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Safety of Revision Sleeve Gastrectomy Compared to Roux-Y Gastric Bypass After Failed Gastric Banding

Analysis of the MBSAQIP

Janik, Michał R., MD, PhD*,†; Rogula, Tomasz G., MD, PhD*,‡; Mustafa, Rami R., MD*; Alhaj Saleh, Adel, MD*; Khaitan, Leena, MD, MPH*

doi: 10.1097/SLA.0000000000002559

Objective: The aim of this study was to assess the safety of revisional surgery to laparoscopic sleeve gastrectomy (LSG) compared to laparoscopic Roux-Y gastric bypass (LRYGB) after failed laparoscopic adjustable gastric banding (LAGB).

Background: The number of reoperations after failed gastric banding rapidly increased in the United States during the last several years. A common approach is band removal with conversion to another weight loss procedure such as gastric bypass or sleeve gastrectomy in a single procedure. The safety profile of those procedures remains controversial.

Methods: Preoperative characteristics and 30-day outcomes from the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program Participant Use Files 2015 were selected for all patients who underwent a 1-stage conversion of LAGB to LSG (conv-LSG) or LRYGB (conv-LRYGB). Conv-LSG cases were matched (1:1) with conv-LRYGB patients by age (±1 year), body mass index (±1 kg/m2), sex, and comorbidities including diabetes, hypertension, hyperlipidemia, venous stasis, and sleep apnea.

Results: A total of 2708 patients (1354 matched pairs) were included in the study. The groups were closely matched as intended. The mean operative time in conv-LRYGB was significantly longer in comparison to conv-LSG patients (151 ± 58 vs 113 ± 45 minutes, P < 0.001). No mortality was observed in either group. Patients after conv-LRYGB had a clinically increased anastomotic leakage rate (2.07% vs 1.18%, P = 0.070) and significantly increased bleed rate (2.66% vs 0.44%, P < 0.001). Thirty-day readmission rate was significantly higher in conv-LRYGB patients (7.46% vs 3.69%, P < 0.001), as was 30-day reoperation rate (3.25% vs 1.26%, P < 0.001). The length of hospital stay was longer in conv-LRYGB.

Conclusions: A single-stage conversion of failed LAGB leads to greater morbidity and higher complication rates when converted to LRYGB versus LSG in the first 30 days postoperatively. These differences are particularly notable with regards to bleed events, 30-day reoperation, 30-day readmission, operative time, and hospital stay.

*University Hospital Cleveland Medical Center/Case Western Reserve University School of Medicine, Cleveland, OH, USA

Department of General, Oncologic, Metabolic and Thoracic Surgery, Military Institute of Medicine, Warszawa, Poland

Faculty of Medicine and Health Sciences, Jan Kochanowski University, Kielce, Poland.

Reprints: Michał R. Janik, MD, PhD, Radziwie 7/370, 01–164 Warszawa, Poland. E-mail:

Disclosures: The American College of Surgeons Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program and the centers participating in the ACS MBSAQIP are the source of the data used herein; they have not verified and are not responsible for the statistical validity of the data analysis or the conclusions derived by the authors.

The authors report no conflicts of interest.

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