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Become a member and receive career-enhancing benefits

Our top priority is providing value to members. Your Member Services team is here to ensure you maximize your ACS member benefits, participate in College activities, and engage with your ACS colleagues. It's all here.

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Roux-en-Y Gastric Bypass Associated with Superior Long-Term Outcomes Compared with Sleeve Gastrectomy

March 4, 2025

Kraljevic M, Susstrunk J, Wolnerhanssen BK, et al. Long-Term Outcomes of Laparoscopic Roux-en-Y Gastric Bypass vs Laparoscopic Sleeve Gastrectomy for Obesity: The SM-BOSS Randomized Clinical Trial. JAMA Surg. 2025; in press.

This article reported outcomes (weight and metabolic, reoperation rates, quality of life) from a secondary analysis of the SM-BOSS randomized prospective trial comparing Roux-en-Y gastric bypass (n = 110) with sleeve gastrectomy (n = 107). All included patients from the four included Swiss bariatric centers were classified as severely obese prior to the index operation.

Data were available for at least 10 years following the index procedure. The data analysis showed that excess BMI loss was 65.2% for Roux-en-Y gastric bypass compared with 60.6% for sleeve gastrectomy. Patients undergoing sleeve gastrectomy had significantly higher reoperation rates due to insufficient weight loss and higher rates of gastroesophageal reflux.

The authors concluded that Roux-en-Y gastric bypass was associated with superior long-term outcomes compared with sleeve gastrectomy.

In This Issue

Exercise and Nutritional Support Are Effective Prehabilitation Interventions
ACS Brief

Exercise and Nutritional Support Are Effective Prehabilitation Interventions

This study reported a systematic review of literature performed to identify the prehabilitation components associated with better patient outcomes.
ACS Brief

VIDEO: Surgeon Discusses Validation of POTTER in Emergency Laparotomy

Listen to Dr. Vahe Panossian discuss his recent article which validates the POTTER calculator as accurate and user-friendly.

Join March 13 Fireside Chat with Dr. Keith Lillemoe, Chief of Surgery at MGH
ACS Brief

Join March 13 Fireside Chat with Dr. Keith Lillemoe, Chief of Surgery at MGH

Dr. Lillemoe has a long history of service as a surgical educator at Johns Hopkins Hospital, the Indiana University School of Medicine, and Harvard.
Women in Surgery Committee Seeks Mentors, Mentees
ACS Brief

Women in Surgery Committee Seeks Mentors, Mentees

Applicants must be ACS Fellows, Associate Fellows, or in the process of applying for ACS Fellowship—apply by May 15.
Take ACS Virtual Course on AI and Machine Learning in Surgery to Learn about Emerging Technology
ACS Brief

Take ACS Virtual Course on AI and Machine Learning in Surgery to Learn about Emerging Technology

This course highlights the essential principles of AI and ML and their application to support decision-making and enhance surgical care.
Children’s Hospital Reduces G-Tube Dislodgement with ACS QI Principles
ACS Brief

Children’s Hospital Reduces G-Tube Dislodgement with ACS QI Principles

Read about how quality improvement principles can lead to reductions in a complication for pediatric patients in need of enteral feeding tubes.
Opt In to Automatic CME Credit Reporting to ABS
ACS Brief

Opt In to Automatic CME Credit Reporting to ABS

Read more about how to qualify and sign up for automatic transmission of CME data.
Surgeon Performs First Living Mitral Valve Replacement
ACS Brief

Surgeon Performs First Living Mitral Valve Replacement

Dr. Joseph Turek, chief of pediatric cardiac surgery at Duke University School of Medicine, led the procedure alongside a large care team.

Two Surgical Disciplines Rank in 100 Best Jobs Report
ACS Brief

Two Surgical Disciplines Rank in 100 Best Jobs Report

Find out which two specialties made the top 100, and hear from surgeons who love their job.
Early Career Surgeons Can Make an Impact at the ACS
ACS Brief

Early Career Surgeons Can Make an Impact at the ACS

From serving as a Regent or Governor to taking roles within RAS or YFA, there are many opportunities for members to enhance engagement with the ACS.
Preoperative SGLT2 Inhibitor Use for Diabetic Patients Does Not Increase Ketoacidosis
ACS Brief

Preoperative SGLT2 Inhibitor Use for Diabetic Patients Does Not Increase Ketoacidosis

The FDA currently supports temporary discontinuation of SGLT2 inhibitors prior to surgery.