Hypertension is a risk factor for stroke and may also contribute to the development of vascular cognitive impairment (VCI) and vascular dementia (VaD). Cognitive complications of hypertension and the influence of anti-hypertensive treatment were underestimated until recently. In this paper, trials investigating the effect of anti-hypertensive treatment on cognitive function were evaluated. Analysis of these studies revealed that until approximately 1990-1995 investigations have assessed primarily if anti-hypertensive treatment impaired cognitive function. Only more recent studies have investigated positive effects on cognition of anti-hypertensive medication. Drugs more extensively evaluated were diuretics, beta-blockers, angiotensin-converting enzyme (ACE) inhibitors, sartanes and Ca(2+) channel blockers. Available studies have confirmed that elevated diastolic blood pressure or pulse pressure and isolated systolic hypertension play an important role in the development of cognitive impairment. Randomized placebo-controlled trials have provided evidence that reduction of hypertension safely and effectively decreases morbidity and mortality rates and cognitive complications of hypertension. Ca(2+) channel blockers and ACE inhibitors have been shown to be effective and probably better than diuretics and beta-blockers on cognitive domains of hypertension. More extensive investigations could contribute to establishing optimal choice and drug dosage for the treatment of cognitive complications of hypertension.

Protective effect of anti-hypertensive treatment on cognitive function in essential hypertension: analysis of published clinical data.

AMENTA, Francesco;MIGNINI, Fiorenzo;TOMASSONI, Daniele;
2002

Abstract

Hypertension is a risk factor for stroke and may also contribute to the development of vascular cognitive impairment (VCI) and vascular dementia (VaD). Cognitive complications of hypertension and the influence of anti-hypertensive treatment were underestimated until recently. In this paper, trials investigating the effect of anti-hypertensive treatment on cognitive function were evaluated. Analysis of these studies revealed that until approximately 1990-1995 investigations have assessed primarily if anti-hypertensive treatment impaired cognitive function. Only more recent studies have investigated positive effects on cognition of anti-hypertensive medication. Drugs more extensively evaluated were diuretics, beta-blockers, angiotensin-converting enzyme (ACE) inhibitors, sartanes and Ca(2+) channel blockers. Available studies have confirmed that elevated diastolic blood pressure or pulse pressure and isolated systolic hypertension play an important role in the development of cognitive impairment. Randomized placebo-controlled trials have provided evidence that reduction of hypertension safely and effectively decreases morbidity and mortality rates and cognitive complications of hypertension. Ca(2+) channel blockers and ACE inhibitors have been shown to be effective and probably better than diuretics and beta-blockers on cognitive domains of hypertension. More extensive investigations could contribute to establishing optimal choice and drug dosage for the treatment of cognitive complications of hypertension.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11581/250667
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