Effectiveness of using a patient education mobile application to improve the quality of bowel preparation: a randomised controlled trial.

Aims: To determine the effectiveness of a mobile application (app) in improving the quality of bowel preparation for colonoscopy.

Method: An endoscopist-blinded randomised controlled trial enrolled patients who were undergoing a colonoscopy on the same day of bowel preparation. The intervention used a Vietnamese mobile app that provides instructions on bowel preparation while patients in the comparison group received conventional instructions.

Short-stay, out-of-hospital, radiologically guided liver biopsy.

Objective: To evaluate the safety, the quality and adequacy of specimens obtained and the cost benefits associated with performing liver biopsy out of hospital, on a short-stay basis, using radiological guidance.

Design And Setting: A prospective study undertaken over a three-year period, from March 1998 to March 2001, in a private radiology practice. PATIENTS AND PROCEDURES: 251 patients (159 men) with stable liver disease participated.