期刊
DIGESTIVE AND LIVER DISEASE
卷 49, 期 7, 页码 764-768出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.dld.2017.03.010
关键词
Clarithromycin; C-13 urea breath test; Helicobacter pylori; Smoking; Socioeconomic
Background and aims: Data regarding the impact of smoking on the success of Helicobacter pylori (H. pylon) eradication are conflicting, partially due to the fact that sociodemographic status is associated with both smoking and H. pylon treatment success. We aimed to assess the effect of smoking on H. pylon eradication rates after controlling for sociodemographic confounders. Methods: Included were subjects aged 15 years or older, with a first time positive C-13-urea breath test (C-13-UBT) between 2007 to 2014, who underwent a second C-13-UBT after receiving clarithromycin-based triple therapy. Data regarding age, gender, socioeconomic status (SES), smoking (current smokers or never smoked), and drug use were extracted from the Clalit health maintenance organization database. Results: Out of 120,914 subjects with a positive first time C-13-UBT, 50,836 (42.0%) underwent a second C13-UBT test. After excluding former smokers, 48,130 remained who were eligible for analysis. The mean age was 44.3 +/- 18.2 years, 69.2% were females, 87.8% were Jewish and 12.2% Arabs, 25.5% were current smokers. The overall eradication failure rates were 33.3%: 34.8% in current smokers and 32.8% in subjects who never smoked. In a multivariate analysis, eradication failure was positively associated with current smoking (Odds Ratio {OR} 1.15, 95% CI 1.10-1.20, p <0.001), female gender (OR 1.20, 95% CI 1.14-1.25, p < 0.001) and a low socioeconomic status (OR 1.24, 95% CI 1.17-1.31, p < 0.001). Conclusions: After controlling for socio-demographic confounders, smoking was found to significantly increase the likelihood of unsuccessful first-line treatment for H. pylon infection. (C) 2017 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.
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