Publications by authors named "Daniel Birch"

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Conversion To Open Approach in Primary Bariatric Surgery: A MBSAQIP Cohort Analysis of 524 224 Patients Evaluating Complications of and Risk Factors for Conversion.
Brianna Brand, Sukhdeep Jatana, Kevin Verhoeff, Valentin Mocanu, Daniel W Birch

Obes Surg· December 2025

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Treatment of Barrett's esophagus following sleeve gastrectomy by conversion to Roux-en-Y gastric bypass: a systematic review and pooled proportions analysis.
Thomas Armstrong, Abdullahi Mohamed, Brianna Brand, Sukhdeep Jatana, Janice Y Kung, Daniel W Birch

Surg Endosc· December 2025

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Bariatric conversional surgery in younger adults ≤40: who gets converted and comparative risks of conversion to subsequent procedures.
Jeremy Peabody, Sukhdeep Jatana, Kevin Verhoeff, Valentin Mocanu, Daniel W Birch

Surg Obes Relat Dis· November 2025

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Gastroesophageal reflux disease after biliopancreatic diversion-duodenal switch: a systematic review and meta-analysis.
Brianna Brand, Sukhdeep Jatana, Dunavan Morris-Janzen, Hannah Strinholm, Janice Y Kung, Daniel W Birch

Surg Endosc· July 2025

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Modern Trends of Drain Placement in Primary Bariatric Surgery: An MBSAQIP Analysis of 526,723 Patients.
Daniel J Meyer, Sukhdeep Jatana, Daniel W Birch, Noah J Switzer, Shahzeer Karmali

Obes Surg· April 2025

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Trends of Drain Placement During Revisional Bariatric Surgeries and Its Association with 30-Day Morbidity: An MBSAQIP Analysis of 64,495 Patients.
Daniel Meyer, Sukhdeep Jatana, Daniel W Birch, Noah J Switzer, Shahzeer Karmali

J Clin Med· April 2025

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Pre-Operative Gastroesophageal Reflux Does Not Affect 30-Day Outcomes in Patients Undergoing Revisional Bariatric Surgery to Single Anastomosis Duodeno-Ileal Bypass (SADI): An Analysis of 933 Metabolic and Bariatric Accreditation and Quality Improvement Program Patients.
Daniel Meyer, Valentin Mocanu, Noah J Switzer, Daniel W Birch, Shahzeer Karmali

J Clin Med· October 2024

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Predictors and Outcomes Associated with Bariatric Robotic Delivery: An MBSAQIP Analysis of 318,151 Patients.
Khadija Nasser, Sukhdeep Jatana, Noah J Switzer, Shahzeer Karmali, Daniel W Birch

J Clin Med· July 2024

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Characterization of Early Small Bowel Obstructions Following Elective Bariatric Surgery.
Cheynne McLean, Valentin Mocanu, Daniel W Birch, Shahzeer Karmali, Noah J Switzer

Obes Surg· April 2024

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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 Mocanu, Edward C Deehan, Naomi Hotte, Yuanyuan Zhu, Daniel W Birch

Gut Microbes· April 2024

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Revisional bariatric surgery for gastroesophageal reflux disease: characterizing patient and procedural factors and 30-day outcomes for a retrospective cohort of 4412 patients.
Sarah MacVicar, Valentin Mocanu, Uzair Jogiat, Kevin Verhoeff, Jerry Dang, Daniel Birch

Surg Endosc· January 2024

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2023 Canadian Surgery Forum: Sept. 20-23, 2023.
Raphaëlle Brière, Marce Émond, Axel Benhamed, Pierre-Gilles Blanchard, Sébastien Drolet, Daniel Birch, Daniel Birch, Daniel Birch, Daniel Birch, Daniel Birch, Daniel W Birch

