Interventional procedures

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Abstract
During the past year, numerous articles were published on interventional procedures of the stomach, focusing on upper gastrointestinal tract bleeding, gastric cancer, gastric outlet obstruction, and benign disease. In the area of upper gastrointestinal tract bleeding, early endoscopy is warranted for early therapeutic intervention and for triage. In patients with bleeding related to peptic ulcer disease, combination therapy (epinephrine injection in conjunction with electrocoagulation therapy) remains the standard of care. Hemoclipping is a new technique that may be helpful in cases in which conventional therapy fails. Repeat endoscopy should always be considered in patients in whom the first attempt at endoscopic therapy fails. In patients with bleeding related to portal hypertension, prophylactic antibiotics may decrease the risk of infections. Banding remains the therapy of choice for this group of patients. There is no documented benefit for combination therapy (banding and sclerotherapy). Transjugular intrahepatic portosystemic shunts may be helpful in the treatment of hypertensive portal gastropathy but not gastric vascular ectasias. In the area of gastric cancer, management revolves around staging. This can be accomplished best through the use of CT scan and endoscopic ultrasound. In patients with early limited disease, attempt at endoscopic mucosal resection should be considered. This technique can be performed in a variety of ways: The most common method seems to be through the use of a saline injection, to separate the mucosa-submucosal layer, followed by a cap-assisted snare resection with suction. The safety, efficacy, and outcome of this technique are reviewed. Gastric outlet obstruction remains a difficult problem to treat endoscopically. However, there is some evidence that endoscopic therapy may be successful in benign disease and should be considered prior to surgical intervention.