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Dr. Michel Gagner was born in 1960 in Montreal, Quebec, Canada.
Dr. Gagner obtained a Diploma in Sciences at the Seminaire de Sherbrooke in 1978 and his M.D. from the Faculté de Médecine de l'Université de Sherbrooke in 1982. He did his surgical training at McGill University in Montreal from 1982 to 1988. During his residency, he completed 2 years of a Ph.D. program on human lipolysis in sepsis at the Royal Victoria Hospital at McGill University from 1984 to 1986. Dr. Gagner also completed fellowships in hepatic surgery at Hospital Villejuif in Paris, France and pancreaticobiliary surgery at Lahey Clinic Medical Center in Burlington, Massachusetts, from 1989 to 1990.
Upon completion of his fellowships, he was recruited to Université de Montréal, School of Medicine, Hôtel-Dieu de Montreal, where he was Assistant Professor of Surgery from 1990 to 1995. Following this, Dr. Gagner worked at the Cleveland Clinic Foundation in Cleveland where he co-founded the Minimally Invasive Surgery Center from 1995 to 1998. Dr. Gagner was appointed the Franz Sichel Professor of Surgery and Director of the Minimally Invasive Surgery Center of Mount Sinai School of Medicine in New York, from 1998 to 2003. He then joined Weill Medical College of Cornell University in New York, as Professor of Surgery and Chief of the Section of Laparoscopic and Bariatric Surgery from 2003 to 2007. He was until recently, Chair of the Department of Surgery at the Mount Sinai Medical Center in Miami and Professor of Surgery at Florida International University, and is currently Professor of Surgery in Montreal.
Dr. Gagner is known for his contributions in the field of Minimally Invasive Surgery, in particular the first description of laparoscopic adrenalectomy for Cushing syndrome and pheochromocytoma in 1992, the first description of laparoscopic pancreatectomy, distal and proximal, from 1992 to 1993, the first description of endoscopic neck surgery with parathyroidectomy in 1995, the first transgastric cholecystectomy in 1997, the first description of a laparoscopic duodenal switch for obesity in 1999 and laparoscopic sleeve gastrectomy in 2000. More recently, Dr. Gagner was co-surgeon for the first world transatlantic robotic cholecystectomy, between New York City and Strasbourg, France. It is the only surgical article published in Nature in 2001.
He has over 300 published journal articles, 40 book chapters, and 8 books on minimally invasive surgery. He has been a visiting professor and operated in over 60 institutions in 48 countries. He has held prominent positions in more than 35 societies and organizations and has served on the editorial boards of 12 surgical journals.
Dr. Gagner has also received a number of honorary memberships and awards throughout his career. His most recent contributions focus on innovative upper digestive tract surgery such as bariatric and endoluminal gastric procedures.
Dr. Gagner has a long history of surgical research, beginning in 1984. His passion for surgical experimentation has led him to multiple discoveries and new approaches. His most significant contributions have been in the fields of laparoscopic removal of adrenal tumours, laparoscopic surgery of the pancreas, endoscopic removal of parathyroid and thyroid tumours, robotic surgery, laparoscopic duodenal switch and sleeve gastrectomy for obesity and diabetes.
Publications
Gagner M. A Rocambolesque Metafiction. Obes Surg. 2019 Feb;29(2):636. doi: 10.1007/s11695-018-03632-3. PMID: 30554305.
Gagner M. Metabolic Surgery Needs Stronger Endorsement. Obes Surg. 2021 Jul;31(7):3315-3316. doi: 10.1007/s11695-021-05344-7. Epub 2021 Mar 17. PMID: 33733374.
Gagner M. Revisions of Gastric Bypass-A Moral Obligation. JAMA Surg. 2019 Oct 1;154(10):975. doi: 10.1001/jamasurg.2019.1740. PMID: 31215981.
Gagner M. Comment on: laparoscopic sleeve gastrectomy as day-case ambulatory surgery. Surg Obes Relat Dis. 2019 Aug;15(8):e29-e30. doi: 10.1016/j.soard.2019.05.030. Epub 2019 May 30. PMID: 31272864.
Gagner M. Comment on: Magnetic sphincter augmentation at the time of bariatric surgery: an analysis of the MBSAQIP. Surg Obes Relat Dis. 2021 Mar;17(3):561-562. doi: 10.1016/j.soard.2020.11.024. Epub 2020 Nov 28. PMID: 33384258.
Gagner M. Comment on: Single and dual anastomosis duodenal switch for obesity treatment: a single center experience. Surg Obes Relat Dis. 2021 Jan;17(1):21-22. doi: 10.1016/j.soard.2020.10.011. Epub 2020 Oct 16. PMID: 33272854.
Gagner M. More notable developments from the Department of Surgery of the University of Montreal. Can J Surg. 2021 Apr 8;64(2):E240-E241. doi: 10.1503/cjs.2164203. PMID: 33829735; PMCID: PMC8064258.
Gagner M. Hypoabsorptive surgery is the best revisional strategy for metabolic and diabetes outcomes. Surg Obes Relat Dis. 2020 Oct;16(10):1454-1455. doi: 10.1016/j.soard.2020.06.053. Epub 2020 Jul 15. PMID: 32773146.
Gagner M. Comment on: Conversion of laparoscopic sleeve gastrectomy to Roux- en-Y gastric bypass: patterns predicting persistent symptoms after revision. Surg Obes Relat Dis. 2021 Oct;17(10):1689-1690. doi: 10.1016/j.soard.2021.06.018. Epub 2021 Jul 1. PMID: 34284960.
Gagner M. Comments on: Safety of same-day discharge after laparoscopic sleeve gastrectomy: propensity-score matched analysis of the MBSAQIP registry. Surg Obes Relat Dis. 2021 Jan;17(1):53-54. doi: 10.1016/j.soard.2020.09.009. Epub 2020 Sep 17. PMID: 33144038.
Gagner M. Comments on: Long-Term Outcomes of Primary Single-Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy (SADI-S). Surg Obes Relat Dis. 2020 Nov;16(11):1646-1647. doi: 10.1016/j.soard.2020.08.005. Epub 2020 Aug 22. PMID: 32962896.
Gagner M. Comment on: Sleeve gastrectomy versus Roux-en-Y gastric bypass in patients 65 years of age and older: a comparison of short-term outcomes. Surg Obes Relat Dis. 2021 Aug;17(8):1415-1416. doi: 10.1016/j.soard.2021.05.009. Epub 2021 May 10. PMID: 34053851.
Gagner M. Comment on: Trends in early postoperative major adverse cardiovascular and cerebrovascular events associated with bariatric surgery: an analysis of the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) data registry. Surg Obes Relat Dis. 2021 Dec;17(12):2039. doi: 10.1016/j.soard.2021.09.015. Epub 2021 Sep 28. PMID: 34656454.
Gagner M. Comments on: Improvement of glucose metabolism following rapid weight loss after bariatric surgery and its impact on reduction of visceral abdominal fat versus free fat muscle. Surg Obes Relat Dis. 2021 Jun;17(6):e23-e24. doi: 10.1016/j.soard.2021.03.012. Epub 2021 Mar 18. PMID: 33879425
Gagner M. Comment on: Sleeve gastrectomy with tailored 360° fundoplication according to Rossetti in patients affected by obesity and gastroesophageal reflux: a prospective observational study. Surg Obes Relat Dis. 2021 Jun;17(6):1067-1068. doi: 10.1016/j.soard.2021.02.021. Epub 2021 Feb 24. PMID: 33810999.
Gagner M. Comments on: Factors implicated in discharge disposition following elective bariatric surgery. Surg Obes Relat Dis. 2021 Jan;17(1):111-112. doi: 10.1016/j.soard.2020.09.008. Epub 2020 Sep 16. PMID: 33153963.
Gagner M. For whom the bell tolls? It is time to retire the classic BPD (bilio-pancreatic diversion) operation. Surg Obes Relat Dis. 2019 Jun;15(6):1029-1031. doi: 10.1016/j.soard.2019.03.029. Epub 2019 Mar 23. PMID: 31101565.
Gagner M. Comment on: The rate of bariatric and metabolic surgeries should be reported per obese populations, by using the BMS/O ratio. Surg Obes Relat Dis. 2020 Aug;16(8):1077-1079. doi: 10.1016/j.soard.2020.05.003. Epub 2020 May 25. PMID: 32622757.
Gagner M. Comment on: Banded versus nonbanded sleeve gastrectomy: 5-year results of a matched-pair analysis. Surg Obes Relat Dis. 2019 Aug;15(8):1238-1240. doi: 10.1016/j.soard.2019.05.036. Epub 2019 Jun 7. PMID: 31288970.
Gagner M. Patient preferences or surgeon-enforced preferences, when deciding between Roux-en-Y gastric bypass versus sleeve gastrectomy. Surg Obes Relat Dis. 2019 Feb;15(2):312-313. doi: 10.1016/j.soard.2019.01.003. Epub 2019 Jan 16. PMID: 30713122.
