Acute gastrointestinal bleeding due to Meckel's diverticulum heterotopic gastric mucosa.

Meckel's diverticulum is the most common congenital anomaly of the gastrointestinal tract occurring in approximately 2% of the population. In our retrospective study, we analyzed 58 surgical specimens of Meckel's diverticulum operated on in our hospital. Heterotopic gastric mucosa was found in ten.

Comparison of 150 mg nizatidine BID or 300 mg at bedtime, and 150 mg ranitidine BID in the treatment of gastric ulcer--an 8-week randomized, double-blind multicentre study.

One hundred and one active gastric ulcer patients concluded an 8-week, randomized, double-blind multicentre study, planned with the aim to compare the effectiveness of a new H2 blocker, nizatidine, with ranitidine. Thirty-three patients received 300 mg nizatidine at bedtime, 34,150 mg nizatidine b.i.