Gastric Bypass

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  Subject Areas on Research

  • 12-year trajectory of health-related quality of life in gastric bypass patients versus comparison groups. 
  • 30-day morbidity and mortality of sleeve gastrectomy, Roux-en-Y gastric bypass and one anastomosis gastric bypass: a propensity score-matched analysis of the GENEVA data. 
  • A Population-Based Study of Early Postoperative Outcomes in Patients with Heart Failure Undergoing Bariatric Surgery. 
  • A comparison of 399 open and 568 laparoscopic gastric bypasses performed during a 4-year period. 
  • A state-wide review of contemporary outcomes of gastric bypass in Florida: does provider volume impact outcomes? 
  • Acute psychotic disorder after gastric bypass surgery: differential diagnosis and treatment. 
  • Adipogenic differentiation of adipose tissue-derived human mesenchymal stem cells: effect of gastric bypass surgery. 
  • Adiponectin is not altered with exercise training despite enhanced insulin action. 
  • Adjustments to warfarin dosing after gastric bypass and sleeve gastrectomy. 
  • Adolescent Bariatric Surgery: Racial Disparities in 30-Day Outcomes Using the MBSAQIP from 2015 to 2018. 
  • Algorithm to diagnose etiology of hypoglycemia after Roux-en-Y gastric bypass for morbid obesity: case series and review of the literature. 
  • Altered islet function and insulin clearance cause hyperinsulinemia in gastric bypass patients with symptoms of postprandial hypoglycemia. 
  • Amelioration of gastroesophageal reflux symptoms following Roux-en-Y gastric bypass for clinically significant obesity. 
  • An Odyssey of complications from band, to sleeve, to bypass; definitive laparoscopic completion gastrectomy with distal esophagectomy and esophagojejunostomy for persistent leak. 
  • Anastomotic leaks after laparoscopic gastric bypass. 
  • Assessment and management of gastroesophageal reflux disease following bariatric surgery. 
  • Bariatric Surgery and Long-term Durability of Weight Loss. 
  • Bariatric surgeries in north Carolina, 1990 to 2001: a gender comparison. 
  • Bariatric surgery for severely obese adolescents. 
  • Beta-cell sensitivity to glucose is impaired after gastric bypass surgery. 
  • Beta-cell sensitivity to insulinotropic gut hormones is reduced after gastric bypass surgery. 
  • Biliary Dilation: In Reply to Fujita. 
  • Binge eating, quality of life and physical activity improve after Roux-en-Y gastric bypass for morbid obesity. 
  • Blockade of glucagon-like peptide 1 receptor corrects postprandial hypoglycemia after gastric bypass. 
  • Bypassing the duodenum does not improve insulin resistance associated with diet-induced obesity in rodents. 
  • CYP2E1 activity before and after weight loss in morbidly obese subjects with nonalcoholic fatty liver disease. 
  • Cardiorespiratory fitness and health-related quality of life in bariatric surgery patients. 
  • Cardiovascular risk in obese diabetic patients is significantly reduced one year after gastric bypass compared to one year of diabetes support and education. 
  • Case-matched analysis comparing outcomes of revisional versus primary laparoscopic Roux-en-Y gastric bypass. 
  • Changes in dermal histomorphology following surgical weight loss versus diet-induced weight loss in the morbidly obese patient. 
  • Cholecystectomy concomitant with laparoscopic gastric bypass: a trend analysis of the nationwide inpatient sample from 2001 to 2008. 
  • Combined treatment of symptomatic massive paraesophageal hernia in the morbidly obese. 
  • Comment on: Patients' reasons for and against undergoing Roux-en-Y gastric bypass, adjustable gastric banding, and vertical sleeve gastrectomy. 
  • Comment on: Risk prediction of complications of metabolic syndrome before and 6 years after gastric bypass. 
  • Comparative Effectiveness of Vertical Sleeve Gastrectomy Versus Roux-en-Y Gastric Bypass for Diabetes Treatment: A Claims-based Cohort Study. 
  • Comparative Outcomes of Bariatric Surgery in Patients with Impaired Mobility and Ambulatory Population. 
