Antihypertensive medication use and risk of cognitive impairment: the Honolulu-Asia Aging Study

Rebecca P Gelber1, G Webster Ross, Helen Petrovitch

  • 1VA Pacific Islands Health Care System, University of Hawaii John A. Burns School of Medicine, Honolulu, HI, USA. rebecca.gelber@va.gov

Neurology
|August 6, 2013
PubMed

Insights

Beta-blocker use was linked to a reduced risk of cognitive impairment in elderly hypertensive men. This finding suggests a potential protective effect of beta-blockers against cognitive decline in this population.

Area of Science:

  • Gerontology
  • Cardiovascular Medicine
  • Neurology

Background:

  • Hypertension is a significant risk factor for cognitive impairment in the elderly.
  • Understanding the impact of antihypertensive medications on cognitive health is crucial for geriatric care.

Purpose of the Study:

  • To investigate the association between different classes of antihypertensive medications and the risk of cognitive impairment in elderly hypertensive men.

Main Methods:

  • Prospective community-based cohort study (Honolulu-Asia Aging Study) of 2,197 Japanese American men.
  • Participants with hypertension but no baseline cognitive impairment were followed for cognitive function using the Cognitive Abilities Screening Instrument (CASI).
  • Cognitive impairment was defined as a CASI score <74, with 854 men developing impairment over a median follow-up of 5.8 years.

Main Results:

  • Beta-blocker monotherapy was associated with a significantly lower risk of cognitive impairment (IRR 0.69; 95% CI 0.50-0.94) compared to no antihypertensive medication.
  • No significant associations were found for diuretics, calcium channel blockers, ACE inhibitors, or vasodilators used alone.
  • The protective association of beta-blockers was more pronounced in men with diabetes, those over 75 years, and individuals with higher pulse pressure.

Conclusions:

  • Beta-blocker use is associated with a reduced risk of developing cognitive impairment in elderly hypertensive Japanese American men.
  • These findings highlight the potential neuroprotective role of beta-blockers in managing hypertension-related cognitive decline.
Abstract

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