Preoperative Hypoalbuminemia is Associated With an Increased Risk of Mortality in Patients With BMI ≥50 Undergoing Bariatric Surgery: Propensity Score Matching Analysis Using the 2015-2022 MBSAQIP Database

The American Surgeon 2026

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Authors: Jessica Biller, Alba S Zevallos, Oscar Tuesta, Adrián Riva-Moscoso, Nina Entcheva, Gina Lynn Adrales, Christina Li, Michael Schweitzer, Raul Sebastian
DOI: 10.1177/00031348261423919
Cited by: 0
References: 19

Abstract

Background Hypoalbuminemia is associated with worse postoperative outcomes, but data is limited in the bariatric population. Patients with BMI ≥50 may represent a higher-risk group for malnutrition. Methods We analyzed MBSAQIP data (2015-2022) for patients undergoing sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB). Propensity score matching was used to control for 22 preoperative variables. We compared 30-day outcomes and bariatric-specific complications in patients with albumin

Fields of Study & Subjects

Bariatric Surgery and Outcomes Clinical Nutrition and Gastroenterology Cardiac Anesthesia and Surgical Outcomes

Publication details

Journal / source
The American Surgeon
Volume
92
Issue
7
Pages
1982–1990
Publication date
7 February 2026
Language
EN