This text provides essential scientific evidence for understanding complications following bariatric surgery, aimed at all providers involved in post-operative care. Authored by experts and grounded in current peer-reviewed literature, it offers a focused approach to identifying and treating these complications. The initial sections outline current procedures, associated risks, and expected benefits, with a particular emphasis on mechanisms of action. It addresses weight regain through the lens of heterogeneity, highlighting that every procedure carries a risk of this outcome. The text serves as a resource for frontline providers managing both acute emergencies and chronic long-term issues. It covers state-of-the-art management strategies for complications such as leaks, bleeding, ulcers, blood clots, and pneumonia, as well as the rapid remission of obesity-related diseases like Type 2 Diabetes and coagulopathies commonly seen in obese patients. Each chapter includes a review of current literature presented in an easy-to-reference table format, along with algorithms to guide readers through the care process for specific signs or symptoms. This resource will be invaluable for fellows in minimally invasive surgery, general surgeons, emergency room physicians, gastroenterologists, primary care physicians, medical students, residents in surgery rotations, and integrated health personnel.