Gagner M. Comment on: Safety of adjustable gastric band conversion surgery: a systematic review and meta-analysis of the leak rate in 1- and 2-stage procedures. Surg Obes Relat Dis. 2020 Apr;16(4):e27-e28. doi: 10.1016/j.soard.2020.01.011. Epub 2020 Jan 25. PMID: 32075779.
Gagner M. Comment on "Does Sleeve Gastrectomy Expose the Distal Esophagus to Severe Reflux?." So What? Keep the Big Picture in Perspective. Ann Surg. 2021 Dec 1;274(6):e792-e793. doi: 10.1097/SLA.0000000000004385. PMID: 33086315.
Gagner M. Comment on "Comparative Effectiveness of Vertical Sleeve Gastrectomy Versus Roux-en-Y Gastric Bypass for Diabetes Treatment: A Claims- based Cohort Study" or Why Gastric Bypass Might Not be a Good Choice for Type-2 Diabetes Treatment. Ann Surg. 2021 Oct 20. doi: 10.1097/SLA.0000000000005265. Epub ahead of print. PMID: 35129511.
Gagner M. Comment on: Metabolic bone changes after bariatric surgery: 2020 update, American Society for Metabolic and Bariatric Surgery Clinical Issues Committee position statement. Surg Obes Relat Dis. 2021 Jun;17(6):1229-1230. doi: 10.1016/j.soard.2021.01.016. Epub 2021 Jan 21. PMID: 33622602.
Gagner M. Long-term results of sleeve gastrectomy maybe comparable to Roux- en-Y gastric bypass. Surg Obes Relat Dis. 2017 Apr;13(4):699-700. doi: 10.1016/j.soard.2016.11.025. Epub 2016 Dec 2. PMID: 28169204.
Gagner M. Comment on: Gastric leak after laparoscopic sleeve gastrectomy: management with endoscopic double pigtail drainage. A systematic review.
Gagner M. Strategies to decrease readmission after gastric bypass, in the long-term. Surg Obes Relat Dis. 2017 Jun;13(6):969-971. doi: 10.1016/j.soard.2017.01.020. Epub 2017 Jan 10. PMID: 28366672.
Gagner M. Comment on Brazilian Intragastric Balloon Consensus Statement (BIBC): practical recommendations based on experience of over 40,000 cases. Surg Obes Relat Dis. 2018 Feb;14(2):159-161. doi: 10.1016/j.soard.2017.11.022. Epub 2017 Nov 23. PMID: 29301731.
Gagner M. Commet on: When coronary bypass is the wrong bypass: More sleeve gastrectomies and gastric bypasses to reduce cardiovascular mortalities. Surg Obes Relat Dis. 2019 Jan;15(1):20-22. doi: 10.1016/j.soard.2018.10.034. Epub 2018 Nov 5. PMID: 30555047.
Gagner M. Comment on: concurrent bariatric surgery and paraesophageal hernia repair: comparison of sleeve gastrectomy and Roux-en-Y gastric bypass. Surg Obes Relat Dis. 2018 Jan;14(1):14-15. doi: 10.1016/j.soard.2017.10.015. Epub 2017 Oct 31. PMID: 29169828.
Gagner M. Portomesenteric vein thrombosis after sleeve gastrectomy is a known entity: what can we do about it? Surg Obes Relat Dis. 2017 Aug;13(8):1431-1433. doi: 10.1016/j.soard.2017.04.032. Epub 2017 May 4. PMID: 28625467.
Gagner M. Comment on: antral resection versus antral preservation during laparoscopic sleeve gastrectomy for severe obesity: systematic review and meta- analysis. Surg Obes Relat Dis. 2018 Jun;14(6):864-866. doi: 10.1016/j.soard.2018.04.001. Epub 2018 Apr 3. PMID: 29724683.
Gagner M, Kemmeter P. Comparison of laparoscopic sleeve gastrectomy leak rates in five staple-line reinforcement options: a systematic review. Surg Endosc. 2020 Jan;34(1):396-407. doi: 10.1007/s00464-019-06782-2. Epub 2019 Apr 16. PMID: 30993513; PMCID: PMC6946737.
Gagner M. Is It a Single Anastomosis Gastric Bypass or Is It a Single Anastomosis Biliopancreatic Diversion? Obes Surg. 2018 Oct;28(10):3295-3296. doi: 10.1007/s11695-018-3386-6. Erratum in: Obes Surg. 2018 Jul 25;: PMID: 29992420.
Gagner M. Comment on: Is there a role for bariatric surgery in patients with severe obesity and type 1 diabetes? Surg Obes Relat Dis. 2022 Apr;18(4):e21-e22. doi: 10.1016/j.soard.2022.01.009. Epub 2022 Jan 10. PMID: 35135743.
Gagner M. Comment on: The impact of bariatric surgery on the risk of hospitalization due to influenza virus infection. Surg Obes Relat Dis. 2022 Jan;18(1):e4-e5. doi: 10.1016/j.soard.2021.09.014. Epub 2021 Sep 28. PMID: 34656452; PMCID: PMC8502024.
Gagner M. Duodeno-Ileal Anastomosis with Self-Assembling Magnets: Initial Concepts and Basis of This Operation. Obes Surg. 2022 Mar;32(3):932-933. doi: 10.1007/s11695-021-05771-6. Epub 2021 Nov 8. PMID: 34748157.
Gagner M. Comment on: Effect of bariatric surgery versus medical therapy on long-term cardiovascular risk in low BMI Chinese patients with type 2 diabetes: a propensity score-matched analysis. Surg Obes Relat Dis. 2022 Apr;18(4):483-484. doi: 10.1016/j.soard.2022.01.008. Epub 2022 Jan 10. PMID: 35140052.
Gagner M. Comment on: Bariatric surgery decreases the number of hospital admissions for diastolic heart failure in subjects with severe obesity. Retrospective analysis of the US National Inpatient Sample database. Surg Obes Relat Dis. 2022 Jan;18(1):8-10. doi: 10.1016/j.soard.2021.09.016. Epub 2021 Sep 28. PMID: 34656453.
Gagner M. Metabolic Surgery Needs Stronger Scientific and Genetic Endorsements in Asian T2DM Patients with Low BMI. Obes Surg. 2022 Jan;32(1):214-215. doi: 10.1007/s11695-021-05637-x. Epub 2021 Aug 6. PMID: 34357534.
Gagner M. Correction to: Is It a Single Anastomosis Gastric Bypass or Is It a Single Anastomosis Biliopancreatic Diversion? Obes Surg. 2018 Oct;28(10):3297. doi: 10.1007/s11695-018-3423-5. Erratum for: Obes Surg. 2018 Oct;28(10):3295-3296. PMID: 30047102.
Gagner M. Toward a National Surgical Strategy for Type 2 Diabetes Resolution: Can We Do Better? JAMA Surg. 2018 Jun 1;153(6):533-534. doi: 10.1001/jamasurg.2017.6154. PMID: 29450454.
Gagner M. Comment on: early weight loss after laparoscopic sleeve gastrectomy predicts midterm weight loss in morbidly obese Asians. Surg Obes Relat Dis. 2017 Dec;13(12):1973-1974. doi: 10.1016/j.soard.2017.07.033. Epub 2017 Sep 22. PMID: 29066064.
Gagner M. Bariatric surgery tourism hidden costs? How Canada is not doing its part in covering bariatric surgery under the Canada Health Act. Can J Surg. 2017 Aug;60(4):222-223. doi: 10.1503/cjs.000217. PMID: 28730984; PMCID: PMC5529151.
Gagner M. Comment on: gastric mesenchymal tumors as incidental findings during Roux-en-Y gastric bypass. Surg Obes Relat Dis. 2018 Jan;14(1):28-29. doi: 10.1016/j.soard.2017.10.020. Epub 2017 Oct 31. PMID: 29175282.
Gagner M. What Is a Favourable Risk-Benefit Profile Concerning Metabolic Surgery for Patients with Type 2 Diabetes? Obes Surg. 2017 Apr;27(4):1067-1068. doi: 10.1007/s11695-017-2566-0. PMID: 28144799.
Gagner M. Alarmists at the Gates: Esophageal Adenocarcinoma after Sleeve Gastrectomy is Not Different than with Other Bariatric/Metabolic Surgeries. Obes Surg. 2022 Mar 12. doi: 10.1007/s11695-022-05992-3. Epub ahead of print. PMID: 35278190.
Gagner M. Side-to-side duodeno-colic anastomosis provides dramatic weight loss. A potentially strong anti-diabetic operation for type-2 diabetes. Minerva Chir. 2017 Jun;72(3):169-177. doi: 10.23736/S0026-4733.17.07312-6. Epub 2017 Feb 14. PMID: 28198178.
Gagner M. Comment on: an alternative view on the necessity of EGD prior to sleeve gastrectomy. Surg Obes Relat Dis. 2017 Dec;13(12):1964-1965. doi: 10.1016/j.soard.2017.09.525. Epub 2017 Sep 27. PMID: 29055667.
