Long-term Outcomes of Laparoscopic Sleeve Gastrectomy as a Revisional Procedure Following Adjustable Gastric Banding: Variations in Outcomes Based on Indication
Obesity surgery(2023)
Abstract
Background Significant controversy exists regarding the indications and outcomes after laparoscopic adjustable gastric banding (LAGB) conversions to laparoscopic sleeve gastrectomy (LSG). Aim To comprehensively determine the long-term outcomes of sleeve gastrectomy as a revisional procedure after LAGB across a range of measures and determine predictors of outcomes. Methods Six hundred revision LSG (RLSG) and 1200 controls (primary LSG (PLSG)) were included. Patient demographics, complications, follow-up, and patient-completed questionnaires were collected. Results RLSG vs controls; females 87% vs 78.8%, age 45 ± 19.4 vs 40.6 ± 10.6 years, p = 0.561; baseline weight 119.7 ± 26.2 vs 120.6 ± 26.5 kg p = 0.961) . Follow-up was 87% vs 89.3%. Weight loss in RLSG at 5 years, 22.9% vs 29.6% TBWL, p = 0.001, 10 years: 19.5% vs 27% TBWL, p = 0.001. RLSG had more complications (4.8 vs 2.0% RR 2.4, p = 0.001), re-admissions (4.3 vs 2.4% RR 1.8, p = 0.012), staple line leaks (2.5 vs 0.9%, p = 0.003). Eroded bands and baseline weight were independent predictors of complications after RLSG. Long-term re-operation rate was 7.3% for RLSG compared to 3.2% in controls. Severe oesophageal dysmotility predicted poor weight loss. RLSG reported lower quality of life scores (SF-12 physical component scores 75.9 vs 88%, p = 0.001), satisfaction (69 vs 93%, p = 0.001) and more frequent regurgitation (58% vs 42%, p = 0.034). Conclusion RLSG provides long-term weight loss, although peri-operative complications are significantly elevated compared to PLSG. Longer-term re-operation rates are elevated compared to PLSG. Four variables predicted worse outcomes: eroded band, multiple prior bands, severe oesophageal dysmotility and elevated baseline weight. Graphical Abstract
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Key words
Bariatric outcome,Laparoscopic sleeve gastrectomy,Bariatric revision surgery
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