A Study on the Glucose Breath Test Positivity Rate and Occurrence of Small Intestine Bacterial Overgrowth-Related Symptoms Caused by Long-Term Use of Proton Pump Inhibitor (PPI) Versus Potassium-Competitive Acid Blocker (P-CAB) in Elderly Patients

Background/Aims: Long-term acid suppression with proton pump inhibitors (PPI) leads to hypochlorhydria and facilitates the growth of bacterial flora in the small intestine. Novel acid-suppressants called potassium-competitive acid blockers (P-CABs) seem to be superior to PPIs. However, data on the r...

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Veröffentlicht in:Advances in pharmacological and pharmaceutical sciences 2024-01, Vol.2024
Hauptverfasser: Lim, Na Rae, Lim, Saenal, Chung, Woo Chul
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Sprache:eng
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Zusammenfassung:Background/Aims: Long-term acid suppression with proton pump inhibitors (PPI) leads to hypochlorhydria and facilitates the growth of bacterial flora in the small intestine. Novel acid-suppressants called potassium-competitive acid blockers (P-CABs) seem to be superior to PPIs. However, data on the risk of small intestinal bacterial overgrowth (SIBO) in patients taking P-CABs are limited.Method: We retrospectively analyzed a consecutive series of patients with long-term acid-suppressant (PPIs or P-CABs) use for gastroesophageal reflux disease or nonsteroidal anti-inflammatory drug (NSAID)-induced gastropathy. All of them underwent endoscopic examinations and Helicobacter pylori testing and took PPIs or P-CABs for at least 3 months. Glucose hydrogen breath tests (GBT) were performed to check for SIBO, and newly developed SIBO-related symptoms including bloating, postprandial discomfort, diarrheas, and constipation, were evaluated.Results: A total of 142 patients were enrolled. Six patients were excluded due to equivocal Helicobacter pylori infection results. The frequency of positive GBTs was 31.7% (25/79) for PPI and 22.8% (13/57) for P-CAB use (p=0.15). Regarding GBT positivity, age-related factor was found to be significant in multivariate analysis (p=0.02). The results of multivariate analysis in cases of SIBO-related symptoms showed that GBT positivity and PPI use were significant (p
ISSN:2633-4682
2633-4690
DOI:10.1155/2024/6069151