Gagner M, Shikora S. Michel Gagner-Biography. Obes Surg. 2016 Aug;26(8):1657-8. doi: 10.1007/s11695-016-2276-z. PMID: 27401182.
Gagner M. A Rocambolesque Metafiction. Obes Surg. 2019 Feb;29(2):636. doi: 10.1007/s11695-018-03632-3. PMID: 30554305.
Gagner M. Metabolic Surgery Needs Stronger Endorsement. Obes Surg. 2021 Jul;31(7):3315-3316. doi: 10.1007/s11695-021-05344-7. Epub 2021 Mar 17. PMID: 33733374.
Wharton S, Lau DCW, Vallis M, Sharma AM, Biertho L, Campbell-Scherer D, Adamo K, Alberga A, Bell R, Boulé N, Boyling E, Brown J, Calam B, Clarke C, Crowshoe L, Divalentino D, Forhan M, Freedhoff Y, Gagner M, Glazer S, Grand C, Green M, Hahn M, Hawa R, Henderson R, Hong D, Hung P, Janssen I, Jacklin K, Johnson- Stoklossa C, Kemp A, Kirk S, Kuk J, Langlois MF, Lear S, McInnes A, Macklin D, Naji L, Manjoo P, Morin MP, Nerenberg K, Patton I, Pedersen S, Pereira L, Piccinini-Vallis H, Poddar M, Poirier P, Prud'homme D, Salas XR, Rueda-Clausen C, Russell-Mayhew S, Shiau J, Sherifali D, Sievenpiper J, Sockalingam S, Taylor V, Toth E, Twells L, Tytus R, Walji S, Walker L, Wicklum S. Obesity in adults: a clinical practice guideline. CMAJ. 2020 Aug 4;192(31):E875-E891. doi: 10.1503/cmaj.191707. PMID: 32753461; PMCID: PMC7828878.
Wharton S, Lau DCW, Vallis M, Sharma AM, Biertho L, Campbell-Scherer D, Adamo K, Alberga A, Bell R, Boulé N, Boyling E, Brown J, Calam B, Clarke C, Crowshoe L, Divalentino D, Forhan M, Freedhoff Y, Gagner M, Glazer S, Grand C, Green M, Hahn M, Hawa R, Henderson R, Hong D, Hung P, Janssen I, Jacklin K, Johnson- Stoklossa C, Kemp A, Kirk S, Kuk J, Langlois MF, Lear S, McInnes A, Macklin D, Naji L, Manjoo P, Morin MP, Nerenberg K, Patton I, Pedersen S, Pereira L, Piccinini-Vallis H, Poddar M, Poirier P, Prud'homme D, Salas XR, Rueda-Clausen C, Russell-Mayhew S, Shiau J, Sherifali D, Sievenpiper J, Sockalingam S, Taylor V, Toth E, Twells L, Tytus R, Walji S, Walker L, Wicklum S. L’obésité chez l’adulte : ligne directrice de pratique clinique. CMAJ. 2020 Dec 7;192(49):E1757-E1775. French. doi: 10.1503/cmaj.191707-f. PMID: 33288515; PMCID: PMC7721377.
Rosenthal RJ; International Sleeve Gastrectomy Expert Panel, Diaz AA, Arvidsson D, Baker RS, Basso N, Bellanger D, Boza C, El Mourad H, France M, Gagner M, Galvao-Neto M, Higa KD, Himpens J, Hutchinson CM, Jacobs M, Jorgensen JO, Jossart G, Lakdawala M, Nguyen NT, Nocca D, Prager G, Pomp A, Ramos AC, Rosenthal RJ, Shah S, Vix M, Wittgrove A, Zundel N. International Sleeve Gastrectomy Expert Panel Consensus Statement: best practice guidelines based on experience of >12,000 cases. Surg Obes Relat Dis. 2012 Jan-Feb;8(1):8-19. doi: 10.1016/j.soard.2011.10.019. Epub 2011 Nov 10. PMID: 22248433.
Toniolo I, Fontanella CG, Gagner M, Stefanini C, Foletto M, Carniel EL. Computational evaluation of laparoscopic sleeve gastrectomy. Updates Surg. 2021 Dec;73(6):2253-2262. doi: 10.1007/s13304-021-01046-y. Epub 2021 Apr 4. PMID: 33817769; PMCID: PMC8606391.
Noel P, Nedelcu A, Eddbali I, Gagner M, Danan M, Nedelcu M. Five-year results after resleeve gastrectomy. Surg Obes Relat Dis. 2020 Sep;16(9):1186-1191. doi: 10.1016/j.soard.2020.04.021. Epub 2020 Apr 24. PMID: 32580923.
Nedelcu M, Manos T, Noel P, Gagner M, Palermo M, Danan M, Nedelcu A, Vilallonga R. Aortic Injuries Following Stent Deployments in Bariatric Surgery- Review of Literature. J Laparoendosc Adv Surg Tech A. 2021 Feb;31(2):171-175. doi: 10.1089/lap.2020.0731. Epub 2020 Dec 22. PMID: 33351718.
Gagner M. The Future of Sleeve Gastrectomy. Eur Endocrinol. 2016 Mar;12(1):37-38. doi: 10.17925/EE.2016.12.01.37. Epub 2016 Mar 15. PMID: 29632587; PMCID: PMC5813458.
Manos T, Nedelcu M, Nedelcu A, Gagner M, Weiss AK, Bastid C, Carandina S, Noel P. Leak After Sleeve Gastrectomy: Updated Algorithm of Treatment. Obes Surg. 2021 Nov;31(11):4861-4867. doi: 10.1007/s11695-021-05656-8. Epub 2021 Aug 29. PMID: 34455540.
Gagner M. Revisions of Gastric Bypass-A Moral Obligation. JAMA Surg. 2019 Oct 1;154(10):975. doi: 10.1001/jamasurg.2019.1740. PMID: 31215981.
Kudsi OY, Gagner M, Jones DB. Laparoscopic distal pancreatectomy. Surg Oncol Clin N Am. 2013 Jan;22(1):59-73, vi. doi: 10.1016/j.soc.2012.08.003. Epub 2012 Oct 22. PMID: 23158085.
Gagner M. Comment on: Magnetic sphincter augmentation at the time of bariatric surgery: an analysis of the MBSAQIP. Surg Obes Relat Dis. 2021 Mar;17(3):561-562. doi: 10.1016/j.soard.2020.11.024. Epub 2020 Nov 28. PMID: 33384258.
Gagner M. More notable developments from the Department of Surgery of the University of Montreal. Can J Surg. 2021 Apr 8;64(2):E240-E241. doi: 10.1503/cjs.2164203. PMID: 33829735; PMCID: PMC8064258.
Gagner M. Comment on: laparoscopic sleeve gastrectomy as day-case ambulatory surgery. Surg Obes Relat Dis. 2019 Aug;15(8):e29-e30. doi: 10.1016/j.soard.2019.05.030. Epub 2019 May 30. PMID: 31272864.
Gagner M. Comment on: Single and dual anastomosis duodenal switch for obesity treatment: a single center experience. Surg Obes Relat Dis. 2021 Jan;17(1):21-22. doi: 10.1016/j.soard.2020.10.011. Epub 2020 Oct 16. PMID: 33272854.
Gagner M. Comment on: Conversion of laparoscopic sleeve gastrectomy to Roux- en-Y gastric bypass: patterns predicting persistent symptoms after revision. Surg Obes Relat Dis. 2021 Oct;17(10):1689-1690. doi: 10.1016/j.soard.2021.06.018. Epub 2021 Jul 1. PMID: 34284960.
Gagner M. Comments on: Safety of same-day discharge after laparoscopic sleeve gastrectomy: propensity-score matched analysis of the MBSAQIP registry. Surg Obes Relat Dis. 2021 Jan;17(1):53-54. doi: 10.1016/j.soard.2020.09.009. Epub 2020 Sep 17. PMID: 33144038.
Palermo M, Nedelcu M, Nocca D, Gagner M. Cutting Edge Procedures for Upper Gastrointestinal and Bariatric Surgery. J Laparoendosc Adv Surg Tech A. 2020 Aug;30(8):868. doi: 10.1089/lap.2020.0353. Epub 2020 Jul 16. PMID: 32701047.
Gagner M. Hypoabsorptive surgery is the best revisional strategy for metabolic and diabetes outcomes. Surg Obes Relat Dis. 2020 Oct;16(10):1454-1455. doi: 10.1016/j.soard.2020.06.053. Epub 2020 Jul 15. PMID: 32773146.
Gagner M. Comments on: Long-Term Outcomes of Primary Single-Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy (SADI-S). Surg Obes Relat Dis. 2020 Nov;16(11):1646-1647. doi: 10.1016/j.soard.2020.08.005. Epub 2020 Aug 22. PMID: 32962896.
Gagner M. Comment on: Sleeve gastrectomy versus Roux-en-Y gastric bypass in patients 65 years of age and older: a comparison of short-term outcomes. Surg Obes Relat Dis. 2021 Aug;17(8):1415-1416. doi: 10.1016/j.soard.2021.05.009. Epub 2021 May 10. PMID: 34053851.
