[Comparative study of functional and structural changes produced in a porcine model of acute and chronic heart attack].

Introduction And Objectives: Animal models are a useful tool for the evaluation of disease mechanisms and also for technologies for diagnosis and treatment. In this study we performed a descriptive analysis of the functional and structural cardiac changes occurred as a result of acute coronary occlusion in pigs and its evolution during 5 weeks.

Methods: 19-Large White pigs, weighing 20kg, randomized into 3-experimental series were used.