Background: Revisional bariatric surgery has emerged as a critical component of comprehensive obesity management, addressing inadequate weight loss, weight regain, and complications following primary bariatric procedures. Objective: This comprehensive review examines current evidence regarding indications, technical considerations, and outcomes of revisional bariatric surgery to guide clinical decision-making. Methods: A systematic review of contemporary literature was conducted, analyzing patient selection criteria, surgical techniques, complication rates, and long-term outcomes of revisional procedures. Results: Revision rates range from 10-25% over 10 years, with adjustable gastric band procedures demonstrating the highest revision requirements (30-60%). Revisional surgery achieves 40-70% excess weight loss (%EWL), though outcomes remain inferior to primary procedures. Complication rates are elevated (15-30% overall morbidity, 0.5-2% mortality) compared to primary operations. Conclusions: Revisional bariatric surgery can provide meaningful benefits for appropriately selected patients but requires careful risk-benefit assessment. Optimal outcomes depend on thorough preoperati
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