Weight Regain Following Sleeve Gastrectomy—a Systematic Review
This 2016 systematic review analyzed studies on weight regain after sleeve gastrectomy (SG). It found that definitions of weight regain varied across studies, leading to inconsistent reporting. Reported rates of weight regain ranged from 5.7% at 2 years to 75.6% at 6 years post-surgery. Proposed causes included initial sleeve size,