Gagner M, Hutchinson C, Rosenthal R. Fifth International Consensus Conference: current status of sleeve gastrectomy. Surg Obes Relat Dis. 2016 May;12(4):750-756. doi: 10.1016/j.soard.2016.01.022. Epub 2016 Jan 25. PMID: 27178618.
Gagner M. Comment on: Trends in early postoperative major adverse cardiovascular and cerebrovascular events associated with bariatric surgery: an analysis of the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) data registry. Surg Obes Relat Dis. 2021 Dec;17(12):2039. doi: 10.1016/j.soard.2021.09.015. Epub 2021 Sep 28. PMID: 34656454.
Gagner M. Comments on: Factors implicated in discharge disposition following elective bariatric surgery. Surg Obes Relat Dis. 2021 Jan;17(1):111-112. doi: 10.1016/j.soard.2020.09.008. Epub 2020 Sep 16. PMID: 33153963.
Gagner M. Comments on: Improvement of glucose metabolism following rapid weight loss after bariatric surgery and its impact on reduction of visceral abdominal fat versus free fat muscle. Surg Obes Relat Dis. 2021 Jun;17(6):e23-e24. doi: 10.1016/j.soard.2021.03.012. Epub 2021 Mar 18. PMID: 33879425.
Gagner M. Comment on: Sleeve gastrectomy with tailored 360° fundoplication according to Rossetti in patients affected by obesity and gastroesophageal reflux: a prospective observational study. Surg Obes Relat Dis. 2021 Jun;17(6):1067-1068. doi: 10.1016/j.soard.2021.02.021. Epub 2021 Feb 24. PMID: 33810999.
Anderson B, Gill RS, de Gara CJ, Karmali S, Gagner M. Biliopancreatic diversion: the effectiveness of duodenal switch and its limitations. Gastroenterol Res Pract. 2013;2013:974762. doi: 10.1155/2013/974762. Epub 2013 Nov 21. PMID: 24639868; PMCID: PMC3929999.
Nedelcu M, Danan M, Noel P, Gagner M, Nedelcu A, Carandina S. Surgical management for chronic leak following sleeve gastrectomy: Review of literature. Surg Obes Relat Dis. 2019 Oct;15(10):1844-1849. doi: 10.1016/j.soard.2019.03.015. Epub 2019 Mar 23. PMID: 31588005.
Gagner M. For whom the bell tolls? It is time to retire the classic BPD (bilio-pancreatic diversion) operation. Surg Obes Relat Dis. 2019 Jun;15(6):1029-1031. doi: 10.1016/j.soard.2019.03.029. Epub 2019 Mar 23. PMID: 31101565.
Manos T, Nedelcu M, Cotirlet A, Eddbali I, Gagner M, Noel P. How to treat stenosis after sleeve gastrectomy? Surg Obes Relat Dis. 2017 Feb;13(2):150-154. doi: 10.1016/j.soard.2016.08.491. Epub 2016 Oct 6. PMID: 27993491.
Dapri G, Himpens J, Biertho L, Gagner M. Three-trocar laparoscopic duodenal switch after sleeve gastrectomy. Surg Obes Relat Dis. 2018 Jun;14(6):869-873. doi: 10.1016/j.soard.2018.03.011. Epub 2018 Mar 10. PMID: 29685506.
Toro A, Gagner M, Di Carlo I. Has laparoscopy increased surgical indications for benign tumors of the liver? Langenbecks Arch Surg. 2013 Feb;398(2):195-210. doi: 10.1007/s00423-012-1012-y. Epub 2012 Oct 9. PMID: 23053460.
Gagner M. Comment on: Banded versus nonbanded sleeve gastrectomy: 5-year results of a matched-pair analysis. Surg Obes Relat Dis. 2019 Aug;15(8):1238-1240. doi: 10.1016/j.soard.2019.05.036. Epub 2019 Jun 7. PMID: 31288970.
Blackham RE, Rosenthal RJ, Higa K, Gagner M, Grantcharov TP, Hamdorf JM. Development of an International Standardized Curriculum for Laparoscopic Sleeve Gastrectomy Teaching Utilizing Modified Delphi Methodology. Obes Surg. 2021 Oct;31(10):4257-4263. doi: 10.1007/s11695-021-05572-x. Epub 2021 Jul 22. PMID: 34296371.
Gagner M. Patient preferences or surgeon-enforced preferences, when deciding between Roux-en-Y gastric bypass versus sleeve gastrectomy. Surg Obes Relat Dis. 2019 Feb;15(2):312-313. doi: 10.1016/j.soard.2019.01.003. Epub 2019 Jan 16. PMID: 30713122.
Nedelcu M, Noel P, Iannelli A, Gagner M. Revised sleeve gastrectomy (re- sleeve). Surg Obes Relat Dis. 2015 Nov-Dec;11(6):1282-8. doi: 10.1016/j.soard.2015.02.009. Epub 2015 Feb 14. PMID: 26048518.
Gagner M. Comment on "Does Sleeve Gastrectomy Expose the Distal Esophagus to Severe Reflux?." So What? Keep the Big Picture in Perspective. Ann Surg. 2021 Dec 1;274(6):e792-e793. doi: 10.1097/SLA.0000000000004385. PMID: 33086315.
Gagner M. Comment on: Safety of adjustable gastric band conversion surgery: a systematic review and meta-analysis of the leak rate in 1- and 2-stage procedures. Surg Obes Relat Dis. 2020 Apr;16(4):e27-e28. doi: 10.1016/j.soard.2020.01.011. Epub 2020 Jan 25. PMID: 32075779.
Gagner M. Comment on: Metabolic bone changes after bariatric surgery: 2020 update, American Society for Metabolic and Bariatric Surgery Clinical Issues Committee position statement. Surg Obes Relat Dis. 2021 Jun;17(6):1229-1230. doi: 10.1016/j.soard.2021.01.016. Epub 2021 Jan 21. PMID: 33622602.
Gagner M. Leaks after sleeve gastrectomy are associated with smaller bougies: prevention and treatment strategies. Surg Laparosc Endosc Percutan Tech. 2010 Jun;20(3):166-9. doi: 10.1097/SLE.0b013e3181e3d12b. PMID: 20551815.
Nedelcu M, Manos T, Gagner M, Eddbali I, Ahmed A, Noel P. Cost analysis of leak after sleeve gastrectomy. Surg Endosc. 2017 Nov;31(11):4446-4450. doi: 10.1007/s00464-017-5495-z. Epub 2017 Apr 4. PMID: 28378080.
Gagner M. Comment on "Comparative Effectiveness of Vertical Sleeve Gastrectomy Versus Roux-en-Y Gastric Bypass for Diabetes Treatment: A Claims- based Cohort Study" or Why Gastric Bypass Might Not be a Good Choice for Type-2 Diabetes Treatment. Ann Surg. 2021 Oct 20. doi: 10.1097/SLA.0000000000005265. Epub ahead of print. PMID: 35129511.
Gagner M, Buchwald JN. Comparison of laparoscopic sleeve gastrectomy leak rates in four staple-line reinforcement options: a systematic review. Surg Obes Relat Dis. 2014 Jul-Aug;10(4):713-23. doi: 10.1016/j.soard.2014.01.016. Epub 2014 Jan 28. PMID: 24745978.
Roslin MS, Gagner M, Goriparthi R, Mitzman B. The rationale for a duodenal switch as the primary surgical treatment of advanced type 2 diabetes mellitus and metabolic disease. Surg Obes Relat Dis. 2015 May-Jun;11(3):704-10. doi: 10.1016/j.soard.2014.11.017. Epub 2014 Nov 25. PMID: 25862181.
Gagner M. Comment on: Gastric leak after laparoscopic sleeve gastrectomy: management with endoscopic double pigtail drainage. A systematic review. Surg Obes Relat Dis. 2019 Aug;15(8):1419. doi: 10.1016/j.soard.2019.05.032. Epub 2019 May 30. PMID: 31272867.
Bhandari M, Fobi MAL, Buchwald JN; Bariatric Metabolic Surgery Standardization (BMSS) Working Group:. Standardization of Bariatric Metabolic Procedures: World Consensus Meeting Statement. Obes Surg. 2019 Jul;29(Suppl 4):309-345. doi: 10.1007/s11695-019-04032-x. PMID: 31297742.
Gagner M. Laparoscopic revisional surgery after malabsorptive procedures in bariatric surgery, more specifically after duodenal switch. Surg Laparosc Endosc Percutan Tech. 2010 Oct;20(5):344-7. doi: 10.1097/SLE.0b013e3181f5aa05. PMID: 20975507.
Nedelcu M, Manos T, Cotirlet A, Noel P, Gagner M. Outcome of leaks after sleeve gastrectomy based on a new algorithm adressing leak size and gastric stenosis. Obes Surg. 2015 Mar;25(3):559-63. doi: 10.1007/s11695-014-1561-y. PMID: 25589019.
