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Urgent versus elective colonoscopy in acute lower gastrointestinal bleeding:
a randomized controlled trial

To examine differences in hospital length of stay (LOS) in patients with acute LGIB receiving either urgent colonoscopy or standard elective colonoscopy.

A multi-center randomized controlled study of primary prevention of esophageal variceal bleeding in cirrhotic patients treated with HVPG-guided beta- blocker therapy or standard heart rate-guided beta-blocker therapy.

To determine cost-effectiveness of hepatic venous pressure gradient (HVPG)-guided nonselective beta-blocker therapy as compared to standard heart rate-guided beta-blocker therapy in the primary prevention of esophageal variceal bleeding in cirrhotic…