Postoperative complications in bariatric surgery using age and BMI stratification: a study using ACS-NSQIP data

Area of Science:

• Bariatric Surgery
• Surgical Outcomes
• Obesity Management

Background:

• Bariatric surgery offers long-term weight loss and reduced morbidity.
• Post-operative morbidity and mortality rates are generally low.
• Understanding trends in these outcomes based on patient factors is crucial.

Purpose of the Study:

• To define the trend of morbidity and mortality in relation to increasing age and body mass index (BMI) in bariatric surgery patients.
• To compare risks across different bariatric procedures.

Main Methods:

• Analysis of the ACS/NSQIP 2010-2011 Public Use File.
• Inclusion of patients undergoing laparoscopic adjustable gastric banding (LAGB), sleeve gastrectomy (LSG), and gastric bypass (LGBP).
• Logistic regression to assess the impact of age and BMI on morbidity.

Main Results:

• Reviewed 20,308 procedures: 11,617 LGBP, 3,069 LSG, 5,622 LAGB.
• Overall mortality was 0.11% and morbidity was 3.84%.
• Postoperative complication odds increased with age and BMI; LGBP and LSG had higher risks than LAGB.

Conclusions:

• Morbidity and mortality show a predictable increase with age and BMI.
• Stapling procedures (LGBP, LSG) carry higher morbidity risks than gastric banding (LAGB).
• Data aids in preoperative counseling and patient selection for bariatric surgery.