Gumbs AA, Hilal MA, Croner R, Gayet B, Chouillard E, Gagner M. The initiation, standardization and proficiency (ISP) phases of the learning curve for minimally invasive liver resection: comparison of a fellowship-trained surgeon with the pioneers and early adopters. Surg Endosc. 2021 Sep;35(9):5268-5278. doi: 10.1007/s00464-020-08122-1. Epub 2020 Nov 10. PMID: 33174100.
Gagner M, Deitel M, Erickson AL, Crosby RD. Survey on laparoscopic sleeve gastrectomy (LSG) at the Fourth International Consensus Summit on Sleeve Gastrectomy. Obes Surg. 2013 Dec;23(12):2013-7. doi: 10.1007/s11695-013-1040-x. PMID: 23912263.
Gagner M. Commet on: When coronary bypass is the wrong bypass: More sleeve gastrectomies and gastric bypasses to reduce cardiovascular mortalities. Surg Obes Relat Dis. 2019 Jan;15(1):20-22. doi: 10.1016/j.soard.2018.10.034. Epub 2018 Nov 5. PMID: 30555047.
Gagner M. Comment on: concurrent bariatric surgery and paraesophageal hernia repair: comparison of sleeve gastrectomy and Roux-en-Y gastric bypass. Surg Obes Relat Dis. 2018 Jan;14(1):14-15. doi: 10.1016/j.soard.2017.10.015. Epub 2017 Oct 31. PMID: 29169828.
Gagner M. Comment on Brazilian Intragastric Balloon Consensus Statement (BIBC): practical recommendations based on experience of over 40,000 cases. Surg Obes Relat Dis. 2018 Feb;14(2):159-161. doi: 10.1016/j.soard.2017.11.022. Epub 2017 Nov 23. PMID: 29301731.
Gagner M. Long-term results of sleeve gastrectomy maybe comparable to Roux- en-Y gastric bypass. Surg Obes Relat Dis. 2017 Apr;13(4):699-700. doi: 10.1016/j.soard.2016.11.025. Epub 2016 Dec 2. PMID: 28169204.
Palermo M, Gagner M. Why We Think Laparoscopic Sleeve Gastrectomy Is a Good Operation: Step-by-Step Technique. J Laparoendosc Adv Surg Tech A. 2020 Jun;30(6):615-618. doi: 10.1089/lap.2020.0154. Epub 2020 Apr 22. PMID: 32319850.
Gagner M. Portomesenteric vein thrombosis after sleeve gastrectomy is a known entity: what can we do about it? Surg Obes Relat Dis. 2017 Aug;13(8):1431-1433. doi: 10.1016/j.soard.2017.04.032. Epub 2017 May 4. PMID: 28625467.
Gumbs AA, Chouillard E, Abu Hilal M, Croner R, Gayet B, Gagner M. The experience of the minimally invasive (MI) fellowship-trained (FT) hepatic- pancreatic and biliary (HPB) surgeon: could the outcome of MI pancreatoduodenectomy for peri-ampullary tumors be better than open? Surg Endosc. 2021 Sep;35(9):5256-5267. doi: 10.1007/s00464-020-08118-x. Epub 2020 Nov 4. PMID: 33146810.
Fischer LE, Wolfe BM, Fino N, Elman MR, Flum DR, Mitchell JE, Pomp A, Pories WJ, Purnell JQ, Patti ME; LABS Investigators. Postbariatric hypoglycemia: symptom patterns and associated risk factors in the Longitudinal Assessment of Bariatric Surgery study. Surg Obes Relat Dis. 2021 Oct;17(10):1787-1798. doi: 10.1016/j.soard.2021.04.021. Epub 2021 May 19. PMID: 34294589.
Gagner M. Strategies to decrease readmission after gastric bypass, in the long-term. Surg Obes Relat Dis. 2017 Jun;13(6):969-971. doi: 10.1016/j.soard.2017.01.020. Epub 2017 Jan 10. PMID: 28366672.
Gagner M. Comment on: antral resection versus antral preservation during laparoscopic sleeve gastrectomy for severe obesity: systematic review and meta- analysis. Surg Obes Relat Dis. 2018 Jun;14(6):864-866. doi: 10.1016/j.soard.2018.04.001. Epub 2018 Apr 3. PMID: 29724683.
Parikh M, Issa R, McCrillis A, Saunders JK, Ude-Welcome A, Gagner M. Surgical strategies that may decrease leak after laparoscopic sleeve gastrectomy: a systematic review and meta-analysis of 9991 cases. Ann Surg. 2013 Feb;257(2):231-7. doi: 10.1097/SLA.0b013e31826cc714. PMID: 23023201.
Assalia A, Gagner M, Nedelcu M, Ramos AC, Nocca D. Gastroesophageal Reflux and Laparoscopic Sleeve Gastrectomy: Results of the First International Consensus Conference. Obes Surg. 2020 Oct;30(10):3695-3705. doi: 10.1007/s11695-020-04749-0. Epub 2020 Jun 12. PMID: 32533520.
Gagner M, Kemmeter P. Comparison of laparoscopic sleeve gastrectomy leak rates in five staple-line reinforcement options: a systematic review. Surg Endosc. 2020 Jan;34(1):396-407. doi: 10.1007/s00464-019-06782-2. Epub 2019 Apr 16. PMID: 30993513; PMCID: PMC6946737.
Gagner M. Toward a National Surgical Strategy for Type 2 Diabetes Resolution: Can We Do Better? JAMA Surg. 2018 Jun 1;153(6):533-534. doi: 10.1001/jamasurg.2017.6154. PMID: 29450454.
Noel P, Nedelcu M, Eddbali I, Manos T, Gagner M. What are the long-term results 8 years after sleeve gastrectomy? Surg Obes Relat Dis. 2017 Jul;13(7):1110-1115. doi: 10.1016/j.soard.2017.03.007. Epub 2017 Mar 23. PMID: 28755888.
Gagner M. Hypoabsorption Not Malabsorption, Hypoabsorptive Surgery and Not Malabsorptive Surgery. Obes Surg. 2016 Nov;26(11):2783-2784. doi: 10.1007/s11695-016-2350-6. PMID: 27573648.
Gagner M. Comment on: The rate of bariatric and metabolic surgeries should be reported per obese populations, by using the BMS/O ratio. Surg Obes Relat Dis. 2020 Aug;16(8):1077-1079. doi: 10.1016/j.soard.2020.05.003. Epub 2020 May 25. PMID: 32622757.
Gagner M. Is It a Single Anastomosis Gastric Bypass or Is It a Single Anastomosis Biliopancreatic Diversion? Obes Surg. 2018 Oct;28(10):3295-3296. doi: 10.1007/s11695-018-3386-6. Erratum in: Obes Surg. 2018 Jul 25;: PMID: 29992420.
Franco JV, Ruiz PA, Palermo M, Gagner M. A review of studies comparing three laparoscopic procedures in bariatric surgery: sleeve gastrectomy, Roux-en-Y gastric bypass and adjustable gastric banding. Obes Surg. 2011 Sep;21(9):1458-68. doi: 10.1007/s11695-011-0390-5. PMID: 21455833.
Gagner M. Decreased incidence of leaks after sleeve gastrectomy and improved treatments. Surg Obes Relat Dis. 2014 Jul-Aug;10(4):611-2. doi: 10.1016/j.soard.2014.04.002. Epub 2014 Apr 14. PMID: 25224165.
Gagner M. Comment on: early weight loss after laparoscopic sleeve gastrectomy predicts midterm weight loss in morbidly obese Asians. Surg Obes Relat Dis. 2017 Dec;13(12):1973-1974. doi: 10.1016/j.soard.2017.07.033. Epub 2017 Sep 22. PMID: 29066064.
Merz AE, Blackstone RB, Gagner M, Torres AJ, Himpens J, Higa KD, Rosenthal RJ, Lloyd A, DeMaria EJ. Duodenal switch in revisional bariatric surgery: conclusions from an expert consensus panel. Surg Obes Relat Dis. 2019 Jun;15(6):894-899. doi: 10.1016/j.soard.2019.03.009. Epub 2019 Mar 21. PMID: 31076367.
Gagner M. Comment on: Is there a role for bariatric surgery in patients with severe obesity and type 1 diabetes? Surg Obes Relat Dis. 2022 Apr;18(4):e21-e22. doi: 10.1016/j.soard.2022.01.009. Epub 2022 Jan 10. PMID: 35135743.
Gagner M. Comment on: The impact of bariatric surgery on the risk of hospitalization due to influenza virus infection. Surg Obes Relat Dis. 2022 Jan;18(1):e4-e5. doi: 10.1016/j.soard.2021.09.014. Epub 2021 Sep 28. PMID: 34656452; PMCID: PMC8502024.
Khidir N, El-Matbouly MA, Sargsyan D, Al-Kuwari M, Bashah M, Gagner M. Five- year Outcomes of Laparoscopic Sleeve Gastrectomy: a Comparison Between Adults and Adolescents. Obes Surg. 2018 Jul;28(7):2040-2045. doi: 10.1007/s11695-018-3139-6. PMID: 29430596.
