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About

Lars Nelson is a pioneering bariatric surgeon whose work focuses on advancing surgical techniques for severe obesity and its comorbidities. His major contributions center on the safety and effectiveness of the single anastomosis duodenal switch (SADI-S) procedure, a metabolic surgery innovation that simplifies the traditional duodenal switch. In his most cited paper (2016, 32 citations), Nelson provides critical preliminary data demonstrating the procedure’s efficacy in achieving substantial weight loss and resolving obesity-related conditions, helping to establish SADI-S as a viable, less complex alternative. He has also been at the forefront of integrating robotic-assisted laparoscopy into bariatric surgery, as seen in his work on robotic biliopancreatic diversion and sleeve gastrectomy (7 citations). Notably, Nelson addresses challenging patient scenarios, such as combining robotic sleeve gastrectomy with hiatal hernia repair and fundoplication for symptomatic GERD (6 citations). His research directly informs clinical practice, offering safer, more effective options for patients with severe obesity. With a growing citation impact, Nelson’s work is shaping the future of minimally invasive metabolic surgery.