Anastomotic Blood Flow in Experimental Myocardial Infarction: A new method, using 133Xenon clearance, for repeated measurements during recovery
- 1 April 1967
- journal article
- Published by Oxford University Press (OUP) in Cardiovascular Research
- Vol. 1 (2) , 169-178
- https://doi.org/10.1093/cvr/1.2.169
Abstract
After tying the anterior descending coronary artery in dogs, solutions of 133Xenon were injected into the vessels of the infarct through a fine catheter over 10 days. The clearance of isotope, determined by an external counter, was a measure of anastomotic blood flow. Initially, mean flow was reduced to 25% of normal. After the third day, clearance rates increased, together with enlargement of interarteriolar anastomoses within the heart.Keywords
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