  • Comparing Medical Costs and Use After Laparoscopic Adjustable Gastric Banding and Roux-en-Y Gastric Bypass. 
  • Comparison of Ambulatory Health Care Costs and Use Associated With Roux-en-Y Gastric Bypass vs Sleeve Gastrectomy. 
  • Comparison of primary jejunostomy tubes versus gastrojejunostomy tubes for percutaneous enteral nutrition. 
  • Concurrent hiatal hernia repair and bariatric surgery: outcomes after sleeve gastrectomy and Roux-en-Y gastric bypass. 
  • Conversion of Sleeve Gastrectomy to Roux-en-Y Gastric Bypass. 
  • Design and rationale of the Utah obesity study. A study to assess morbidity following gastric bypass surgery. 
  • Differential metabolic impact of gastric bypass surgery versus dietary intervention in obese diabetic subjects despite identical weight loss. 
  • Does experience preclude leaks in laparoscopic gastric bypass? 
  • Duodenal-jejunal exclusion improves glucose tolerance in the diabetic, Goto-Kakizaki rat by a GLP-1 receptor-mediated mechanism. 
  • Effect of Roux-en-Y gastric bypass and laparoscopic adjustable gastric banding on branched-chain amino acid metabolism. 
  • Effect of Roux-en-Y gastric bypass surgery on the sex steroids and quality of life in obese men. 
  • Effect of Surgical Weight Loss on Plantar Fasciitis and Health-Care Use. 
  • Effect of gastric bypass operation on Framingham and actual risk of cardiovascular events in class II to III obesity. 
  • Effect of staple height on gastrojejunostomy during laparoscopic gastric bypass: a multicenter prospective randomized trial. 
  • Effectiveness of laparoscopic Roux-en-Y gastric bypass on obese class I type 2 diabetes mellitus patients. 
  • Effects of Roux-en-Y Gastric Bypass on Osteoclast Activity and Bone Density in Morbidly Obese Patients with Type 2 Diabetes. 
  • Effects of Roux-en-Y gastric bypass or diabetes support and education on insulin sensitivity and insulin secretion in morbidly obese patients with type 2 diabetes. 
  • Effects of gastric bypass and gastric banding on glucose kinetics and gut hormone release. 
  • Endoscopic closure of a gastrojejunal anastomotic leak (with video). 
  • Endoscopic evaluation of the gastrojejunostomy in laparoscopic gastric bypass. A series of 340 patients without postoperative leak. 
  • Evidence from a single individual that increased plasma GLP-1 and GLP-1-stimulated insulin secretion after gastric bypass are independent of foregut exclusion. 
  • Expectant management of the asymptomatic gallbladder at Roux-en-Y gastric bypass. 
  • Experience with the optical access trocar for safe and rapid entry in the performance of laparoscopic gastric bypass. 
  • Feeding the gut after revisional bariatric surgery: The fate of 126 enteral access tubes. 
  • Food cravings and food consumption after Roux-en-Y gastric bypass versus cholecystectomy. 
  • GLP-1R agonism enhances adjustable gastric banding in diet-induced obese rats. 
  • GLP-1R responsiveness predicts individual gastric bypass efficacy on glucose tolerance in rats. 
  • Gastric Bypass Surgery Leads to Long-term Remission or Improvement of Type 2 Diabetes and Significant Decrease of Microvascular and Macrovascular Complications. 
  • Gastric bypass alters both glucose-dependent and glucose-independent regulation of islet hormone secretion. 
  • Gastric bypass does not influence olfactory function in obese patients. 
  • Gastric bypass is an effective treatment for obstructive sleep apnea in patients with clinically significant obesity. 
  • Gastric bypass significantly improves quality of life in morbidly obese patients with type 2 diabetes. 
  • Gastric bypass surgery enhances glucagon-like peptide 1-stimulated postprandial insulin secretion in humans. 
  • Gastric bypass surgery restores meal stimulation of the anorexigenic gut hormones glucagon-like peptide-1 and peptide YY independently of caloric restriction. 
  • Gastroesophageal Reflux Predicts Utilization of Dehydration Treatments After Bariatric Surgery. 
