期刊
WORLD JOURNAL OF GASTROENTEROLOGY
卷 17, 期 35, 页码 3971-3975出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v17.i35.3971
关键词
Bismuth-containing quadruple therapy; Concomitant quadruple therapy; Hybrid (dual-concomitant) therapy; Rescue anti-Helicobacter pylori treatment; Sequential therapy
With the rising prevalence of antimicrobial resistance, the treatment success of standard triple therapy has recently declined to unacceptable levels (i.e., 80% or less) in most countries. Therefore, several treatment regimens have emerged to cure Helicobacter pylori. (H. pylori.) infection. Novel first-line anti-H. pylori. therapies in 2011 include sequential therapy, concomitant quadruple therapy, hybrid (dual-concomitant) therapy and bismuth-containing quadruple therapy. After the failure of standard triple therapy, a bismuth-containing quadruple therapy comprising a proton pump inhibitor (PPI), bismuth, tetracycline and metronidazole can be employed as rescue treatment. Recently, triple therapy combining a PPI, levofloxacin and amoxicillin has been proposed as an alternative to the standard rescue therapy. This salvage regimen can achieve a higher eradication rate than bismuth-containing quadruple therapy in some regions and has less adverse effects. The best second-line therapy for patients who fail to eradicate H. pylori with first-line therapies containing clarithromycin, amoxicillin and metronidazole is unclear. However, a levofloxacin-based triple therapy is an accepted rescue treatment. Most guidelines suggest that patients requiring third-line therapy should be referred to a medical center and treated according to the antibiotic susceptibility test. Nonetheless, an empirical therapy (such as levofloxacin-based or furazolidone-based therapies) can be employed to terminate H. pylori. infection if antimicrobial sensitivity data are unavailable. (c) 2011 Baishideng. All rights reserved.
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