[Experimental revascularization of acute myocardial infarct].

Late clinical and istological changes. The Authors studies clinical and istological changes in dogs underwent to actue myocardial ischemia and follow revascularization after six hours. The experience infer that while clinical and ECGraphic changes had a patency grow worsing after revascularization, istological changes presents a reduction of necrotic area with functional improvement of little myocardial areas strictly interested by ischemia.