作者: P. M. Sherman , S. J. O. Veldhuyzen Van Zanten
DOI:
关键词:
摘要: OBJECTIVE: To evaluate current evidence for a causal relation between Helicobacter pylori infection and gastritis, duodenal ulcer, gastric cancer nonulcer dyspepsia. DATA SOURCES: A MEDLINE search articles published in English January 1983 December 1992 with the use of MeSH terms pylori, cancer, dyspepsia clinical trial; abstracts were excluded. Six journals Current Contents searched manually pertinent that time frame. STUDY SELECTION: Original studies at least 25 patients, case reports reviews examined H. four gastrointestinal disorders; 350 on 122 44 96 EXTRACTION: The quality was rated independently four-point scale. strength assessed using six-point scale each eight established guidelines determining relation. SYNTHESIS: There conclusive histologic gastritis. Koch9s postulates identification microorganism as causative agent disease fulfilled strong is main cause ulcers not induced by nonsteroidal anti-inflammatory drugs, but all fulfilled. moderate epidemiologic an association chronic cancer. lack convincing CONCLUSIONS: supports gastritis ulcer such Further are needed to clarify role these disorders. Thus far, there no