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Impact of beta-blockade on complex cognitive functioning.

S Streufert1, A DePadova, T McGlynn

  • 1College of Medicine, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey 17033.

American Heart Journal
|July 1, 1988
PubMed
Summary
This summary is machine-generated.

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Metoprolol improved cognitive performance in hypertensive men, unlike atenolol which showed no benefit and some detriments. This study highlights the differential effects of beta-blockers on cognitive function.

Area of Science:

  • Cardiology
  • Neuroscience
  • Pharmacology

Background:

  • Hypertension affects cognitive function.
  • Beta-blockers are commonly prescribed for hypertension.
  • Differential cognitive effects of beta-blockers are not fully understood.

Purpose of the Study:

  • To compare the effects of metoprolol and atenolol on cognitive performance in men with hypertension.
  • To assess the impact of these beta-blockers on simple, intermediate, and complex task performance.

Main Methods:

  • Double-blind, placebo-controlled crossover study.
  • Fifty adult men with mild to moderate hypertension.
  • Treatment with metoprolol (150 mg/day) or atenolol (100 mg/day) for 14 days, followed by placebo.

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Main Results:

  • Metoprolol significantly improved performance in proofreading, visual-motor tasks, and complex managerial simulations compared to placebo.
  • Atenolol showed no significant difference from placebo in most cognitive tasks.
  • Atenolol led to increased errors in visual-motor tasks and some decline in complex managerial functioning.

Conclusions:

  • Metoprolol demonstrates cognitive-enhancing effects in hypertensive men.
  • Atenolol does not improve, and may slightly impair, cognitive function in this population.
  • These findings suggest distinct neurocognitive profiles associated with different beta-blockers.