Effects of Candesartan in Acute Stroke on Cognitive Function and Quality of Life: Results From the Scandinavian Candesartan Acute Stroke Trial

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Abstract

Background and Purpose—

High blood pressure is common in the acute phase of stroke and is associated with poor outcome. We examined whether blood pressure–lowering treatment with candesartan in the acute phase affects long-term cognitive function and quality of life.

Methods—

Scandinavian Candesartan Acute Stroke Trial was a randomized-controlled and placebo-controlled trial of candesartan in 2029 patients with acute stroke and raised blood pressure. At 6 months, cognitive function was assessed by the Mini Mental State Examination and quality of life by the EuroQol instrument. We used ordinal logistic and multiple linear regression for statistical analysis, adjusting for predefined key variables.

Results—

Median Mini Mental State Examination score was 28 in both groups, and there was no significant difference between the distribution of Mini Mental State Examination scores in the 2 groups (common odds ratio, 1.11; 95% confidence interval, 0.91–1.34; P=0.32). Median EuroQol-5D index were 0.74 and 0.78 (P=0.034), and the mean EuroQol-visual analogue scale scores were 66.0 and 67.3 in the candesartan and placebo groups, respectively (P=0.11).

Conclusions—

Candesartan did not improve cognitive function or quality of life. Rather, there were signs of harmful effects. These findings support the conclusion from our previous report that there is no indication for routine blood pressure–lowering treatment with candesartan in the acute phase of stroke.

Clinical Trial Registration—

URL: www.clinicaltrials.gov. Unique identifier: NCT00120003.

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