Essentials of Bariatric Surgery.- The Rationale for Bariatric Surgery.- Overview of Bariatric Operations.- Identification of Comorbidities and Their Management.- Definition of Obesity and Indications for Surgery.- Preoperative Nutritional Assessment and Postoperative Dietary Guidelines.- Essentials of a Bariatric Program.- Psychological Assessment.- Preoperative Check List.- Postoperative Care Pathway.- Long-term Follow-up Protocol of Bariatric Patients.- An Economic Approach to Opening a Bariatric Practice.- Techniques.- Roux-en-Y Gastric Bypass.- Lap-Band® and Adjustment Schedule.- Laparoscopic Duodenal Switch.- Laparoscopic Sleeve Gastrectomy: A Staged Procedure for Super-Super Obese Patients.- Laparoscopic Staged Roux-en-Y: A Staged Procedure for Super-Super Obese Patients.- Outcomes.- Outcomes of Laparoscopic Gastric Bypass.- Outcomes of Laparoscopic Adjustable Gastric Banding.- Outcomes of Duodenal Switch and Other Malabsorptive Procedures.- Outcomes of Bariatric Surgery in Adolescents.- Which Operation Is Best?.- Complications.- Anastomotic Leaks after Laparoscopic Gastric Bypass.- Gastric Bypass: Gastrointestinal Bleeding.- Intestinal Obstruction after Laparoscopic Gastric Bypass.- Roux-en-Y Gastric Bypass: Stomal Stenosis.- Gastric Bypass: Marginal Ulceration.- Laparoscopic Adjustable Gastric Banding: Infection, Slippage, and Hiatal Hernia.- Gastric Erosion Following Adjustable Gastric Banding.- Guidelines and Accreditation in Bariatric Surgery.- Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) Bariatric Credentialing Guidelines.- Reporting of Bariatric Surgery Outcomes.- The Betsy Lehman Center Guidelines for Weight Loss Surgery.- American Society for Metabolic and Bariatric Surgery (ASMBS) Centers of Excellence Program.- The American College of Surgeons (ACS) Bariatric Surgery Center Network.