Proton pump inhibitor use increases the risk of peritonitis in peritoneal dialysis patients

Sayaka Maeda, Makoto Yamaguchi, Kunihiro Maeda, Naoto Kobayashi, Naoki Izumi, Masaaki Nagai, Takaaki Obayashi, Wataru Ohashi, Takayuki Katsuno, Hironobu Nobata and Yasuhiko Ito

PLOS ONE, 2019, vol. 14, issue 11, 1-11

Abstract: Peritonitis is a major and the most significant complication of peritoneal dialysis (PD). Although some predictors of peritonitis in PD patients are known, the association between proton pump inhibitor (PPI) use and peritonitis has not been characterized. Here, we examined whether PPI use is a risk factor for the development of peritonitis, based on a single-center retrospective analysis of 230 consecutive Japanese PD patients at Narita Memorial Hospital. We assessed the association between PPI use and subsequent first episode of peritonitis using multivariate Cox proportional hazards models, following adjustment for clinically relevant factors. The median follow-up period was 36 months (interquartile range, 19–57 months). In total, 86 patients (37.4%) developed peritonitis. Analysis with multivariate Cox proportional hazards models revealed the following significant predictors of peritonitis: PPI use (adjusted hazard ratio [HR] = 1.72, 95% confidence interval [CI]: 1.11–2.66; P = 0.016) and low serum albumin level (per g/dl adjusted HR = 0.59, 95% CI: 0.39–0.90; P = 0.014). Thus, PPI use was independently associated with PD-related peritonitis. The results suggest that nephrology physicians should exercise caution when prescribing PPIs for PD patients.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0224859

DOI: 10.1371/journal.pone.0224859

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