Risk of Spontaneous Bacterial Peritonitis Associated with Gastric Acid Suppression

Shy Shin Chang, Chih Cheng Lai, Meng Tse Gabriel Lee, Yu Chien Lee, Yi Wen Tsai, Wan Ting Hsu, Chien Chang Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The primary objective of this study was to determine the association between the use of gastric acid suppressants (GAS) and the risk of developing spontaneous bacterial peritonitis (SBP) in patients with advanced liver cirrhosis (LC). A case-control study nested within a cohort of 480,000 representatives of Taiwan National Health Insurance beneficiaries was carried out. A case was matched with 100 controls on age, gender, and index date of SBP diagnosis. GAS use was identified from the 1-year period before the index date. Conditional logistic regression analysis was used to adjust for various unbalanced covariates between users and nonusers of GAS. A total of 947 cases of SBP were identified among the 86,418 patients with advanced LC. A significant increased risk of developing SBP was found to be associated with current (within 30 days), and recent (within 30-90 day) use of 2 different classes of GAS: proton pump inhibitors (PPIs) and histamine 2 receptor antagonists (H2RAs). The confounder adjusted rate ratio (aRR) for the current use of PPIs was 2.77 (95%CI: 1.90-4.04) and H2RAs was 2.62 (95%CI: 2.00-3.42). The risk of SBP attenuated for the recent use of PPIs (aRR: 2.20, 95%CI: 1.60-3.02) or H2RAs (aRR: 1.72, 95%CI: 1.25-2.37). In addition, sensitivity analysis using hospitalized SBP as the primary outcome showed a similar risk for the current use of PPIs (aRR, 3.24; 95%CI: 2.08-5.05) and H2RAs (aRR 2.43; 95%CI 1.71-3.46). Furthermore, higher cumulative days of gastric acid suppression were associated with a higher risk of SBP (trend P<0.0001). To conclude, exposure to GAS was associated with an increased risk of SBP in patients with advanced LC. The association was more pronounced in current PPI users compared with nonusers.

Original languageEnglish
Pages (from-to)e944
JournalMedicine (United States)
Volume94
Issue number22
DOIs
Publication statusPublished - Jan 1 2015
Externally publishedYes

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Gastric Acid
Peritonitis
Proton Pump Inhibitors
Histamine Receptors
Liver Cirrhosis
National Health Programs
Insurance Benefits
Taiwan
Case-Control Studies
Logistic Models
Regression Analysis

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Risk of Spontaneous Bacterial Peritonitis Associated with Gastric Acid Suppression. / Chang, Shy Shin; Lai, Chih Cheng; Lee, Meng Tse Gabriel; Lee, Yu Chien; Tsai, Yi Wen; Hsu, Wan Ting; Lee, Chien Chang.

In: Medicine (United States), Vol. 94, No. 22, 01.01.2015, p. e944.

Research output: Contribution to journalArticle

Chang, Shy Shin ; Lai, Chih Cheng ; Lee, Meng Tse Gabriel ; Lee, Yu Chien ; Tsai, Yi Wen ; Hsu, Wan Ting ; Lee, Chien Chang. / Risk of Spontaneous Bacterial Peritonitis Associated with Gastric Acid Suppression. In: Medicine (United States). 2015 ; Vol. 94, No. 22. pp. e944.
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