Fábio Guerrazzi

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AIM To assess the efficacy and safety of ranitidine bismuth citrate plus clarithromycin given for 1 wk in Brazilian patients with peptic ulcer. METHODS One hundred and twenty patients with peptic ulcer were randomized in two treatment groups: (1) 1-wk regimen consisting of ranitidine bismuth citrate 400 mg b.i.d. with clarithromycin 500 mg b.i.d. or (2)(More)
PURPOSE Prevalence of chronic gastritis and infection of the gastric mucosa by Helicobacter pylori in patients with non-ulcerating dyspepsia and duodenal ulcer. TYPE OF STUDY, SITE, PATIENTS: A prospective study was made of 48 consecutive patients with non-ulcerating dyspepsia of the dismotility type (NUD), and 13 consecutive patients with duodenal ulcer in(More)
BACKGROUND Helicobacter pylori (H. pylori) infection has been associated with iron deficiency anemia. However, results reported in the literature are contradictory. The goal of the present study was to study the possible association between H. pylori infection and iron deficiency in a sample of adults. METHODS One hundred and fifty individuals were(More)
Upper gastrointestinal hemorrhage is a life-threatening complication of liver cirrhosis and portal hypertension. It is well recognized that, despite adequate pharmacologic and endoscopic therapy, there is a 20–35% mortality ratio in the first occurrence of gastrointestinal bleeding [1, 2]. Ruptured esophageal varices, peptic ulcer disease, portal(More)
Background. Fecal immunochemical tests (FITs) have been used for colorectal cancer (CRC) screening in several countries. There is lack of information concerning diagnostic performances of this method in Brazil. Methods. Patients scheduled for elective colonoscopy provided one stool sample one week before colonoscopy. The accuracy of a qualitative FIT for(More)
PURPOSE The study aimed to evaluate whether ranitidine and pantoprazole are able to maintain gastric pH >or=4 in septic patients. MATERIALS AND METHODS Twenty intensive care unit patients from a university teaching hospital with sepsis were included in this study. Ten patients received ranitidine (50 mg as an intermittent bolus 3 times a day) and 10(More)
BACKGROUND/AIMS This prospective study investigated the performance of pre-endoscopy and the complete Rockall scores in predicting the occurrence of adverse outcomes and the need for endoscopic or surgical intervention in patients with nonvariceal upper gastrointestinal bleeding. METHODS All 656 consecutive patients who underwent endoscopy due to(More)
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