Faculty profile

Shahzeer Karmali

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ProfessorSurgery DeptUniversity of Alberta

Shahzeer Karmali

Professor

Surgery Dept

Faculty of Medicine & Dentistry

University of Alberta

Edmonton, Alberta, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
33 publications in the last five years, latest in 2026.
Senior (last) author on 10 recent papers, a sign of leading a research group.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

131

Publications

2,560

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Read how they describe their research on their University of Alberta profile.

Latest papers

Does the Addition of a Collis Gastroplasty to Antireflux Surgery Reduce Hiatal Hernia Recurrence?: A Systematic Review and Meta-Analysis.
Journal of clinical medicine · 2026 · senior author
Treatment of Barrett's esophagus following sleeve gastrectomy by conversion to Roux-en-Y gastric bypass: a systematic review and pooled proportions analysis.
Surgical endoscopy · 2026 · senior author
Early versus delayed appendectomy for acute uncomplicated appendicitis in adult and pediatric patients: A systematic review and meta-analysis.
The journal of trauma and acute care surgery · 2026

All 131 publications

Latest funding

Outcome Assessment to Optimize Patient Selection for Bariatric Surgery (OASIS)
CIHR · 2010 · Co-investigator
$384,036

All 1 grants and awards

131 publications.

Does the Addition of a Collis Gastroplasty to Antireflux Surgery Reduce Hiatal Hernia Recurrence?: A Systematic Review and Meta-Analysis.

Trinh F, Jatana S, Frerichs H, Jimoh Z, McLennan S, Rouhi A, Kung JY, Ringuette V, Jogiat U, Turner S, Birch D, Switzer NJ, Karmali S

Journal of clinical medicine2026Senior author

DOI: 10.3390/jcm15103827 PMID: 42194788

Treatment of Barrett's esophagus following sleeve gastrectomy by conversion to Roux-en-Y gastric bypass: a systematic review and pooled proportions analysis.

Armstrong T, Mohamed A, Brand B, Jatana S, Kung JY, Meyer DJ, Birch DW, Switzer NJ, Karmali S

Surgical endoscopy2026Senior author

DOI: 10.1007/s00464-025-12420-x PMID: 41361515

Early versus delayed appendectomy for acute uncomplicated appendicitis in adult and pediatric patients: A systematic review and meta-analysis.

Ahmed H, Trinh F, Jatana S, Fujita K, Kung JY, Jogiat U, Karmali S, Switzer N, Mocanu V

The journal of trauma and acute care surgery2026

DOI: 10.1097/ta.0000000000004906 PMID: 41636758

Comparing long-term weight loss and complications in endoscopic sleeve gastroplasty and laparoscopic sleeve gastrectomy: a systematic review and meta-analysis.

LaPlante G, Cheema S, Brand B, Jatana S, Kung J, Ringuette V, Birch DW, Karmali S, Switzer NJ

Surgical endoscopy2026

DOI: 10.1007/s00464-026-12932-0 PMID: 42722912

Bariatric conversional surgery in younger adults ≤40: who gets converted and comparative risks of conversion to subsequent procedures.

Peabody J, Jatana S, Verhoeff K, Mocanu V, Birch DW, Karmali S, Switzer NJ

Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery2026

DOI: 10.1016/j.soard.2025.10.013 PMID: 41318338

Modern Trends of Drain Placement in Primary Bariatric Surgery: An MBSAQIP Analysis of 526,723 Patients.

Meyer DJ, Jatana S, Birch DW, Switzer NJ, Karmali S, Mocanu V

Obesity surgery2025

DOI: 10.1007/s11695-025-07760-5 PMID: 40035985

Conversion To Open Approach in Primary Bariatric Surgery: A MBSAQIP Cohort Analysis of 524 224 Patients Evaluating Complications of and Risk Factors for Conversion.

Brand B, Jatana S, Verhoeff K, Mocanu V, Birch DW, Karmali S, Switzer NJ

Obesity surgery2025

DOI: 10.1007/s11695-025-08350-1 PMID: 41184666

Gastroesophageal reflux disease after biliopancreatic diversion-duodenal switch: a systematic review and meta-analysis.

Brand B, Jatana S, Morris-Janzen D, Strinholm H, Kung JY, Meyer D, Mocanu V, Birch DW, Switzer NJ, Karmali S

Surgical endoscopy2025Senior author

DOI: 10.1007/s00464-025-11845-8 PMID: 40490578

Trends of Drain Placement During Revisional Bariatric Surgeries and Its Association with 30-Day Morbidity: An MBSAQIP Analysis of 64,495 Patients.

