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Dig Dis Sci. 2001 Mar;46(3):581-6.
Peptic ulcer occurrence in follow-up of chronic gastritis in patients with treated and not eradicated CagA-positive Helicobacter pylori infection.

Carratu R, Iuliano D, Iovene MR, Ferraraccio F, Esposito P, Russo MI, Montella F, Abbate G, Tufano MA.

Microbiology Institute, Second University of Naples, Italy.

The aim of the present prospective investigation was to study 49 dyspeptic Helicobacter pylori (HP)-positive (HP+) or -negative (HP), CagA+ and CagA- patients with a normal pattern or pure chronic gastritis at initial histology as well as normal features or hyperemic gastropathy at initial endoscopy in a two-year follow up. All the HP+ patients were treated with omeprazole 20 mg twice a day plus amoxicillin 1 g twice a day for two weeks. No substantial change was seen in gastritis in CagA+ patients in whom the infection was not eradicated, and, in contrast, a progressive improvement in 13/14 successfully treated patients was found. At endoscopy, a progressive change to a normal picture was seen in 8 and no change in 6 of 14 patients whose HP infection was eradicated, in contrast a worsening in the 9 HP+ patients who were still infected was observed. In particular, peptic lesions arose in 6 of 21 CagA+ patients in whom the infection was not eradicated. In conclusions, the lack of change in chronic gastritis at histology and the progressive worsening of endoscopic hyperemic gastropathy (with peptic lesions arising in 28,6%) when HP+ CagA+ infection is not eradicated, unlike the progressive improvement of the anatomoclinical condition in the patients whose infection was eradicated, draws attention to the relevance of eradicating HP in CagA+ patients even when no peptic lesion is found at initial endoscopy.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11318536&dopt=Abstract

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J Pediatr Gastroenterol Nutr. 2001 Feb;32(2):145-9.
Omeprazole maintenance therapy for gastroesophageal reflux disease after failure of fundoplication.

Pashankar D, Blair GK, Israel DM.

Division of Gastroenterology, British Columbia's Children's Hospital, Vancouver, Canada.

BACKGROUND: Recurrence of gastroesophageal reflux (GER) in children after failed fundoplication poses a therapeutic challenge. The authors report the experience with long-term omeprazole for children with severe GER after failed fundoplication. METHODS: The authors reviewed the charts of all children who were treated with omeprazole for GER subsequent to failed fundoplication from 1990 to 1999. All underwent endoscopic and clinical assessment of the treatment at baseline, at 3-5 months, at 6-9 months, and annually. RESULTS: Eighteen children presented with GER, after a total of 27 fundoplications. Ten had corrected esophageal atresia, 6 had neurologica impairment, and 2 had hiatal hernia. The mean age of presentation of children with recurrence of GER was 7.8 years, and symptoms of GER occurred 4.9 years (range, 0.6-13) after last fundoplication. Fifteen patients had a mean follow-up of 4.4 years for omeprazole. Ten patients had grade III/IV esophagitis and 5 had grade II esophagitis at presentation after fundoplication. Marked improvement was noted in symptoms of GER and severity of esophagitis while taking omeprazole. Remission of esophagitis was maintained while the patient was taking omeprazole and none had further surgery. There was no recurrence of peptic strictures in eight of nine children on omeprazole, after initial esophageal dilatations. Except for benign gastric polyps in three patients, no clinical adverse effects were observed. CONCLUSIONS: Omeprazole is an effective long-term drug for gastroesophageal reflux disease after failed fundoplication in children. Omeprazole was well-tolerated by all children and should be tried before subsequent surgical intervention.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11321383&dopt=Abstract

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Dig Dis Sci. 2001 Apr;46(4):739-45.
Prevalence of gastric myoelectrical abnormalities in patients with nonulcer dyspepsia and H. pylori infection: resolution after H. pylori eradication.

Lin Z, Chen JD, Parolisi S, Shifflett J, Peura DA, McCallum RW.

Department of Medicine, University of Kansas Medical Center, Kansas City 66160-7350, USA.

The aims of this study were to investigate the effects of H. pylori eradication on gastric myoelectrical activity and dyspeptic symptoms. Sixty-two subjects with H. pylori infection and no active peptic ulcer participated in this study, which involved three sessions. Anti-H. pylori therapy consisting of clarithromycin and omeprazole was given for two weeks. Gastric myoelectrical activity was measured using surface electrogastrography and dyspeptic symptoms were scored at each session. A [14C] urea breath test was performed at baseline and one month after treatment. In comparison with baseline, the percentage of normal slow waves was significantly increased and the mean total symptom score was significantly reduced one and three months after therapy (P < 0.05). Approximately 40% of patients with nonulcer dyspepsia' symptoms and H. pylori infection have abnormal gastric myoelectrical activity, which may be normalized following the eradication of H. pylori infection. The normalization of gastric myoelectrical activity may be one explanation for the significant symptom improvement in this subset of the dyspepsia population after H. pylori eradication.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11330406&dopt=Abstract

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