High blood pressure predicts hippocampal atrophy rate in cognitively impaired elders. Fiford CM, et al, Alzheimers Dement (Amst) 2020.
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Résumé et points clés
Introduction: Understanding relationships among blood pressure (BP), cognition, and brain volume could inform Alzheimer's disease (AD) management.
Methods: We investigated Alzheimer's Disease Neuroimaging Initiative (ADNI)
Participants: 200 controls, 346 mild cognitive impairment (MCI), and 154 AD. National Alzheimer's Co-ordinating Center (NACC) participants were separately analyzed: 1098 controls, 2297 MCI, and 4845 AD. Relationships between cognition and BP were assessed in both cohorts and BP and atrophy rates in ADNI. Multivariate mixed linear-regression models were fitted with joint outcomes of BP (systolic, diastolic, and pulse pressure), cognition (Mini-Mental State Examination, Logical Memory, and Digit Symbol) and atrophy rate (whole-brain, hippocampus).
Results: ADNI MCI and AD patients with greater baseline systolic BP had higher hippocampal atrophy rates ([r, P value]; 0.2, 0.005 and 0.2, 0.04, respectively). NACC AD patients with lower systolic BP had lower cognitive scores (0.1, 0.0003). DISCUSSION: Higher late-life BP may be associated with faster decline in cognitively impaired elders.
Références de l'article
- High blood pressure predicts hippocampal atrophy rate in cognitively impaired elders.
- High blood pressure predicts hippocampal atrophy rate in cognitively impaired elders.
- Fiford CM, Nicholas JM, Biessels GJ, Lane CA, Cardoso MJ, Barnes J
- Alzheimer's & dementia (Amsterdam, Netherlands)
- 2020
- Alzheimers Dement (Amst). 2020 May 17;12(1):e12035. doi: 10.1002/dad2.12035. eCollection 2020.
- Alzheimer's disease, blood pressure, cognitive decline, hypertension, hypotension, longitudinal, mild cognitive impairment
- Syndromes_Geriatriques, HTA
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- Traduction automatique en Français sur Google Translate
- DOI: 10.1002/dad2.12035
- PMID: 32587882
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