Non-response After Gastric Bypass and Sleeve Gastrectomy—the Theoretical Need for Revisional Bariatric Surgery: Results from the Scandinavian Obesity Surgery Registry
OBESITY SURGERY(2023)
摘要
Background Revisional surgery is a second-line treatment option after sleeve gastrectomy (SG) and gastric bypass (GBP) in patients with primary or secondary non-response. The aim was to analyze the theoretical need for revisional surgery after SG and GBP when applying four indication benchmarks. Method Based on data from the Scandinavian Obesity Surgery Registry, SG and GBP were compared regarding four endpoints: 1. excess weight loss (%EWL) < 50%, 2. weight regain of more than 10 kg after nadir, 3. fulfillment of previous IFSO-guidelines, or 4. ADA criteria for bariatric metabolic surgery 2 years after primary surgery. Results A total of 60,426 individuals were included in the study (SG: n = 7856 and GBP: n = 52,570). Compared to patients in the GBP group, more SG patients failed to achieve a %EWL > 50% (23.0% versus 8.5%, p < .001), regained more than 10 kg after nadir (4.3% versus 2.5%, p < .001), and more often fulfilled the IFSO criteria (8.0% versus 4.5%, p < .001) or the ADA criteria (3.3% versus 1.8%, p < 001) at the 2-year follow-up. Conclusion SG is associated with a higher risk for weight non-response compared to GBP. To offer revisional bariatric surgery to all non-responders exceeds the bounds of feasibility and operability. Hence, individual prioritization and intensified evaluation of alternative second-line treatments are necessary. Graphical Abstract
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关键词
Revisional bariatric surgery,Sleeve gastrectomy,Gastric bypass
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