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Proton pump inhibitor use does not increase dementia and Alzheimer's disease risk: An updated meta-analysis of published studies involving 642305 patients.


ABSTRACT: Recent studies have indicated an increased risk of dementia and Alzheimer's disease (AD) among people who consume proton pump inhibitors (PPIs), but the results of those studies are inconsistent. This meta-analysis aimed to explore the correction risk of dementia and AD among PPI users. The literature search for relevant studies was conducted in PubMed, Web of Science, EMBase and ScienceDirect. Pooled hazard ratio (HR) and 95% confidence intervals (CIs) were used to assess the relationship between the PPIs and risk of dementia and AD. Ten independent studies that involved 642305 participants were included in this meta-analysis. PPI users were unassociated with dementia (HR = 1.04, 95% CI 0.92-1.15; I2 = 95.6%, p < 0.001) and AD (HR = 0.96, 95% CI 0.83-1.09; I2 = 80.7%, p <0 .001). No evidence of publication bias was detected by Begg's and Egger's test. Sensitivity analyses showed no important differences in the estimates of effects. The current evidence indicates that PPI use does not increase dementia and AD risk. The remarkable heterogeneity among the studies warrants a further review of our findings.

SUBMITTER: Song YQ 

PROVIDER: S-EPMC6605652 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

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