  • Gastrostomy-to-gastrojejunostomy tube conversion: impact of the method of original gastrostomy tube placement. 
  • Has mini gastric bypass come of age? 
  • Health and health-related quality of life: differences between men and women who seek gastric bypass surgery. 
  • Health benefits of gastric bypass surgery after 6 years. 
  • Health outcomes of gastric bypass patients compared to nonsurgical, nonintervened severely obese. 
  • Health-related quality of life before and after bariatric surgery in adolescents. 
  • Health-related quality of life in patients seeking gastric bypass surgery vs non-treatment-seeking controls. 
  • Health-related quality of life varies among obese subgroups. 
  • High risks for adverse outcomes after gastric bypass surgery following failed gastric banding: a population-based trend analysis of the United States. 
  • Implications of Celiac Disease Among Patients Undergoing Gastric Bypass. 
  • Improved insulin sensitivity after gastric bypass correlates with decreased total body fat, but not with changes in free fatty acids. 
  • Improvement in insulin resistance after gastric bypass surgery is correlated with a decline in plasma 2-hydroxybutyric acid. 
  • In-hospital outcomes after bariatric surgery in patients with heart failure. 
  • Incidence of bone loss, falls, and fractures after Roux-en-Y gastric bypass for morbid obesity. 
  • Influence of ethnicity on the efficacy and utilization of bariatric surgery in the USA. 
  • Insulin Sensitivity and β-Cell Function Improve after Gastric Bypass in Severely Obese Adolescents. 
  • Internal hernia: postoperative complication of roux-en-Y gastric bypass surgery. 
  • Is Roux-en-Y gastric bypass surgery the most effective treatment for type 2 diabetes mellitus in morbidly obese patients? 
  • Laparoscopic surgical treatment for refractory gastric antral vascular ectasia: a case report and review. 
  • Letter by Moris et al Regarding Article, "Effects of Bariatric Surgery in Obese Patients With Hypertension: The GATEWAY Randomized Trial (Gastric Bypass to Treat Obese Patients With Steady Hypertension)". 
  • Letter to the editor: A comparative study of three-year weight loss and outcomes after laparoscopic gastric bypass in patients with "yellow light" psychological clearance. 
  • Life-threatening postoperative hypoventilation after bariatric surgery. 
  • Lithium Toxicity after Roux-en-Y Gastric Bypass is Not Just Limited to Perioperative Period. 
  • Long-term opioid use after bariatric surgery. 
  • Magnetic Liver Retraction: an Incision-Less Approach for Less Invasive Bariatric Surgery. 
  • Management of incidental ovarian tumors in patients undergoing gastric bypass. 
  • Massive Biliary Dilation after Roux-en-Y Gastric Bypass: Is it Ampullary Achalasia? 
  • Mechanisms of surgical control of type 2 diabetes: GLP-1 is the key factor-Maybe. 
  • Metabolic profiles, energy expenditures, and body compositions of the weight regain versus sustained weight loss patients who underwent Roux-en-Y gastric bypass. 
  • Metoclopramide Reduces Fluoroscopy and Procedure Time during Gastrojejunostomy Tube Placement: A Placebo-Controlled Trial. 
  • Morbidity of anastomotic leaks in patients undergoing Roux-en-Y gastric bypass. 
  • Multicenter evaluation of the clinical utility of laparoscopy-assisted ERCP in patients with Roux-en-Y gastric bypass. 
  • Necdin-E2F4 interaction provides insulin-sensitizing effect after weight loss induced by gastric bypass surgery. 
  • Obesity and sexual quality of life. 
  • Obesity surgery mortality risk score: proposal for a clinically useful score to predict mortality risk in patients undergoing gastric bypass. 
  • Omental gene expression of adiponectin correlates with degree of insulin sensitivity before and after gastric bypass surgery. 
  • Operative technique for converting a failed vertical banded gastroplasty to Roux-en-Y gastric bypass. 
  • Outcomes of bariatric surgery in patients > or =65 years. 
  • Patient predictors of follow-up care attendance in Roux-en-Y gastric bypass patients. 
