1 Introduction to Obesity -- 2 Etiopathogenesis of Obesity -- 3 Gut-derived Hormones and Energy Homeostasis -- 4 Health Consequences-Obesity Associated Comorbidities -- 5 Medical Management of Obesity -- 6 Historical Perspectives of Bariatric Surgery -- 7 Evidence Base for Bariatric Surgery -- 8 Patient Selection in Bariatric Surgery -- 9 Procedure Selection in Bariatric Surgery -- 10 Preoperative Medical Evaluation of the Bariatric Surgery Patient -- 11 Perioperative Dietary Evaluation of the Bariatric Surgery Patient -- 12 Psychological Assessment of the Bariatric Surgery Patient -- 13 Anaesthesia Considerations in the Obese Patient -- 14 Perioperative Risk Scoring System in Bariatric Surgery -- 15 The Structure and Role of the Multidisciplinary Team in Bariatric Surgery -- 16 Nursing Care of the Bariatric Surgery Patient -- 17 Perioperative Management of the Bariatric Surgery Patient -- 18 Enhanced Recovery after Bariatric Surgery -- 19 Laparoscopic Roux-en-Y Gastric Bypass: The Linear Technique -- 20 Laparoscopic Roux-en-Y Gastric Bypass: The Circular Stapler Technique (Including Transoral as well as Transabdominal Anvil Placement) -- 21 Laparoscopic Roux-en-Y Gastric Bypass: Hand-Sewn Technique -- 22 Laparoscopic Roux-en-Y Gastric Bypass: The Fully Stapled Technique -- 23 Laparoscopic Roux-en-Y Gastric Bypass: Complications- Diagnosis and Management -- 24 Laparoscopic Roux-en-Y Gastric Bypass: Outcomes -- 25 Laparoscopic Roux-en-Y Gastric Bypass: Current Controversies -- 26 Laparoscopic Sleeve Gastrectomy: The Technique -- 27 Laparoscopic Sleeve Gastrectomy: Complications, Diagnosis and Management -- 28 Laparoscopic Sleeve Gastrectomy: Outcomes -- 29 Laparoscopic Sleeve Gastrectomy: Current Controversies -- 30. Laparoscopic Mini-Gastric Bypass Technique -- 31. Laparoscopic Mini-Gastric Bypass Complications -- 32. Laparoscopic Mini-Gastric Bypass Outcome -- 33 Laparoscopic Adjustable Gastric Banding: The Technique -- 34 Laparoscopic Adjustable Gastric Banding: Complications- Diagnosis and Management -- 35 Laparoscopic Adjustable Gastric Banding: Outcomes -- 36 Laparoscopic Adjustable Gastric Banding: Current Controversies -- 37 Reduced Port Laparoscopic Bariatric Surgery -- 38 Single Incision Laparoscopic Roux-en-Y Gastric Bypass -- 39 Single Incision Laparoscopic Sleeve Gastrectomy -- 40 Single Incision Laparoscopic Adjustable Gastric Banding -- 41 Robotic Assisted Bariatric Surgery -- 42 Revisional Surgery after Vertical Banded Gastroplasty -- 43 Revisional Surgery after Laparoscopic Roux-en-Y Gastric Bypass -- 44 Revisional Surgery after Laparoscopic Sleeve Gastrectomy -- 45 Revisional Bariatric Surgery after Laparoscopic Adjustable Gastric Banding -- 46 Laparoscopic Biliopancreatic Diversion with Duodenal Switch (BPD-DS) Surgery -- 47 Laparoscopic Biliopancreatic Diversion (BPD) Surgery -- 48 Laparoscopic Banded Gastric Bypass Surgery -- 49 Single-Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy (SADI-S) Surgery -- 50 Laparoscopic Gastric Plication -- 51 Laparoscopic Gastric Pacing -- 52 Intragastric Balloon Treatment for Obesity -- 53 Endoscopic Duodeno-Jejunal Bypass Sleeve Treatment for Obesity -- 54 Newer Endoluminal Interventions for Obesity -- 55 Endoscopic Treatment of Complications after Bariatric Surgery -- 56 Mechanisms of Action of Bariatric Surgical Procedures -- 57 Glycemic Control and Reduction of Cardiovascular Risk following Bariatric Surgery -- 58 Resolution of Obesity Associated Comorbidities (Diabetes, Hypertension, Sleep Apnea and Metabolic Syndrome) following Bariatric Surgery -- 59 Metabolic Surgery for Type 2 Diabetes Mellitus in Patients with Body Mass Index less than 35 kg/m2 -- 60 Ileal Interposition with Sleeve Gastrectomy for Type 2 Diabetes Mellitus and Metabolic Syndrome -- 61 Training in Bariatric Surgery -- 62 Bariatric Surgery Data Management and Reporting Worldwide -- 63 Surgical Review Corporation (SRC) Center of Excellence Programs for Bariatric Surgery -- 64 International Federation for Surgical Obesity (IFSO) Center of Excellence Program for Bariatric Surgery -- 65 Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) by American Society for Metabolic and Bariatric Surgery (ASMBS) for Bariatric Surgery -- 66 Medicolegal Issues in Bariatric Surgery -- 67 Nutritional Management of the Bariatric Surgery Patient -- 68 Management of Extreme Obesity (Body Mass Index greater than 60 Kgm2) -- 69 Respiratory Considerations and Effect of Bariatric Surgery in the Obese Patient -- 70 Infertility, Pregnancy and Bariatric Surgery -- 71 Non-Alcoholic Fatty Liver Disease (NAFLD) and Bariatric Surgery -- 72 Cancer, Obesity and Bariatric Surgery -- 73 Psychological Issues Before and After Bariatric Surgery -- 74 Health-Related Quality of Life Before and After Bariatric Surgery -- 75 Management of Bariatric Emergencies by the General Surgeon -- 76 The Role of Primary Care in Bariatric Surgery -- 77 Intensive Care and Obesity -- 78 Radiological Imaging in Bariatric Surgery -- 79 Adolescent Bariatric Surgery -- 80 Body Contouring after Bariatric Surgery.