R J Mahajan

Background: We sought to determine whether premedication for colonoscopy with intravenous hyoscyamine sulfate (Levsin) was helpful from the standpoint of the colonoscopist and the patient. Methods: One hundred sixteen adult...

Objective: Open-access endoscopy allows physicians who are not gastroenterologists to directly schedule patients for endoscopic procedures without having them first seen in the gastrointestinal clinic. We sought to determine the...

We examined a number of patient variables, including three different scales of preprocedure patient anxiety, to determine which best predicted patient cooperation and satisfaction with gastrointestinal endoscopy. We prospectively evaluated...

Objectives: Our academic hospital center operates an open access endoscopy service that allows referring physicians to directly schedule patients for outpatient esophagogastroduodenoscopy and colonoscopy without having them first seen in...

Background: Open-access endoscopy allows nongastroenterologist physicians the opportunity to directly schedule elective common endoscopic procedures for their patients without having them first examined in the gastrointestinal clinic. There are few...

Iatrogenic dysmotility syndromes, particularly achalasia-like conditions, occasionally complicate esophageal and paraesophageal surgery. We describe a patient who developed a very unusual (and as far as we know unreported) syndrome characterized...

The mechanism(s) of Cl- transport across the human colonic apical membranes are not well understood. Apical membrane vesicles (AMV) purified from organ donor proximal colonic mucosa and a rapid millipore...