Eradication rates for Helicobacter pylori infection a systematic evidence - based review
Hellenic Journal of Surgery(2015)
摘要
Aim The aim of this study is to summarize all available published studies regarding pharmacologic management of newly onset and recurrent peptic ulcers, provide a critical insight into indistinguishable features of H. pylori, and construct a useful clinical tool for decision making. Methods A thorough search was performed of electronic databases including MEDLINE, Embase, Pubmed, Scopus and Cochrane Library from 1990 up to 2014. A systematic review and meta-analysis was to be carried out, pooling the effects of outcomes of patients and lesions enrolled in the studies. Results The primary end-points of this thesis will be the construction of a pharmacological management algorithm of H. Pylori eradication in various disease states. In uncomplicated peptic ulcer, first line eradication therapy of H. pylori should include one of the following: triple [(PPI, clarithromycin, amoxicillin)-(PPI, clarithromycin, metronidazole)]/ quadruple (PPI, clarithromycin, amoxicillin, nitroimidazole)/Bismuth-containing (ranitidine, Bismuth subsalicylate, metronidazole, tetracycline) for 10-14 days or sequential for five days (PPI+amoxicillin) plus five days (PPI, clarithromycin, tinidazole). If the first line H. pylori eradication regimen is unsuccessful, second line H. pylori eradication regimens should comprise one of the following: Bismuth based/triple (levofloxacin substitutes clarithromycin). In cases of clarithromycin resistance, H. pylori eradication regimens should include one of the following: Bismuth-based /quadruple/sequential (levofloxacin substitutes clarithromycin). In cases of metronidazole resistance, H. pylori eradication regimens should incorporate one of the following: triple/ sequential (levofloxacin substitutes clarithromycin). In cases of clarithromycin and metronidazole resistance H. pylori eradication regimens should include the following: sequential (levofloxacin substitutes clarithromycin). Conclusion Though there is sufficient evidence to safeguard Grade A recommendations for H. pylori eradication regimens in cases of first- and second-line treatments, resistance and peptic ulcer complications, high-quality randomized controlled trials that will include distinct ethnic groups, homogeneous endoscopic diagnosis and treatment, double-blind designs, and evaluation of outcomes operating specific criteria over set follow-up periods are lacking.
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关键词
H. pylori eradication, practice-based evidence, systematic review, meta-analysis, ulcer bleeding, ulcer perforation
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