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World J Gastroenterol. 2014 Jan 28;20(4):1061-6. doi: 10.3748/wjg.v20.i4.1061.

Long-term pretreatment with proton pump inhibitor and Helicobacter pylori eradication rates.

Author information

1
Seung Bae Yoon, Jae Myung Park, Jong-Yul Lee, Myong Ki Baeg, Chul-Hyun Lim, Jin Soo Kim, Yu Kyung Cho, In Seok Lee, Sang Woo Kim, Myung-Gyu Choi, Division of Gastroenterology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul 137-856, South Korea.

Abstract

AIM:

To investigate whether proton pump inhibitor (PPI) pretreatment influences Helicobacter pylori eradication rate.

METHODS:

We retrospectively reviewed H. pylori-infected patients who were treated with a standard triple regimen (PPI, amoxicillin 1 g, and clarithromycin 500 mg, all twice daily for 7 d). The diagnosis of H. pylori infection and its eradication was assessed with the rapid urease test, histological examination by silver staining, or the ¹³C-urea breath test. We divided the patients into two groups: one received the standard eradication regimen without PPI pretreatment (Group A), and the other received PPI pretreatment (Group B). The patients in Group B were reclassified into three groups based on the duration of PPI pretreatment: Group B-I (3-14 d), Group B-II (15-55 d), and Group B-III (≥ 56 d).

RESULTS:

A total of 1090 patients were analyzed and the overall eradication rate was 80.9%. The cure rate in Group B (81.2%, 420/517) was not significantly different from that in Group A (79.2%, 454/573). The eradication rates in Group B-I, B-II and B-III were 80.1% (117/146), 81.8% (224/274) and 81.4% (79/97), respectively.

CONCLUSION:

PPI pretreatment did not affect H. pylori eradication rate, regardless of the medication period.

KEYWORDS:

Antibiotics; Drug resistance; Helicobacter pylori; Proton pump inhibitor; Urea breath test

PMID:
24574779
PMCID:
PMC3921530
DOI:
10.3748/wjg.v20.i4.1061
[Indexed for MEDLINE]
Free PMC Article
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