Blood Pressure, Antihypertensive Use, and Late-Life Alzheimer and Non-Alzheimer Dementia Risk: An Individual Participant Data Meta-Analysis.
Journal: Neurology
Volume: 103
Issue: 5
Year of Publication: 2024
Affiliated Institutions:
From the Faculty of Medicine and Health (M.J.L., D.M.L., B.C.P.L., J.D.C., P.S.S.), and Centre for Healthy Brain Aging (CHeBA) (M.J.L., D.M.L., B.C.P.L., J.D.C., P.S.S.), Discipline of Psychiatry & Mental Health, School of Clinical Medicine, University of New South Wales, Sydney; School of Psychology and Public Health (B.C.P.L.), La Trobe University, Melbourne; The George Institute for Global Health (A.E.S., R.P.), Barangaroo; School of Biomedical Sciences (R.P.), University of New South Wales, Sydney, Australia; School of Public Health (R.P.), Imperial College London, United Kingdom; School of Population Health (A.E.S.), University of New South Wales, Sydney, Australia; Neuropsychiatric Epidemiology Unit (T.R.-S., J.N., I.S.), Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy, Centre for Ageing and Health (AGECAP) at the University of Gothenburg; Aging Research Center (T.R.-S.), Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University; Region Västra Götaland (J.N., I.S.), Sahlgrenska University Hospital, Psychiatry, Cognition and Old Age Psychiatry Clinic, Gothenburg, Sweden; Section Genomics of Neurodegenerative Diseases and Aging (J.N.), Department of Clinical Genetics, Vrije Universiteit Amsterdam, Amsterdam UMC, the Netherlands; Institute of Social Medicine (S.G.R.-H., S.R., A.P.), Occupational Health and Public Health (ISAP), Medical Faculty, University of Leipzig, Germany; School of Psychology (S.R.), Massey University, Albany Campus, Auckland, New Zealand; Global Brain Health Institute (GBHI) (S.R.), Trinity College Dublin, Ireland; Department of Medicine and Psychiatry (A.L., C.D.-l-C.), Universidad de Zaragoza; Instituto de Investigación Sanitaria Aragón (IIS Aragón) (A.L., C.D.-l-C., E.L.), Zaragoza; CIBERSAM (A.L., C.D.-l-C., E.L.), Madrid, Spain; Department of Preventive Medicine and Public Health (E.L.), Universidad de Zaragoza, Spain; Department of Neurology (R.B.L., M.J.K., C.A.D.), and Department of Epidemiology and Population Health (R.B.L., C.A.D.), Albert Einstein College of Medicine, Bronx, NY; Department of Neuropsychiatry (K.W.K., J.W.H.), Seoul National University Bundang Hospital, Seongnam; Department of Psychiatry (K.W.K., J.W.H.), Seoul National University College of Medicine; Department of Brain and Cognitive Sciences (K.W.K.), Seoul National University College of Natural Sciences; Workplace Mental Health Institute (D.J.O.), Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea; Golgi Cenci Foundation (E.R., A.D., M.R.), Abbiategrasso, Milan; Department of Brain and Behavioural Sciences (E.R.), University of Pavia, Italy; st Department of Neurology (N.S.), Aiginition Hospital, National and Kapodistrian University of Athens, Greece; Department of Neurology (N.S.), Columbia University, New York, NY; School of Health Sciences and Education (M.Y.), Department of Nutrition and Dietetics, Harokopio University; Department of Neurology (T.D.), University Hospital of Larissa; Faculty of Medicine (T.D.), School of Health Sciences, University of Thessaly, Larissa, Greece; Department of Psychiatry (H.C.H.), Indiana University School of Medicine; Indiana Alzheimer Disease Research Center (H.C.H., S.G.), Indiana Alzheimer Disease Research Center; Department of Biostatistics and Health Data Science (S.G.), Indiana University School of Medicine, Indianapolis; Institut for Neurosciences of Montpellier INM (I.C., K.R.), University Montpellier, INSERM; Institut du Cerveau Trocadéro (K.R.), Paris, France; School of Psychology (K.J.A.), and Ageing Futures Institute (K.J.A.), University of New South Wales; Neuroscience Research Australia (K.J.A.), Sydney; National Centre for Epidemiology and Population Health (N.C.), Australian National University, Canberra, Australia; Department of Geriatric Psychiatry (S.X., L.Y., W.L.), Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine; Alzheimer's Disease and Related Disorders Center (S.X., L.Y., W.L.), Shanghai Jiao Tong University, China; Inserm U (M.G., P.-M.P., V.A.), IRD UMR, Univ. Limoges, CHU Limoges, EpiMaCT-Epidemiology of Chronic Diseases in Tropical Zone, Institute of Epidemiology and Tropical Neurology, OmegaHealth, France; Laboratory of Chronic and Neurological Diseases Epidemiology (LEMACEN) (M.G.), Faculty of Health Sciences, University of Abomey-Calavi, Cotonou, Benin; Department of Cardiology (V.A.), Dupuytren University Hospital, Limoges, France; School of Medicine (M.N.H.), University of California, San Francisco; Robert N. Butler Columbia Aging Center (A.A.), Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY; Departamento de Psiquiatria (M.S.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Neuropsychiatric Institute (P.S.S.), Prince of Wales Hospital, Sydney, Australia.
