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Akathisia: selective beta-blockers and rating instruments


, : Akathisia: selective beta-blockers and rating instruments. Psychopharmacology Bulletin 25(3): 451-456

beta-Blockers, particularly propranolol, have been shown to be an effective treatment for neuroleptic-induced akathisia (NIA). To examine the relative contribution of beta-1 and beta-2 receptor blockade to the therapeutic effect of propranolol, we studied a beta-1 selective agent (low dose metoprolol) and a beta-2 specific blocker (ICI 118,551). Both agents ameliorated NIA. To further evaluate instruments for quantifying NIA we compared (a) two sets of clinical ratings during the metoprolol study and (b) clinical and electromechanical ratings of NIA during the ICI 118,551 study. The changes in clinical ratings of NIA after metoprolol were similar for most patients; however, the changes in electromechanical and clinical ratings after ICI 118,551 were similar in less than half of the patients studied.

US$29.90

PMID: 2576321


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