Gagner M. Is Sleeve Gastrectomy Always an Absolute Contraindication in Patients with Barrett's? Obes Surg. 2016 Apr;26(4):715-7. doi: 10.1007/s11695-015-1983-1. PMID: 26612694.
Khidir N, Gagner M, El Matbouly M, El Ansari W, Billy H, Karam M, Sargsyan D, Alkuwari M, Bashah M. Single-Port Sleeve Gastrectomy Compared With Conventional Laparoscopic Sleeve Gastrectomy: 5-Year Follow-up of Weight Loss, Comorbidity Resolution, and Cost. Surg Innov. 2020 Jun;27(3):265-271. doi: 10.1177/1553350620902550. Epub 2020 Feb 1. PMID: 32008415.
Gagner M. Laparoscopic sleeve gastrectomy is the right terminology. Surg Obes Relat Dis. 2012 Jan-Feb;8(1):127-9. doi: 10.1016/j.soard.2011.09.014. Epub 2011 Sep 28. PMID: 22047979.
Gagner M, Brown M. Update on Sleeve Gastrectomy Leak Rate with the Use of Reinforcement. Obes Surg. 2016 Jan;26(1):146-50. doi: 10.1007/s11695-015-1899-9. PMID: 26464239.
Gagner M. Obesity: Sleeve gastrectomy-the ideal choice for weight-loss surgery. Nat Rev Endocrinol. 2013 Jul;9(7):382-4. doi: 10.1038/nrendo.2013.100. Epub 2013 May 21. PMID: 23689814.
Gagner M. Bariatric surgery: To bypass or switch? That is the question in obesity surgery. Nat Rev Gastroenterol Hepatol. 2015 May;12(5):255-6. doi: 10.1038/nrgastro.2015.58. Epub 2015 Apr 14. PMID: 25869914.
Gagner M. Duodeno-Ileal Anastomosis with Self-Assembling Magnets: Initial Concepts and Basis of This Operation. Obes Surg. 2022 Mar;32(3):932-933. doi: 10.1007/s11695-021-05771-6. Epub 2021 Nov 8. PMID: 34748157.
Gagner M. Comment on: Bariatric surgery decreases the number of hospital admissions for diastolic heart failure in subjects with severe obesity. Retrospective analysis of the US National Inpatient Sample database. Surg Obes Relat Dis. 2022 Jan;18(1):8-10. doi: 10.1016/j.soard.2021.09.016. Epub 2021 Sep 28. PMID: 34656453.
Palermo M, Davrieux CF, Acquafresca PA, Gagner M, Serra E, Hougthon EJ, Finger C, Giménez ME. Percutaneous Image-Guided Abdominal Interventions for Leaks and Fistulas Following Sleeve Gastrectomy and Roux-en-Y Gastric Bypass. Obes Surg. 2019 Jul;29(7):2051-2058. doi: 10.1007/s11695-019-03824-5. PMID: 30929199.
Gagner M. Comment on: Effect of bariatric surgery versus medical therapy on long-term cardiovascular risk in low BMI Chinese patients with type 2 diabetes: a propensity score-matched analysis. Surg Obes Relat Dis. 2022 Apr;18(4):483-484. doi: 10.1016/j.soard.2022.01.008. Epub 2022 Jan 10. PMID: 35140052.
Gagner M. Comment on: Laparoscopic sleeve gastrectomy with Rossetti fundoplication: long-term (5-year) follow-up. Surg Obes Relat Dis. 2022 Jun 18:S1550-7289(22)00272-6. doi: 10.1016/j.soard.2022.06.014. Epub ahead of print. PMID: 35811290.
Gagner M. Bariatric Surgery vs Lifestyle Intervention for Type 2 Diabetes Mellitus. JAMA Surg. 2015 Oct;150(10):940. doi: 10.1001/jamasurg.2015.1542. PMID: 26132502.
Azagury D, Papasavas P, Hamdallah I, Gagner M, Kim J. ASMBS Position Statement on medium- and long-term durability of weight loss and diabetic outcomes after conventional stapled bariatric procedures. Surg Obes Relat Dis. 2018 Oct;14(10):1425-1441. doi: 10.1016/j.soard.2018.08.001. Epub 2018 Aug 11. PMID: 30242000.
Gagner M. Faster gastric emptying after laparoscopic sleeve gastrectomy. Obes Surg. 2010 Jul;20(7):964-5; author reply 966-7. doi: 10.1007/s11695-010-0086-2. PMID: 20174884.
Gagner M. Correction to: Is It a Single Anastomosis Gastric Bypass or Is It a Single Anastomosis Biliopancreatic Diversion? Obes Surg. 2018 Oct;28(10):3297. doi: 10.1007/s11695-018-3423-5. Erratum for: Obes Surg. 2018 Oct;28(10):3295-3296. PMID: 30047102.
Gagner M. Metabolic Surgery Needs Stronger Scientific and Genetic Endorsements in Asian T2DM Patients with Low BMI. Obes Surg. 2022 Jan;32(1):214-215. doi: 10.1007/s11695-021-05637-x. Epub 2021 Aug 6. PMID: 34357534.
Strain GW, Ebel F, Honohan J, Gagner M, Dakin GF, Pomp A, Gallagher D. Fat- free mass is not lower 24 months postbariatric surgery than nonoperated matched controls. Surg Obes Relat Dis. 2017 Jan;13(1):65-69. doi: 10.1016/j.soard.2016.03.003. Epub 2016 Apr 6. PMID: 27387700; PMCID: PMC5333997.
Khidir N, El-Matbouly M, Al Kuwari M, Gagner M, Bashah M. Incidence, Indications, and Predictive Factors for ICU Admission in Elderly, High-Risk Patients Undergoing Laparoscopic Sleeve Gastrectomy. Obes Surg. 2018 Sep;28(9):2603-2608. doi: 10.1007/s11695-018-3221-0. PMID: 29616465.
Noel P, Nedelcu M, Gagner M. Impact of the Surgical Experience on Leak Rate After Laparoscopic Sleeve Gastrectomy. Obes Surg. 2016 Aug;26(8):1782-7. doi: 10.1007/s11695-015-2003-1. PMID: 26712495.
Strain GW, Torghabeh MH, Gagner M, Ebel F, Dakin GF, Abelson JS, Connolly D, Pomp A. The Impact of Biliopancreatic Diversion with Duodenal Switch (BPD/DS) Over 9 Years. Obes Surg. 2017 Mar;27(3):787-794. doi: 10.1007/s11695-016-2371-1. PMID: 27686233.
Manos T, Nedelcu M, Noel P, Gagner M. Pigtails Internal Drainage for 2-cm Gastric Leak After Sleeve Gastrectomy Prolongs Healing. Obes Surg. 2015 Jul;25(7):1261-2. doi: 10.1007/s11695-015-1698-3. PMID: 25963953.
Gagner M. Alarmists at the Gates: Esophageal Adenocarcinoma after Sleeve Gastrectomy is Not Different than with Other Bariatric/Metabolic Surgeries. Obes Surg. 2022 Jul;32(7):2457-2459. doi: 10.1007/s11695-022-05992-3. Epub 2022 Mar 12. PMID: 35278190.
Deitel M, Gagner M, Erickson AL, Crosby RD. Third International Summit: Current status of sleeve gastrectomy. Surg Obes Relat Dis. 2011 Nov- Dec;7(6):749-59. doi: 10.1016/j.soard.2011.07.017. Epub 2011 Aug 10. PMID: 21945699.
Strain GW, Torghabeh MH, Gagner M, Ebel F, Dakin GF, Connolly D, Goldenberg E, Pomp A. Nutrient Status 9 Years After Biliopancreatic Diversion with Duodenal Switch (BPD/DS): an Observational Study. Obes Surg. 2017 Jul;27(7):1709-1718. doi: 10.1007/s11695-017-2560-6. PMID: 28155056.
Gagner M. Intra-operative sphincterotomy and ERCP for choledocholithiasis during laparoscopic cholecystectomy. Surgery. 2010 Mar;147(3):463. doi: 10.1016/j.surg.2009.01.023. PMID: 20176247.
Gagner M. Bariatric surgery saves lives. CMAJ. 2015 Jun 16;187(9):681. doi: 10.1503/cmaj.1150042. PMID: 26078475; PMCID: PMC4467936.
Gagner M. Bariatric surgery tourism hidden costs? How Canada is not doing its part in covering bariatric surgery under the Canada Health Act. Can J Surg. 2017 Aug;60(4):222-223. doi: 10.1503/cjs.000217. PMID: 28730984; PMCID: PMC5529151.