  • Patient-Reported Outcome Measures 2 Years After Standard and Distal Gastric Bypass-a Double-Blind Randomized Controlled Trial. 
  • Percutaneous Gastrojejunostomy Tube Insertion in Patients with Surgical Gastrojejunal Anastomoses: Analysis of Success Rates and Durability. 
  • Percutaneous gastrojejunostomy tubes: Identification of predictors of retrograde jejunal limb migration into the stomach. 
  • Performance and improvement of the DiaRem score in diabetes remission prediction: a study with diverse procedure types. 
  • Perioperative changes in prouroguanylin hormone response in severely obese subjects after bariatric surgery. 
  • Physiology of weight loss surgery. 
  • Plasma lactate as a marker of metabolic health: Implications of elevated lactate for impairment of aerobic metabolism in the metabolic syndrome. 
  • Post-gastric bypass hypoglycaemia: a review. 
  • Postoperative hypoxemia from clinically suspected pulmonary embolism complicated by patent foramen ovale. 
  • Postoperative hypoxemia: common, undetected, and unsuspected after bariatric surgery. 
  • Postoperative short bowel syndrome. 
  • Postprandial metabolite profiles reveal differential nutrient handling after bariatric surgery compared with matched caloric restriction. 
  • Predictive factors of thromboembolic events in patients undergoing Roux-en-Y gastric bypass. 
  • Predictors of early quality-of-life improvement after laparoscopic gastric bypass surgery. 
  • Predictors of initial weight loss after gastric bypass surgery in twelve Veterans Affairs Medical Centers. 
  • Predictors of long-term success after laparoscopic Roux-en-Y gastric bypass in African-American women. 
  • Predictors of success after laparoscopic gastric bypass: a multivariate analysis of socioeconomic factors. 
  • Predictors of weight regain in patients who underwent Roux-en-Y gastric bypass surgery. 
  • Preoperative weight gain does not predict failure of weight loss or co-morbidity resolution of laparoscopic Roux-en-Y gastric bypass for morbid obesity. 
  • Prophylactic mesh to prevent incisional hernia: a note of caution. 
  • Radiological evaluation of gastric stapling procedures for morbid obesity. 
  • Remission of type 2 diabetes after Roux-en-Y gastric bypass is associated with greater weight loss. 
  • Report of Mesocaval Shunt in the Management of Variceal Hemorrhage Following Gastric Bypass Surgery. 
  • Retrograde intussusception after Roux-en-Y gastric bypass for morbid obesity. 
  • Risk of Operative and Nonoperative Interventions Up to 4 Years After Roux-en-Y Gastric Bypass vs Vertical Sleeve Gastrectomy in a Nationwide US Commercial Insurance Claims Database. 
  • Risk of secondary hyperparathyroidism after laparoscopic gastric bypass surgery in obese women. 
  • Risk stratification of serious adverse events after gastric bypass in the Bariatric Outcomes Longitudinal Database. 
  • Robotic platform for gastric bypass is associated with more resource utilization: an analysis of MBSAQIP dataset. 
  • Robotic vs. Laparoscopic Roux-En-Y Gastric Bypass: a Systematic Review and Meta-Analysis. 
  • Robotic-assisted Roux-en-Y gastric bypass performed in a community hospital setting: the future of bariatric surgery? 
  • Role of vagal activation in postprandial glucose metabolism after gastric bypass in individuals with and without hypoglycaemia. 
  • Roux-en-Y Gastric Bypass Is Associated With Increased Hazard for De Novo Alcohol-related Complications and Liver Disease. 
  • Roux-en-Y gastric bypass decreases serum inflammatory markers and cardiovascular risk factors in obese diabetics. 
  • Roux-en-Y gastric bypass improves liver histology in patients with non-alcoholic fatty liver disease. 
  • Serum leptin levels are inversely correlated with omental gene expression of adiponectin and markedly decreased after gastric bypass surgery. 
  • Seven-year trajectories of body weight, quality of life and comorbidities following Roux-en-Y gastric bypass and sleeve gastrectomy. 
  • Short-Term Outcomes of Conversion of Failed Gastric Banding to Laparoscopic Sleeve Gastrectomy or Roux-En-Y Gastric Bypass: a Meta-Analysis. 
