Repeat sleeve gastrectomy compared with primary sleeve gastrectomy: a single-center, matched case study.

Area of Science:

• Bariatric Surgery
• Gastroenterology
• Obesity Medicine

Background:

• Longitudinal sleeve gastrectomy (LSG) is an established bariatric procedure for morbid obesity.
• Treatment failures can occur months after LSG, often necessitating further surgical intervention.
• Malabsorptive procedures are typically recommended following LSG failure.

Purpose of the Study:

• To evaluate the efficacy and safety of repeat sleeve gastrectomy (re-SG) compared to first-line SG.
• To assess outcomes including operative time, complications, and weight loss following re-SG.

Main Methods:

• Retrospective matched-cohort study comparing 15 patients who underwent re-SG with 30 patients who had undergone first-line SG.
• Patients were matched for age, gender, BMI, and comorbidities.
• Efficacy was assessed using intra-operative and postoperative data, including Excess Weight Loss (EWL) at 12 months.

Main Results:

• The re-SG group had a significantly longer mean operating time (116 vs. 86 minutes).
• The postoperative complication rate was higher in the re-SG group, with two cases of gastric fistula and one mortality.
• At 12 months, EWL was 66% in the re-SG group versus 77% in the first-line SG group (p=0.05).

Conclusions:

• Repeat sleeve gastrectomy (re-SG) is technically feasible for managing morbid obesity treatment failures.
• Re-SG is associated with an increased risk of complications and a trend towards lower EWL compared to primary LSG.
• Despite potential risks, re-SG can achieve weight loss results comparable to those of initial LSG.