[Lipid peroxidation in myocardial mitochondria and the sarcoplasmic reticulum in short-term impairment of coronary circulation].

After short-term coronary insufficiency caused by administration of vasopressin, content of malonic dialdehyde and diene conjugates was increased in mitochondria and sarcoplasmic reticulum of rabbit myocardium. The alterations observed were prevented by means of preadministration of antioxidant belonging to 1,4-dihydropyridines.