Can J Surg· January 2024

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MBSAQIP risk calculator use in bariatric surgery is associated with a reduction in serious complications: a retrospective analysis of 210,710 patients.
Alexandra Hetherington, Kevin Verhoeff, Valentin Mocanu, Daniel W Birch, Shahzeer Karmali

Surg Obes Relat Dis· November 2023

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Endoscopic plication compared to laparoscopic fundoplication in the treatment of gastroesophageal reflux disease: a systematic review and meta-analysis.
Alexander Hajjar, Kevin Verhoeff, Uzair Jogiat, Valentin Mocanu, Daniel W Birch

Surg Endosc· August 2023

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Does ASA classification effectively risk stratify patients undergoing bariatric surgery: a MBSAQIP retrospective cohort of 138,612 of patients.
Sukhdeep Jatana, Kevin Verhoeff, Valentin Mocanu, Uzair Jogiat, Daniel W Birch

Surg Endosc· July 2023

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Substance abuse screening prior to bariatric surgery: an MBSAQIP cohort study evaluating frequency and factors associated with screening.
Sukhdeep Jatana, Kevin Verhoeff, Valentin Mocanu, Uzair Jogiat, Daniel W Birch

Surg Endosc· July 2023

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A 5-year characterization of trends and outcomes in elderly patients undergoing elective bariatric surgery.
Samantha Albacete, Kevin Verhoeff, Valentin Mocanu, Daniel W Birch, Shahzeer Karmali

Surg Endosc· July 2023

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Characteristics and outcomes for patients undergoing revisional bariatric surgery due to persistent obesity: a retrospective cohort study of 10,589 patients.
Steffane McLennan, Kevin Verhoeff, Valentin Mocanu, Uzair Jogiat, Daniel W Birch

Surg Endosc· June 2023

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Asian race is not associated with increased 30-day serious complications or mortality: a MBSAQIP analysis of 594,837 patients.
Lauren Hampton, Valentin Mocanu, Kevin Verhoeff, Daniel W Birch, Shahzeer Karmali

Surg Endosc· May 2023

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Post-Operative but Not Pre-Operative COVID-19 Predicts Serious Complications and Mortality Following Elective Bariatric Surgery.
Valentin Mocanu, Kevin Verhoeff, Jerry Dang, Daniel W Birch, Shahzeer Karmali

Obes Surg· April 2023

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Atrial dysrhythmias are independent predictors of serious complications and 30-day mortality after elective bariatric surgery: a retrospective study of 731,981 patients.
Valentin Mocanu, Kevin Verhoeff, Kirk Sinclair, Daniel W Birch, Shahzeer Karmali

Surg Obes Relat Dis· March 2023

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Response to: Comparing Patient Selection and 30-Day Outcomes Between One Anastomosis and Roux-en-Y Gastric Bypass: a Closer Look.
Valentin Mocanu, Kevin Verhoeff, Daniel W Birch, Shahzeer Karmali, Noah J Switzer

Obes Surg· March 2023

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Characterization of Pre- and Postpandemic 30-Day Follow-Up After Elective Bariatric Surgery: a Retrospective MBSAQIP Analysis of 834,646 Patients.
Hillary A Wilson, Valentin Mocanu, Cheynne McLean, Daniel W Birch, Shahzeer Karmali

Obes Surg· February 2023

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Comparing Patient Selection and 30-day Outcomes Between Single Anastomosis Gastric Bypass and Roux-en-Y Gastric Bypass: a Retrospective Cohort Study of 47,384 Patients.
Valentin Mocanu, Kevin Verhoeff, Hayley Forbes, Daniel W Birch, Shahzeer Karmali

Obes Surg· January 2023

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Obstructive Sleep Apnea Is Associated with Serious Complications But Not Increased Mortality Following Elective Bariatric Surgery: a Retrospective Cohort Study of 751,952 Patients.
Christopher Dwyer, Valentin Mocanu, Uzair Jogiat, Daniel W Birch, Shahzeer Karmali

Obes Surg· December 2022

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