Aiolfi A, Gagner M, Zappa MA, Lastraioli C, Lombardo F, Panizzo V, Bonitta G, Cavalli M, Campanelli G, Bona D. Staple Line Reinforcement During Laparoscopic Sleeve Gastrectomy: Systematic Review and Network Meta-analysis of Randomized Controlled Trials. Obes Surg. 2022 May;32(5):1466-1478. doi: 10.1007/s11695-022-05950-z. Epub 2022 Feb 16. PMID: 35169954; PMCID: PMC8986671.
Gagner M. Comment on: gastric mesenchymal tumors as incidental findings during Roux-en-Y gastric bypass. Surg Obes Relat Dis. 2018 Jan;14(1):28-29. doi: 10.1016/j.soard.2017.10.020. Epub 2017 Oct 31. PMID: 29175282.
Gagner M. Comment on: Laparoscopic sleeve gastrectomy as day-case surgery versus conventional hospitalization: results of the DAYSLEEVE randomized clinical trial. Surg Obes Relat Dis. 2022 Jun 17:S1550-7289(22)00271-4. doi: 10.1016/j.soard.2022.06.013. Epub ahead of print. PMID: 35811292.
Gagner M. Sleeve gastrectomy: an ideal choice for T2DM. Nat Rev Endocrinol. 2013 Oct;9(10):623. doi: 10.1038/nrendo.2013.100-c2. Epub 2013 Aug 13. PMID: 23938280.
Del Genio G, Gagner M, Limongelli P, Tolone S, Pournaras D, le Roux CW, Brusciano L, Licia Mozzillo A, Del Genio F, Docimo L. Remission of type 2 diabetes in patients undergoing biliointestinal bypass for morbid obesity: a new surgical treatment. Surg Obes Relat Dis. 2016 May;12(4):815-821. doi: 10.1016/j.soard.2015.12.003. Epub 2015 Dec 7. PMID: 27150339.
Nedelcu M, Loureiro M, Skalli M, Galtier F, Jaussent A, Deloze M, Gagner M, Fabre JM, Nocca D. Laparoscopic sleeve gastrectomy: Effect on long-term remission for morbidly obese patients with type 2 diabetes at 5-year follow up. Surgery. 2017 Oct;162(4):857-862. doi: 10.1016/j.surg.2017.02.018. Epub 2017 Jul 22. PMID: 28739091.
Zhang F, Strain GW, Lei W, Dakin GF, Gagner M, Pomp A. Changes in lipid profiles in morbidly obese patients after laparoscopic sleeve gastrectomy (LSG). Obes Surg. 2011 Mar;21(3):305-9. doi: 10.1007/s11695-010-0285-x. PMID: 20859769.
Saif T, Strain GW, Dakin G, Gagner M, Costa R, Pomp A. Evaluation of nutrient status after laparoscopic sleeve gastrectomy 1, 3, and 5 years after surgery. Surg Obes Relat Dis. 2012 Sep-Oct;8(5):542-7. doi: 10.1016/j.soard.2012.01.013. Epub 2012 Feb 1. PMID: 22398110; PMCID: PMC5826664.
Noel P, Nedelcu M, Nocca D, Schneck AS, Gugenheim J, Iannelli A, Gagner M. Revised sleeve gastrectomy: another option for weight loss failure after sleeve gastrectomy. Surg Endosc. 2014 Apr;28(4):1096-102. doi: 10.1007/s00464-013-3277-9. Epub 2013 Oct 30. PMID: 24170068.
Gagner M. Effect of sleeve gastrectomy on type 2 diabetes as an alternative to Roux-en-Y gastric bypass: a better long-term strategy. Surg Obes Relat Dis. 2015 Nov-Dec;11(6):1280-1. doi: 10.1016/j.soard.2015.03.009. Epub 2015 Mar 24. PMID: 26048520.
Huang R, Gagner M. A Thickness Calibration Device Is Needed to Determine Staple Height and Avoid Leaks in Laparoscopic Sleeve Gastrectomy. Obes Surg. 2015 Dec;25(12):2360-7. doi: 10.1007/s11695-015-1705-8. PMID: 26024735; PMCID: PMC4644197.
Gagner M, Huang RY. Comparison between orogastric tube/bougie and a suction calibration system for effects on operative duration, staple-line corkscrewing, and esophageal perforation during laparoscopic sleeve gastrectomy. Surg Endosc. 2016 Apr;30(4):1648-55. doi: 10.1007/s00464-015-4399-z. Epub 2015 Jul 14. PMID: 26169646; PMCID: PMC4802001.
Yung E, Gagner M, Pomp A, Dakin G, Milone L, Strain G. Cost comparison of reusable and single-use ultrasonic shears for laparoscopic bariatric surgery. Obes Surg. 2010 Apr;20(4):512-8. doi: 10.1007/s11695-008-9723-4. Epub 2008 Nov 18. PMID: 19015932.
Sinha N, Shieh A, Stein EM, Strain G, Schulman A, Pomp A, Gagner M, Dakin G, Christos P, Bockman RS. Increased PTH and 1.25(OH)(2)D levels associated with increased markers of bone turnover following bariatric surgery. Obesity (Silver Spring). 2011 Dec;19(12):2388-93. doi: 10.1038/oby.2011.133. Epub 2011 May 26. PMID: 21617641; PMCID: PMC3411200.
Noel P, Schneck AS, Nedelcu M, Lee JW, Gugenheim J, Gagner M, Iannelli A. Laparoscopic sleeve gastrectomy as a revisional procedure for failed gastric banding: lessons from 300 consecutive cases. Surg Obes Relat Dis. 2014 Nov- Dec;10(6):1116-22. doi: 10.1016/j.soard.2014.02.045. Epub 2014 Mar 15. PMID: 25002328.
Strain GW, Saif T, Gagner M, Rossidis M, Dakin G, Pomp A. Cross-sectional review of effects of laparoscopic sleeve gastrectomy at 1, 3, and 5 years. Surg Obes Relat Dis. 2011 Nov-Dec;7(6):714-9. doi: 10.1016/j.soard.2011.08.021. Epub 2011 Sep 16. PMID: 22014484.
Gagner M. What Is a Favourable Risk-Benefit Profile Concerning Metabolic Surgery for Patients with Type 2 Diabetes? Obes Surg. 2017 Apr;27(4):1067-1068. doi: 10.1007/s11695-017-2566-0. PMID: 28144799.
Pulvirenti E, Toro A, Gagner M, Mannino M, Di Carlo I. Increased rate of cholecystectomies performed with doubtful or no indications after laparoscopy introduction: a single center experience. BMC Surg. 2013 May 31;13:17. doi: 10.1186/1471-2482-13-17. PMID: 23724992; PMCID: PMC3679744.
Gagner M, Selzer F, Belle SH, Bessler M, Courcoulas AP, Dakin GF, Davis D, Inabnet WB, Mitchell JE, Pomp A, Strain GW, Pories WJ, Wolfe BM. Adding chemoprophylaxis to sequential compression might not reduce risk of venous thromboembolism in bariatric surgery patients. Surg Obes Relat Dis. 2012 Nov- Dec;8(6):663-70. doi: 10.1016/j.soard.2012.07.008. Epub 2012 Jul 31. PMID: 22963819; PMCID: PMC3498574.
Strain GW, Saif T, Ebel F, Dakin GF, Gagner M, Costa R, Chiu YL, Pomp A. Lipid profile changes in the severely obese after laparoscopic sleeve gastrectomy (LSG), 1, 3, and 5 years after surgery. Obes Surg. 2015 Feb;25(2):285-9. doi: 10.1007/s11695-014-1351-6. PMID: 24980087.
Parikh M, Heacock L, Gagner M. Laparoscopic "gastrojejunal sleeve reduction" as a revision procedure for weight loss failure after roux-en-y gastric bypass. Obes Surg. 2011 May;21(5):650-4. doi: 10.1007/s11695-010-0274-0. PMID: 20835779.
Gagner M. Laparoscopic sleeve gastrectomy with duodenojejunal bypass for severe obesity and/or type 2 diabetes may not require duodenojejunal bypass initially. Obes Surg. 2010 Sep;20(9):1323-4; author reply 1325-6. doi: 10.1007/s11695-010-0172-5. PMID: 20411348.
Gagner M. Intragastric balloons appear safer and better than the endoscopic duodenojejunal bypass liners (DJBL) for preoperative weight loss in bariatric surgery. Gastrointest Endosc. 2011 Apr;73(4):850-1; author reply 851-2. doi: 10.1016/j.gie.2010.07.041. PMID: 21457827.
Nguyen NT, Dakin G, Needleman B, Pomp A, Mikami D, Provost DA, Scott DJ, Jones DB, Gallagher S, Gagner M, Murr M. Effect of staple height on gastrojejunostomy during laparoscopic gastric bypass: a multicenter prospective randomized trial. Surg Obes Relat Dis. 2010 Sep-Oct;6(5):477-82. doi: 10.1016/j.soard.2010.03.294. Epub 2010 May 21. PMID: 20870179.
