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Mahinrad, Simin; Bennett, David A.; Sorond, Farzaneh A.; Gorelick, Philip B.
Alzheimer's & dementia, July 2023, Letnik: 19, Številka: 7Journal Article
Introduction We assessed the association between visit‐to‐visit blood pressure variability (BPV) up to 12 years and subsequent dementia risk, and tested the modifying effect of antihypertensive medications. Methods We studied 2234 participants from two community‐based cohorts of older adults with normal cognition or mild cognitive impairment. Participants were followed through annual assessments for up to 27 years. Visit‐to‐visit BPV was quantified over 3, 6, 9, and 12 years, respectively. Results Higher systolic BPV (SBPV) during 3, 6, 9, and 12 years was associated with a subsequent increased risk of dementia, with hazard ratios ranging from 1.02 (95% confidence interval CI: 1.01–1.04) to 1.10 (95% CI: 1.05–1.16). The association between SBPV and dementia risk was stronger among participants not taking calcium channel blockers (p‐for interaction < 0.05). Discussion Among older adults, long‐term exposure to higher visit‐to‐visit SBPV is associated with an increased risk of dementia later in life, and calcium channel blockers may modify this association. Highlights Among adults aged >65, higher systolic blood pressure variability spanning 3–12 years is associated with an increased risk of dementia later in life. Single blood pressure measurement or mean blood pressure levels does not seem to associate with dementia risk among older adults. The association between systolic blood pressure variability and dementia risk is stronger among those not taking calcium channel blocker medications.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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