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- Title
Proton Pump Inhibitors and Risk of Mild Cognitive Impairment and Dementia.
- Authors
Goldstein, Felicia C.; Steenland, Kyle; Zhao, Liping; Wharton, Whitney; Levey, Allan I.; Hajjar, Ihab
- Abstract
Objectives To examine the risk associated with the use of proton pump inhibitors ( PPIs) of conversion to mild cognitive impairment ( MCI), dementia, and specifically Alzheimer's disease ( AD). Design Observational, longitudinal study. Setting Tertiary academic Alzheimer's Disease Centers funded by the National Institute on Aging. Participants Research volunteers aged 50 and older with two to six annual visits; 884 were taking PPIs at every visit, 1,925 took PPIs intermittently, and 7,677 never reported taking PPIs. All had baseline normal cognition or MCI. Measurements Multivariable Cox regression analyses evaluated the association between PPI use and annual conversion of baseline normal cognition to MCI or dementia or annual conversion of baseline MCI to dementia, controlling for demographic characteristics, vascular comorbidities, mood, and use of anticholinergics and histamine-2 receptor antagonists. Results Continuous (always vs never) PPI use was associated with lower risk of decline in cognitive function (hazard ratio ( HR) = 0.78, 95% confidence interval ( CI) =0.66-0.93, P = .005) and lower risk of conversion to MCI or AD ( HR = 0.82, 95% CI = 0.69-0.98, P = .03). Intermittent use was also associated with lower risk of decline in cognitive function ( HR = 0.84, 95% CI = 0.76-0.93, P = .001) and risk of conversion to MCI or AD (HR = 0.82, 95% CI = 0.74-0.91, P = .001). This lower risk was found for persons with normal cognition or MCI. Conclusion Proton pump inhibitors were not associated with greater risk of dementia or of AD, in contrast to recent reports. Study limitations include reliance on self-reported PPI use and lack of dispensing data. Prospective studies are needed to confirm these results to guide empirically based clinical treatment recommendations.
- Subjects
PROTON pump inhibitors; RISK factors of mild cognitive impairment; DEMENTIA risk factors; ALZHEIMER'S disease risk factors; COGNITION in old age; NATIONAL Institute on Aging; DEMOGRAPHIC characteristics; PARASYMPATHOLYTIC agents; DISEASE risk factors; THERAPEUTICS; LONGITUDINAL method; COGNITION disorder risk factors; COGNITIVE testing; CONFIDENCE intervals; SCIENTIFIC observation; PROBABILITY theory; SELF-evaluation; PROPORTIONAL hazards models; DESCRIPTIVE statistics
- Publication
Journal of the American Geriatrics Society, 2017, Vol 65, Issue 9, p1969
- ISSN
0002-8614
- Publication type
Article
- DOI
10.1111/jgs.14956