Gagner M. Surgical treatment of nonseverely obese patients with type 2 diabetes mellitus: sleeve gastrectomy with ileal transposition (SGIT) is the same as the neuroendocrine brake (NEB) procedure or ileal interposition associated with sleeve gastrectomy (II-SG), but ileal interposition with diverted sleeve gastrectomy (II-DSG) is the same as duodenal switch. Surg Endosc. 2011 Feb;25(2):655-6. doi: 10.1007/s00464-010-1221-9. PMID: 20614137.
Gagner M. Laparoscopic sleeve gastrectomy with ileal interposition (SGIT): a modified duodenal switch for resolution of type 2 diabetes mellitus in lesser obese patients (BMI < 35). World J Surg. 2011 Jan;35(1):109-10. doi: 10.1007/s00268-010-0845-1. PMID: 21052995.
Sato T, Yamaguchi S, Harada M, Gagner M. Long-term outcome of laparoscopic resection for stage IV colorectal cancer. Hepatogastroenterology. 2014 Nov- Dec;61(136):2232-5. PMID: 25699358.
Gagner M. Small incision, big surgeon: Laparoscopic liver resection for tumors without a doubt: Comment on "Laparoscopic Liver Resection for Malignant and Benign Lesions: Ten-Year Norwegian Single-Center Experience". Arch Surg. 2010 Jan;145(1):40-1. doi: 10.1001/archsurg.2009.225. PMID: 20088098.
Trelles N, Gagner M, Palermo M, Pomp A, Dakin G, Parikh M. Gastrocolic fistula after re-sleeve gastrectomy: outcomes after esophageal stent implantation. Surg Obes Relat Dis. 2010 May-Jun;6(3):308-12. doi: 10.1016/j.soard.2009.08.015. Epub 2009 Nov 10. PMID: 20060368.
Gagner M, Milone L, Gumbs A, Turner P. Laparoscopic repair of left lumbar hernia after laparoscopic left nephrectomy. JSLS. 2010 Jul-Sep;14(3):405-9. doi: 10.4293/108680810X12924466007322. PMID: 21333197; PMCID: PMC3041040.
Gagner M. Safety and efficacy of a side-to-side duodeno-ileal anastomosis for weight loss and type-2 diabetes: duodenal bipartition, a novel metabolic surgery procedure. Ann Surg Innov Res. 2015 Oct 14;9:6. doi: 10.1186/s13022-015-0015-0. PMID: 26473004; PMCID: PMC4607140.
Trelles N, Gagner M. Laparoscopic revision of gastric banding to biliopancreatic diversion with duodenal switch. Surg Obes Relat Dis. 2010 Mar 4;6(2):200-2. doi: 10.1016/j.soard.2009.07.002. Epub 2009 Jul 17. PMID: 19733512.
Gagner M. Side-to-side duodeno-colic anastomosis provides dramatic weight loss. A potentially strong anti-diabetic operation for type-2 diabetes. Minerva Chir. 2017 Jun;72(3):169-177. doi: 10.23736/S0026-4733.17.07312-6. Epub 2017 Feb 14. PMID: 28198178.
Strain GW, Faulconbridge L, Crosby RD, Kolotkin RL, Heacock L, Gagner M, Dakin G, Pomp A. Health-related quality of life does not vary among patients seeking different surgical procedures to assist with weight loss. Surg Obes Relat Dis. 2010 Sep-Oct;6(5):521-5. doi: 10.1016/j.soard.2010.03.291. Epub 2010 Apr 7. PMID: 20598948.
Sato T, Kato Y, Matsuura M, Gagner M. Significance of palisading longitudinal esophagus vessels: identification of the true esophagogastric junction has histopathological and oncological considerations. Dig Dis Sci. 2010 Nov;55(11):3095-101. doi: 10.1007/s10620-010-1132-6. Epub 2010 Feb 13. PMID: 20155323.
Strain GW, Gagner M, Pomp A, Dakin G, Inabnet WB, Saif T. Comparison of fat-free mass in super obesity (BMI ≥ 50 kg/m2) and morbid obesity (BMI <50 kg/m2) in response to different weight loss surgeries. Surg Obes Relat Dis. 2012 May-Jun;8(3):255-9. doi: 10.1016/j.soard.2011.09.028. Epub 2011 Oct 20. PMID: 22118843.
Boza C, Muñoz R, Yung E, Milone L, Gagner M. Sleeve gastrectomy with ileal transposition (SGIT) induces a significant weight loss and diabetes improvement without exclusion of the proximal intestine. J Gastrointest Surg. 2011 Jun;15(6):928-34. doi: 10.1007/s11605-010-1369-6. Epub 2011 Mar 24. PMID: 21431992.
Gagner M. Comment on: an alternative view on the necessity of EGD prior to sleeve gastrectomy. Surg Obes Relat Dis. 2017 Dec;13(12):1964-1965. doi: 10.1016/j.soard.2017.09.525. Epub 2017 Sep 27. PMID: 29055667.
Shah S, Shah P, Todkar J, Gagner M, Sonar S, Solav S. Prospective controlled study of effect of laparoscopic sleeve gastrectomy on small bowel transit time and gastric emptying half-time in morbidly obese patients with type 2 diabetes mellitus. Surg Obes Relat Dis. 2010 Mar 4;6(2):152-7. doi: 10.1016/j.soard.2009.11.019. Epub 2009 Dec 22. PMID: 20189465.
Purnell JQ, Selzer F, Smith MD, Berk PD, Courcoulas AP, Inabnet WB, King WC, Pender J, Pomp A, Raum WJ, Schrope B, Steffen KJ, Wolfe BM, Patterson EJ; LABS Research Group. Metabolic syndrome prevalence and associations in a bariatric surgery cohort from the Longitudinal Assessment of Bariatric Surgery-2 study. Metab Syndr Relat Disord. 2014 Mar;12(2):86-94. doi: 10.1089/met.2013.0116. Epub 2013 Dec 31. PMID: 24380645; PMCID: PMC3942706.
Palermo M, Trelles N, Gagner M. Laparoscopic revisional hepaticojejunostomy for biliary stricture after open repair following common bile duct injury: a case report. Surg Innov. 2011 Mar;18(1):105-9. doi: 10.1177/1553350610395033. Epub 2011 Jan 19. PMID: 21247959.
Walewski JL, Ge F, Gagner M, Inabnet WB, Pomp A, Branch AD, Berk PD. Adipocyte accumulation of long-chain fatty acids in obesity is multifactorial, resulting from increased fatty acid uptake and decreased activity of genes involved in fat utilization. Obes Surg. 2010 Jan;20(1):93-107. doi: 10.1007/s11695-009-0002-9. Epub 2009 Oct 29. PMID: 19866242; PMCID: PMC2956591.
Gagner M. Laparoscopic jejunal sleeve: a simple and ideal new technique for revision of Roux-en-Y gastric bypass after weight regains technical aspects. Surg Technol Int. 2010 Oct;20:147-52. PMID: 21082560.
Palermo M, Trelles N, Gagner M, Pomp A, Dakin G, Parikh M. Intra-abdominal recurrent abscess following sleeve gastrectomy. Acta Gastroenterol Latinoam. 2011 Sep;41(3):185, 266. PMID: 22232992.
Sato T, Yamaguchi S, Ozawa S, Ishii T, Tashiro J, Hosonuma T, Koyama I, Gagner M. Is laparoscopic surgery a contraindication in patients with severe senile kyphosis? Hepatogastroenterology. 2010 Sep-Oct;57(102-103):1095-8. PMID: 21410038.
Gagner M. Experience of 15 years using the 25-mm flexed end to end anastomosis anvil for safe transoral passage during intracorporeal circular- stapling gastrojejunostomy, esophagogastrostomy, and esophagojejunostomy. Surg Endosc. 2011 Apr;25(4):1339-40. doi: 10.1007/s00464-010-1274-9. PMID: 20721582.
Gagner M. High-pressure carbon dioxide pneumoperitoneum before major liver resection in a rat model is not realistic and cannot be transposed to humans when studying liver regeneration. Surg Endosc. 2011 Mar;25(3):988-9. doi: 10.1007/s00464-010-1263-z. PMID: 20665050.
Palermo M, Gagner M, Trelles N. Repair of a common bile duct injury. Acta Gastroenterol Latinoam. 2011 Jun;41(2):92, 175. PMID: 21894719.
Gagner M. Needlescopic splenectomy: a safer alternative to single incision laparoscopic splenectomy (SILS). J Gastrointest Surg. 2010 Sep;14(9):1473. doi: 10.1007/s11605-010-1266-z. Epub 2010 Jul 2. PMID: 20596787.
Gagner M. Conversion of adjustable gastric banding to Roux-en-Y gastric bypass: not as optimal as primary gastric bypass? JAMA Surg. 2014 Aug;149(8):786-7. doi: 10.1001/jamasurg.2014.634. PMID: 24941970.
Sato T, Yamaguchi S, Harada M, Koyama I, Gagner M. Impact of laparoscopic surgery on survival of patients with small bowel adenocarcinoma and peritoneal metastasis. Hepatogastroenterology. 2014 Nov-Dec;61(136):2253-5. PMID: 25699362.