  • Similar effects of roux-en-Y gastric bypass and vertical sleeve gastrectomy on glucose regulation in rats. 
  • Single-centre, triple-blinded, randomised, 1-year, parallel-group, superiority study to compare the effects of Roux-en-Y gastric bypass and sleeve gastrectomy on remission of type 2 diabetes and β-cell function in subjects with morbid obesity: a protocol for the Obesity surgery in Tønsberg (Oseberg) study. 
  • Six-year changes in health-related quality of life in gastric bypass patients versus obese comparison groups. 
  • Spectrum and treatment of small bowel obstruction after Roux-en-Y gastric bypass. 
  • Suitability of administrative claims databases for bariatric surgery research - is the glass half-full or half-empty? 
  • Surgical clearance for the patient with chronic liver disease. 
  • Surgical management of enterolith ileus after Roux-en-Y gastric bypass. 
  • Surgical management of gastroesophageal reflux disease in patients with systemic sclerosis. 
  • Surgical revision of loop ("mini") gastric bypass procedure: multicenter review of complications and conversions to Roux-en-Y gastric bypass. 
  • Swirl Sign - Intestinal Volvulus after Roux-en-Y Gastric Bypass. 
  • Tailoring Bariatric Surgery: Sleeve Gastrectomy, Roux-en-Y Gastric Bypass and Biliopancreatic Diversion with Duodenal Switch. 
  • Technical Feasibility, Outcomes, and Patient Satisfaction After Needlescopic and Laparoscopic Bariatric Surgery: a Randomized Study. 
  • Technical considerations for transabdominal loading of the circular stapler in laparoscopic Roux-en-Y gastric bypass. 
  • The Effectiveness of Single-Anastomosis Duodenoileal Bypass with Sleeve Gastrectomy/One Anastomosis Duodenal Switch (SADI-S/OADS): an Updated Systematic Review. 
  • The FGF21 response to fructose predicts metabolic health and persists after bariatric surgery in obese humans. 
  • The Study of the Effects of Diet on Metabolism and Nutrition (STEDMAN) weight loss project: Rationale and design. 
  • The application of comorbidity indices to predict early postoperative outcomes after laparoscopic Roux-en-Y gastric bypass: a nationwide comparative analysis of over 70,000 cases. 
  • The effect of Medicaid status on weight loss, hospital length of stay, and 30-day readmission after laparoscopic Roux-en-Y gastric bypass surgery. 
  • The effect of duodenal-jejunal bypass on glucose-dependent insulinotropic polypeptide secretion in Wistar rats. 
  • The impact of bariatric surgery on the Veterans Administration healthcare system: a cost analysis. 
  • The importance of routine liver biopsy in diagnosing nonalcoholic steatohepatitis in bariatric patients. 
  • This Is How We Do It: Laparoscopic Roux-en-Y Gastric Bypass. 
  • Transumbilical Roux-en-Y gastric bypass in morbidly obese patients: A systematic review. 
  • Trends in risk factors for readmission after bariatric surgery 2015-2018. 
  • Two measures of health-related quality of life in morbid obesity. 
  • Two-year changes in health-related quality of life in gastric bypass patients compared with severely obese controls. 
  • Understanding intestinal glucose transporter expression in obese compared to non-obese subjects. 
  • Validation of the obesity surgery mortality risk score in a multicenter study proves it stratifies mortality risk in patients undergoing gastric bypass for morbid obesity. 
  • Variations of weight loss following gastric bypass and gastric band. 
  • VersaStep trocar hernia rate in unclosed fascial defects in bariatric patients. 
  • Weight and Metabolic Outcomes 12 Years after Gastric Bypass. 
  • Weight loss at first postoperative visit predicts long-term outcome of Roux-en-Y gastric bypass using Duke weight loss surgery chart. 
  • Weight, dietary and physical activity behaviors two years after gastric bypass. 
  • Weight-independent changes in blood glucose homeostasis after gastric bypass or vertical sleeve gastrectomy in rats. 
  • Who should be doing laparoscopic bariatric surgery?