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Br J Anaesth. 1990 Oct;65(4):514-20.

Effects of nimodipine on cerebral blood flow and neuropsychological outcome after cardiac surgery.

Author information

1
Department of Anesthesiology, Ullevaal Hospital, University of Oslo, Norway.

Abstract

Thirty-five patients undergoing cardiac surgery requiring cardiopulmonary bypass (CPB) were allocated randomly in a prospective double-blind study to receive either nimodipine 0.5 micrograms kg-1 min-1 or placebo. Cerebral blood flow (CBF) was measured during and immediately after CPB. Neuropsychological tests were performed 6 months after surgery to determine any relationship between ischaemic damage and CBF and administration of nimodipine. There were no differences in CBF between the nimodipine (n = 18) and placebo groups (n = 17). Significant changes in neuropsychological tests were found in six patients tested 6 months after surgery but there were no conclusive signs of ischaemic damage. The nimodipine-treated group performed better in tests of verbal fluency and visual retention, suggesting that some memory functions were preserved better in this group.

PMID:
2248819
DOI:
10.1093/bja/65.4.514
[Indexed for MEDLINE]
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