Abstract summary
Previous randomized controlled trials and longitudinal studies have indicated that ongoing antihypertensive use in late life reduces all-cause dementia risk, but the specific impact on Alzheimer dementia (AD) and non-AD risk remains unclear. This study investigates whether previous hypertension or antihypertensive use modifies AD or non-AD risk in late life and the ideal blood pressure (BP) for risk reduction in a diverse consortium of cohort studies.This individual participant data meta-analysis included community-based longitudinal studies of aging from a preexisting consortium. The main outcomes were risk of developing AD and non-AD. The main exposures were hypertension history/antihypertensive use and baseline systolic BP/diastolic BP. Mixed-effects Cox proportional hazards models were used to assess risk and natural splines were applied to model the relationship between BP and the dementia outcomes. The main model controlled for age, age, sex, education, ethnoracial group, and study cohort. Supplementary analyses included a fully adjusted model, an analysis restricting to those with >5 years of follow-up and models that examined the moderating effect of age, sex, and ethnoracial group.There were 31,250 participants from 14 nations in the analysis (41% male) with a mean baseline age of 72 (SD 7.5, range 60-110) years. Participants with untreated hypertension had a 36% (hazard ratio [HR] 1.36, 95% CI 1.01-1.83, = 0.0406) and 42% (HR 1.42, 95% CI 1.08-1.87, = 0.0135) increased risk of AD compared with "healthy controls" and those with treated hypertension, respectively. Compared with "healthy controls" both those with treated (HR 1.29, 95% CI 1.03-1.60, = 0.0267) and untreated hypertension (HR 1.69, 95% CI 1.19-2.40, = 0.0032) had greater non-AD risk, but there was no difference between the treated and untreated groups. Baseline diastolic BP had a significant U-shaped relationship ( = 0.0227) with non-AD risk in an analysis restricted to those with 5-year follow-up, but otherwise there was no significant relationship between baseline BP and either AD or non-AD risk.Antihypertensive use was associated with decreased AD but not non-AD risk throughout late life. This suggests that treating hypertension throughout late life continues to be crucial in AD risk mitigation. A single measure of BP was not associated with AD risk, but DBP may have a U-shaped relationship with non-AD risk over longer periods in late life.
Authors & Co-authors:
Lennon Matthew J MJ
Lipnicki Darren M DM
Lam Ben Chun Pan BCP
Crawford John D JD
Schutte Aletta E AE
Peters Ruth R
Rydberg-Sterner Therese T
Najar Jenna J
Skoog Ingmar I
Riedel-Heller Steffi G SG
Röhr Susanne S
Pabst Alexander A
Lobo Antonio A
De-la-Cámara Concepción C
Lobo Elena E
Lipton Richard B RB
Katz Mindy J MJ
Derby Carol A CA
Kim Ki Woong KW
Han Ji Won JW
Oh Dae Jong DJ
Rolandi Elena E
Davin Annalisa A
Rossi Michele M
Scarmeas Nikolaos N
Yannakoulia Mary M
Dardiotis Themis T
Hendrie Hugh C HC
Gao Sujuan S
Carriere Isabelle I
Ritchie Karen K
Anstey Kaarin J KJ
Cherbuin Nicolas N
Xiao Shifu S
Yue Ling L
Li Wei W
Guerchet Maëlenn M
Preux Pierre-Marie PM
Aboyans Victor V
Haan Mary N MN
Aiello Allison A
Scazufca Marcia M
Sachdev Perminder S PS
Study Outcome
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