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Effect of Calcium Antagonists on Ultrastructure of Myocardial Microvessels during Open Heart Surgery under Conditions of Pharmacological and Cold Cardioplegia

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Abstract

Ultrastructure of myocardial microvessels was examined during surgical correction of congenital heart disease (ventricular septal defect) under conditions of cold and pharmacological low-potassium cardioplegia without perfusion. Addition of calcium antagonist verapamil to cardioplegic solution prevented postischemic damage to vascular and perivascular structures occurring during reperfusion and body temperature rise.

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Volkov, A.M., Kazanskaya, G.M., Chasovskikh, G.G. et al. Effect of Calcium Antagonists on Ultrastructure of Myocardial Microvessels during Open Heart Surgery under Conditions of Pharmacological and Cold Cardioplegia. Bulletin of Experimental Biology and Medicine 132, 827–831 (2001). https://doi.org/10.1023/A:1013154231069

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  • DOI: https://doi.org/10.1023/A:1013154231069

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