Meyer D, Jatana S, Birch DW, Switzer NJ, Karmali S, Mocanu V

Journal of clinical medicine2025

DOI: 10.3390/jcm14072456 PMID: 40217904

Recipient microbiome-related features predicting metabolic improvement following fecal microbiota transplantation in adults with severe obesity and metabolic syndrome: a secondary analysis of a phase 2 clinical trial

Zhengxiao Zhang, Valentin D. Mocanu, Edward C. Deehan, Naomi Hotte, Yuanyuan Zhu, Shanshan Wei, Dina H. Kao, Shahzeer Karmali, Daniel W. Birch, Jens Walter, Karen L. Madsen

Gut Microbes202451 citationsOpen Access

DOI: 10.1080/19490976.2024.2345134 PMID: 38685731

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Shahzeer Karmali

Research

Latest papers

Latest funding

Does the Addition of a Collis Gastroplasty to Antireflux Surgery Reduce Hiatal Hernia Recurrence?: A Systematic Review and Meta-Analysis.

Treatment of Barrett's esophagus following sleeve gastrectomy by conversion to Roux-en-Y gastric bypass: a systematic review and pooled proportions analysis.

Early versus delayed appendectomy for acute uncomplicated appendicitis in adult and pediatric patients: A systematic review and meta-analysis.

Comparing long-term weight loss and complications in endoscopic sleeve gastroplasty and laparoscopic sleeve gastrectomy: a systematic review and meta-analysis.

Bariatric conversional surgery in younger adults ≤40: who gets converted and comparative risks of conversion to subsequent procedures.

Modern Trends of Drain Placement in Primary Bariatric Surgery: An MBSAQIP Analysis of 526,723 Patients.

Conversion To Open Approach in Primary Bariatric Surgery: A MBSAQIP Cohort Analysis of 524 224 Patients Evaluating Complications of and Risk Factors for Conversion.

Gastroesophageal reflux disease after biliopancreatic diversion-duodenal switch: a systematic review and meta-analysis.

Trends of Drain Placement During Revisional Bariatric Surgeries and Its Association with 30-Day Morbidity: An MBSAQIP Analysis of 64,495 Patients.

Recipient microbiome-related features predicting metabolic improvement following fecal microbiota transplantation in adults with severe obesity and metabolic syndrome: a secondary analysis of a phase 2 clinical trial

Outcome Assessment to Optimize Patient Selection for Bariatric Surgery (OASIS)

Frequent collaborators

Arya Sharma

Raj Padwal

Daniel Birch

Michael Laffin

Scott Klarenbach

Sumit Majumdar

Karen Madsen

Megan Delisle

Clarence Wong

Allan Okrainec

Dina Kao

Dennis Hong

Yung Lee

Jens Walter

Timothy Jackson

Laurent Biertho

Ahmad Elnahas

Jeff Johnson

Boris Zevin

Krista Hardy

David Bigam

Braden Manns

Ari Doumouras

Shahzeer Karmali

Research

Latest papers

Latest funding

Does the Addition of a Collis Gastroplasty to Antireflux Surgery Reduce Hiatal Hernia Recurrence?: A Systematic Review and Meta-Analysis.

Treatment of Barrett's esophagus following sleeve gastrectomy by conversion to Roux-en-Y gastric bypass: a systematic review and pooled proportions analysis.

Early versus delayed appendectomy for acute uncomplicated appendicitis in adult and pediatric patients: A systematic review and meta-analysis.

Comparing long-term weight loss and complications in endoscopic sleeve gastroplasty and laparoscopic sleeve gastrectomy: a systematic review and meta-analysis.

Bariatric conversional surgery in younger adults &#x2264;40: who gets converted and comparative risks of conversion to subsequent procedures.

Modern Trends of Drain Placement in Primary Bariatric Surgery: An MBSAQIP Analysis of 526,723 Patients.

Conversion To Open Approach in Primary Bariatric Surgery: A MBSAQIP Cohort Analysis of 524 224 Patients Evaluating Complications of and Risk Factors for Conversion.

Gastroesophageal reflux disease after biliopancreatic diversion-duodenal switch: a systematic review and meta-analysis.

Trends of Drain Placement During Revisional Bariatric Surgeries and Its Association with 30-Day Morbidity: An MBSAQIP Analysis of 64,495 Patients.

Recipient microbiome-related features predicting metabolic improvement following fecal microbiota transplantation in adults with severe obesity and metabolic syndrome: a secondary analysis of a phase 2 clinical trial

Outcome Assessment to Optimize Patient Selection for Bariatric Surgery (OASIS)

Frequent collaborators

Arya Sharma

Raj Padwal

Daniel Birch

Michael Laffin

Scott Klarenbach

Sumit Majumdar

Karen Madsen

Megan Delisle

Clarence Wong

Allan Okrainec

Dina Kao

Dennis Hong

Yung Lee

Jens Walter

Timothy Jackson

Laurent Biertho

Ahmad Elnahas

Jeff Johnson

Boris Zevin

Krista Hardy

David Bigam

Braden Manns

Ari Doumouras

Bariatric conversional surgery in younger adults ≤40: who gets converted and comparative risks of conversion to subsequent procedures.