Cardiovascular effects of acetaldehyde in guinea pigs.
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1981-07-01
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The hemodynamic effects of intravenous administration of acetaldehyde were determined in anesthetized control (group I), propranolol pretreated (group II) and phentolamine pretreated (group III) guinea pigs. Acetaldehyde produced an immediate and significant increase in mean arterial pressure followed by its progressive decrease resulting in hypotension. Heart rate increased significantly. In propranolol treated animals, acetaldehyde-induced tachycardia was not produced whereas in phentolamine treated animals, the initial pressor response was converted into a depressor one. Hence the increase in mean arterial pressure and heart rate produced by acetaldehyde are likely to be due to catecholamine release from adrenergic nerve endings.
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Mohan M, Rai UC, Reddy LP, Prasanna CV, Ramakrishnan S. Cardiovascular effects of acetaldehyde in guinea pigs. Indian Journal of Physiology and Pharmacology. 1981 Jul-Sep; 25(3): 246-52