Cognitive resilience among APOE ε4 carriers in the oldest old

Kathleen M. Hayden, Sarah A. Gaussoin, Jaimie C. Hunter, Jo Ann E. Manson, Bonnie C. Sachs, Aladdin H. Shadyab, Hilary A. Tindle, Yasmin Mossavar-Rahmani, Khyobeni Mozhui, Beverly M. Snively, Stephen R. Rapp, Susan M. Resnick

Research output: Contribution to journalArticle

Abstract

Objectives: Relatively few APOE ε4+ carriers survive to old age (age 80+) without cognitive impairment (CI); thus, little is known about distinguishing characteristics of resilient APOE ε4+ carriers. Herein, we describe the sociodemographic characteristics of a large sample of resilient APOE ε4+ women from the Women's Health Initiative Memory Study (WHIMS) and compare them to noncarriers and APOE ε4+ women who developed CI before age 80. Methods: Women were recruited for clinical trials evaluating postmenopausal hormone therapy and incidence of dementia. During posttrial follow-up, cognitive status was adjudicated annually. Among 5716 women, we compared groups by APOE ε4 status using logistic regression, covarying for treatment, demographics, lifestyle, cardiovascular and physical function, well-being, and self-rated general health. Results: Among 557 APOE ε4+ women, those who survived to age 80+ without CI had higher baseline self-rated general health (odds ratio [OR]: 1.02; 95% confidence interval [CI], 1.01-1.04) and cognitive scores (OR: 1.18; 95% CI, 1.12-1.25) than those who did not reach age 80 without CI. Baseline high total cholesterol and low-density lipoprotein (LDL) levels were similar across APOE ε4+ groups but were higher compared with APOE ε4− women. Among women who survived to 80+ without CI, more APOE ε4+ women had a history of high total cholesterol (P =.003) and LDL cholesterol (OR: 1.01; 95% CI, 1.00-1.01). There were no differences in hypertension, diabetes, or other vascular risk factors in APOE ε4+ women compared with noncarriers. Conclusions: Results highlight the importance of baseline cognitive function and general health for late-life cognition among ε4+ women.

Original languageEnglish (US)
JournalInternational Journal of Geriatric Psychiatry
DOIs
StateAccepted/In press - Jan 1 2019

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Odds Ratio
LDL Cholesterol
Cognition
Health
Women's Health
Cognitive Dysfunction
Dementia
Life Style
Logistic Models
Cholesterol
Demography
Clinical Trials
Hormones
Confidence Intervals
Hypertension
Incidence
Therapeutics
vascular factor

Keywords

  • APOE ε
  • cognitive resilience
  • mild cognitive impairment
  • oldest old
  • probable dementia

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Psychiatry and Mental health

Cite this

Hayden, K. M., Gaussoin, S. A., Hunter, J. C., Manson, J. A. E., Sachs, B. C., Shadyab, A. H., ... Resnick, S. M. (Accepted/In press). Cognitive resilience among APOE ε4 carriers in the oldest old. International Journal of Geriatric Psychiatry. https://doi.org/10.1002/gps.5199

Cognitive resilience among APOE ε4 carriers in the oldest old. / Hayden, Kathleen M.; Gaussoin, Sarah A.; Hunter, Jaimie C.; Manson, Jo Ann E.; Sachs, Bonnie C.; Shadyab, Aladdin H.; Tindle, Hilary A.; Mossavar-Rahmani, Yasmin; Mozhui, Khyobeni; Snively, Beverly M.; Rapp, Stephen R.; Resnick, Susan M.

In: International Journal of Geriatric Psychiatry, 01.01.2019.

Research output: Contribution to journalArticle

Hayden, KM, Gaussoin, SA, Hunter, JC, Manson, JAE, Sachs, BC, Shadyab, AH, Tindle, HA, Mossavar-Rahmani, Y, Mozhui, K, Snively, BM, Rapp, SR & Resnick, SM 2019, 'Cognitive resilience among APOE ε4 carriers in the oldest old', International Journal of Geriatric Psychiatry. https://doi.org/10.1002/gps.5199
Hayden, Kathleen M. ; Gaussoin, Sarah A. ; Hunter, Jaimie C. ; Manson, Jo Ann E. ; Sachs, Bonnie C. ; Shadyab, Aladdin H. ; Tindle, Hilary A. ; Mossavar-Rahmani, Yasmin ; Mozhui, Khyobeni ; Snively, Beverly M. ; Rapp, Stephen R. ; Resnick, Susan M. / Cognitive resilience among APOE ε4 carriers in the oldest old. In: International Journal of Geriatric Psychiatry. 2019.
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