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Protective effect of anti-hypertensive treatment on cognitive function in essential hypertension: analysis of

Francesco Amenta1, Fiorenzo Mignini, Franco Rabbia

  • 1Dipartimento di Scienze Farmacologiche e Medicina Sperimentale, Unità di Ricerche Cliniche, Università di Camerino, Via Scalzino, 3 62032 Camerino, Italy. francesco.amenta@unicam.it

Journal of the Neurological Sciences
|November 6, 2002
PubMed

Insights

Antihypertensive treatments can prevent cognitive decline. Studies show that certain medications, like calcium channel blockers and ACE inhibitors, are effective in improving cognitive function in hypertensive patients.

Area of Science:

  • Neurology
  • Cardiology
  • Pharmacology

Background:

  • Hypertension is a significant risk factor for stroke, vascular cognitive impairment (VCI), and vascular dementia (VaD).
  • The impact of hypertension on cognitive function and the role of antihypertensive treatments have been historically underestimated.
  • Elevated blood pressure, including diastolic pressure, pulse pressure, and isolated systolic hypertension, is linked to cognitive impairment.

Purpose of the Study:

  • To evaluate clinical trials investigating the effects of antihypertensive treatments on cognitive function.
  • To assess the historical shift in research focus from potential cognitive impairment by treatments to their cognitive benefits.
  • To compare the efficacy of different classes of antihypertensive drugs on cognitive domains.

Main Methods:

  • Systematic review and analysis of randomized placebo-controlled trials (RCTs) and other investigations on antihypertensive therapy and cognition.
  • Evaluation of studies published up to and after the mid-1990s to identify trends in research focus.
  • Comparison of the effects of diuretics, beta-blockers, angiotensin-converting enzyme (ACE) inhibitors, sartanes, and calcium (Ca2+) channel blockers on cognitive outcomes.

Main Results:

  • Randomized placebo-controlled trials demonstrate that hypertension reduction effectively lowers morbidity, mortality, and cognitive complications.
  • Calcium channel blockers and ACE inhibitors show significant efficacy in improving cognitive domains, potentially outperforming diuretics and beta-blockers.
  • Research focus has evolved from assessing potential cognitive impairment caused by antihypertensive drugs to investigating their cognitive benefits.

Conclusions:

  • Reduction of hypertension is crucial for preventing cognitive decline and associated complications.
  • Certain antihypertensive medications, particularly calcium channel blockers and ACE inhibitors, offer benefits for cognitive function in hypertensive individuals.
  • Further research is needed to determine optimal drug choices and dosages for managing hypertension-related cognitive impairment.

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