
- Alan Barkun and Gurpal Sandha: 3 shared papers
- Alan Barkun and Clarence Wong: 3 shared papers
- Alan Barkun and Jeffrey Mosko: 3 shared papers
- Alan Barkun and Anand Sahai: 3 shared papers
- Anna Lam and David Bigam: 3 shared papers
- Brendan Halloran and Sergio Zepeda-Gomez: 3 shared papers
- Yen-I Chen and Clarence Wong: 2 shared papers
- Yen-I Chen and Jeffrey Mosko: 2 shared papers
- Nauzer Forbes and Clarence Wong: 2 shared papers
- Nauzer Forbes and Anand Sahai: 2 shared papers
- Jeffrey Barkun and Gurpal Sandha: 2 shared papers
- George Zogopoulos and Gurpal Sandha: 2 shared papers
- Gurpal Sandha and Sergio Zepeda-Gomez: 2 shared papers
- Gurpal Sandha and Gary May: 2 shared papers
- Gurpal Sandha and Anand Sahai: 2 shared papers
- Kevin Schwartzman and Gurpal Sandha: 1 shared paper
- Elham Rahme and Gurpal Sandha: 1 shared paper
- Julio Fiore Jr and Peter Senior: 1 shared paper
- Julio Fiore Jr and Gurpal Sandha: 1 shared paper
- Yen-I Chen and André Roy: 1 shared paper
- Nauzer Forbes and André Roy: 1 shared paper
- Jad Abou Khalil and Gurpal Sandha: 1 shared paper
- Peter Senior and Gurpal Sandha: 1 shared paper
- Anna Lam and Gurpal Sandha: 1 shared paper
- Peter Metrakos and Gurpal Sandha: 1 shared paper
- Amine Benmassaoud and Gurpal Sandha: 1 shared paper
- Amine Benmassaoud and André Roy: 1 shared paper
- David Bigam and Gurpal Sandha: 1 shared paper
- David Bigam and Gavin Low: 1 shared paper
- Brendan Halloran and Gurpal Sandha: 1 shared paper
- Lakshmi Puttagunta and Gurpal Sandha: 1 shared paper
- Lakshmi Puttagunta and Sergio Zepeda-Gomez: 1 shared paper
- Gurpal Sandha and Gavin Low: 1 shared paper
- Gurpal Sandha and Clarence Wong: 1 shared paper
- Gurpal Sandha and Mahmod Mohamed: 1 shared paper
- Gurpal Sandha and Jeffrey Mosko: 1 shared paper
- Gurpal Sandha and André Roy: 1 shared paper
- Sergio Zepeda-Gomez and Mahmod Mohamed: 1 shared paper
- Medicine Dept
- Epidemiology, Biostatistics and Occupational Health
- Department of Medicine
- Medicine
- Gastroenterology
- Département de médecine
- Goodman Cancer Institute
- Other
Co-authors at University of Alberta, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Nauzer Forbes
Medicine
5 shared papers, latest 2025
Yen-I Chen
Gastroenterology
5 shared papers, latest 2025
Alan Barkun
Epidemiology, Biostatistics and Occupational Health
3 shared papers, latest 2023
Sergio Zepeda-Gomez
Medicine Dept
2 shared papers, latest 2026
Anand Sahai
Département de médecine
2 shared papers, latest 2023
Gary May
Department of Medicine
2 shared papers, latest 2023
George Zogopoulos
Goodman Cancer Institute
2 shared papers, latest 2023
Jeffrey Barkun
Faculty
2 shared papers, latest 2023
Mahmod Mohamed
Medicine Dept Gastroenterology
1 shared papers, latest 2024
Jeffrey Mosko
Department of Medicine
1 shared papers, latest 2023
Sander Van Zanten
Medicine Dept
1 shared papers, latest 2015
André Roy
Département de géographie
1 shared papers, latest 2024
Gavin Low
Radiology & Diagnostic Imaging Dept
1 shared papers, latest 2018
Clarence Wong
Medicine Dept
1 shared papers, latest 2019
Anna Lam
Medicine Dept
1 shared papers, latest 2022
Peter Metrakos
Faculty
1 shared papers, latest 2023
Amine Benmassaoud
Faculty
1 shared papers, latest 2024
David Bigam
Surgery Dept
1 shared papers, latest 2018
Brendan Halloran
Medicine Dept
1 shared papers, latest 2018
Richard Owen
Radiology & Diagnostic Imaging Dept
1 shared papers, latest 2015
Kevin Schwartzman
Epidemiology, Biostatistics and Occupational Health
1 shared papers, latest 2023
Lakshmi Puttagunta
Laboratory Medicine & Pathology Dept
1 shared papers, latest 2026
Elham Rahme
Epidemiology, Biostatistics and Occupational Health
1 shared papers, latest 2023
Julio Fiore Jr
Faculty
1 shared papers, latest 2023
Jad Abou Khalil
Faculty
1 shared papers, latest 2023
Peter Senior
Medicine Dept
1 shared papers, latest 2022
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.