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- ArticleFrick MH, Valle M, Korhola O, Hekali P, Riihimäki E.Ann Clin Res. 1978 Apr;10(2):66-70.The effect of beta-blockade by acebutolol on global and regional myocardial perfusion (133Xenon wash-out) was studied in 10 patients with coronary artery disease. Another group of 10 similar patients was used to study the effect of acebutolol on left ventricular cavity size (metal markers--spot film camera). Global perfusion responses roughly paralleled the changes in rate-pressure variable which decreased in 8 patients and increased in 2 who had spontaneous angina pectoris. Regional perfusion decreased more in areas distal to less than 75% stenoses than in those distal to less than 75% stenoses (29 vs 12%; p = 0.10 less than 0.20). Left ventricular asynergy did not modify the response, nor did the presence or absence of collateral vessels. No evidence was found to support the thesis that beta-blockade may evoke a redistribution in perfusion which favours the potentially ischaemic areas of myocardium. Left ventricular cavity size remained unchanged after acebutolol, a cardioselective beta-blocking compound with some degree of agonist activity.
- Bookby J. H. Denison, with a prefatory note by George Foot Moore.Digital Access Full text via HathiTrust, 1928