Patients with pain or dysphagia after gastric bypass warrant upper endoscopy given the high yield for abnormalities. Although the risk factors for the development of marginal ulcer remain multifactorial, a thorough investigation for potential etiologies including tobacco, alcohol, and nonsteroidal antiinflammatory drug (NSAID) usage should be determined and eliminated. The presence of multiple risk factors may pose a higher challenge in ulcer resolution, leading to increased recurrence. In the current series, prior or current tobacco use remained the sole independent risk factor for ulcer persistence.

Bariatric/metabolic surgery is considered an accepted treatment option for type 2 diabetes mellitus (T2DM) with body mass index (BMI)  ≧  35 kg/m2. Mounting evidence also shows that metabolic surgery is effective for T2DM with BMI  <  35 kg/m2. To evaluate current status of metabolic surgery, we reviewed the available clinical studies which described surgical treatment for T2DM with mean BMI  <  35 kg/m2. 18 studies with 477 patients were identified. 30% of the patients was insulin users. The follow-up period ranged from 6 to 216 months. The weight loss effect was reasonable, not excessive. Mean BMI decreased from 30.4 to 24.8 kg/m2. Remission of T2DM was achieved in 64.7% of the patients with fasting plasma glucose and glycated hemoglobin approaching slightly above normal range. Clinical T2DM status was an important factor when selecting the eligible candidates for metabolic surgery. Postoperative complication rate of 10.3% with mortality of 0% in the studies has been acceptable. Even though it would be premature at this point to state that metabolic surgery is an accepted treatment option for T2DM with BMI < 35 kg/m2, it is clear that a high proportion of T2DM patients will derive substantial benefit from metabolic surgery.

Placement of T-fasteners in high-risk patients may decrease overall morbidity if early tube dislodgement occurs. The findings show the safety of non-emergent endoscopic replacement of PEGs in certain patients. Early tube dislodgement may be a marker of overall mortality.

Combined laparoscopic paraesophageal hernia repair and longitudinal gastrectomy offer a safe and feasible approach for the management of large or recurrent paraesophageal hernias in well-selected obese and morbidly obese patients. In a short-term follow-up period, this approach demonstrated effective symptom control and weight loss.

GES placement is feasible using a laparoscopic approach. Medical refractory gastroparesis in the diabetic and idiopathic groups had significant symptom improvement with no difference between the two groups. Need for supplemental nutrition is decreased following GES.

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Complications of laparoscopic adjustable gastric banding (LAGB) include band slippage, material infection, and band erosion. Band erosion can lead to chronic infection, obstruction, delayed perforation, and ineffectiveness; therefore, removal is indicated. A myriad of approaches exist for band removal and many authors have described novel techniques. A minimally invasive approach, including laparoscopic or endoscopic assistance, is favored given the reduction of postoperative complications compared with laparotomy. We present a novel approach to band retrieval following partial erosion involving a complete endoscopic/transgastric technique. Perioperative management and a review of the literature also are described.