Abstract
The acute infarction of myocardium results of the temporary blockage of coronary with reduction of blood for part of the myocardium, some minutes of interruption of the sanguineous flow are sufficient for the establishment of injury. Was catheterized the distal portion of the origin of the first diagonal branch of coronary interventricular left artery from two swine and a solution of haemostatic gelatin sponge was infused. After a period of 21 days the animals had been euthanized and the heart was processed for light microscopy, show an expressive scar in the apical region of the left ventricle in an animal whereas in the other, the injury was located in the left ventricular wall, and with lesser extension. It was possible also to observe the presence of areas not pertaining to the infarction region, with great collagen deposit, suggesting a heterogeneous process. In such a way, we can conclude that this technique is not interesting for the development of acute experimental model of infarction of the myocardium. Keywords: Acute myocardial infarct, animal model, gelatin haemostatic sponge.
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