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Thorac Cardiovasc Surg 1979; 27(2): 98-103
DOI: 10.1055/s-0028-1096226
Copyright © 1979 by Georg Thieme Verlag

Regional Myocardial Blood Flow after Hypothermic Arrest and Cardioplegia

U. Mittmann, I. Baća, K. Fey, W. W. Saggau, R. Stadler, H. G. Stieglitz, H. Storch
  • Department of Experimental Surgery, Department of Thoracic Surgery, and Department of General Surgery, University Hospital Heidelberg
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Publikationsdatum:
10. Dezember 2008 (online)

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Summary

Malperfusion due to increased coronary vascular resistance is presumably one of the factors responsible for incomplete functional recovery of the heart after aortic cross-clamping. Myocardial blood flow (MBF, radioactive microspheres) was measured before and after 60 min of hypothermic ischemia in 16 dogs on cardiopulmonary bypass. After ischemia the hearts were reperfused for 30 min. MBF was measured in the empty beating heart and in the isovolumetrically contracting ventricle loaded with enddiastolic volumes (EDV) of 10, 20 and 30 ml (intraventricular latex balloon).

Key-Words:

Myocardial blood flow - Hypothermia - Cardioplegia - Ischemic cardiac arrest

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