Patients with a Roux-en-Y gastric bypass may be challenging diagnostic and therapeutic dilemmas for gastroenterologists and endoscopists due to anatomic considerations. Pancreaticobiliary limb pathology is particularly difficult to diagnose from standard endoscopic approaches as it often requires double balloon enteroscopy. Percutaneous access and gastrostomy placement into the gastric remnant,...

OBJECTIVE To determine whether prophylactic oral iron supplements (320 mg twice daily) would protect women from iron deficiency and anemia after Roux-en-Y gastric bypass. DESIGN Prospective, double-blind, randomized study in which 29 patients received oral iron and 27 patients received a placebo beginning 1 month after Roux-en-Y gastric bypass. SETTING Tertiary care medical center. PATIEN...

Roux-en-Y gastric bypass is the most effective therapy for morbid obesity. This study investigated how gastric bypass affects intake of and preference for high-fat food in an experimental (rat) study and within a trial setting (human). Proportion of dietary fat in gastric bypass patients was significantly lower 6 yr after surgery compared with patients after vertical-banded gastroplasty (P = 0....

PURPOSE Recent studies have demonstrated that mineral and electrolyte abnormalities develop in patients who undergo bariatric surgery. While it is known that these abnormalities are a risk factor for urolithiasis, the prevalence of stone disease after bariatric surgery is unknown. We evaluated the likelihood of being diagnosed with or treated for an upper urinary tract calculus following Roux-e...

CONTEXT Roux-en Y gastric bypass surgery is the most common operation for treatment of morbid obesity. The approach to pancreaticoduodenal resection in patients with a history of Roux-en Y gastric bypass is not well described. CASE REPORTS Pancreaticoduodenal resection was performed in two patients with distal bile duct strictures, with a past history of Roux-en Y gastric bypass. In both case...

OBJECTIVES To evaluate the relations between liver markers (GGT, ALT and AST) and the metabolic syndrome (and its components) in morbidly obese subjects, and to determine the response of these metabolic factors and hepatic enzymes after weight loss induced by Roux-en-Y gastric bypass. METHODS This study was carried out at a university hospital, in Santo André (SP), Brazil. We evaluated 140 mo...

BACKGROUND Lesser omental transection during gastric bypass for morbid obesity may be associated with postoperative dumping. A survey of postoperative symptoms was performed in patients undergoing laparoscopic Roux-en-Y gastric bypass with transection vs. preservation of the lesser omentum. METHODS A written questionnaire on dumping symptoms was administered to patients 2 years after laparosc...

Gastrointestinal hemorrhage is a potential perioperative complication after Roux-en-Y gastric bypass. The surgeon performing laparoscopic gastric bypass should understand the need for early recognition and management of this complication, as it can be life-threatening. This paper discusses the incidence and clinical presentation of gastrointestinal hemorrhage, mechanisms for hemorrhage, managem...

BACKGROUND AND OBJECTIVES As bariatric surgery becomes more widespread, atypical complications will be seen with more frequency. In this case series, we report on 3 cases of superior mesenteric artery syndrome after gastric bypass and the laparoscopic treatment. METHODS This is a case series of 3 patients who presented with the persistent postprandial symptoms of pain and nausea after gastric...

INTRODUCTION We report for the first time the case of a patient with Albright hereditary osteodystrophy and pseudopseudohypoparathyroidism who underwent a Roux-en-Y gastric bypass. CASE PRESENTATION A 26-year-old obese Caucasian woman with Albright hereditary osteodystrophy with pseudopseudohypoparathyroidism (heterozygous mutation (L272F) in GNAS1 exon 10 on molecular analysis) was treated w...