Objective: We sought to examine the hemodynamic effects at 1 month and 1 year of left ventricular reconstruction by means of endoventricular patch plasty for patients with acute or chronic, very severe post-myocardial infarction heart failure who would have been systematically excluded from the Surgical Treatments for Ischemic Heart Failure (STICH) trial.
Methods: From 2002 to May 2008, 274 patients underwent left ventricular reconstruction for post-myocardial infarction scarring; 117 of these patients would not have been eligible for the STICH trial. The pertinent criteria for exclusion included 12 patients with no coronary vessel suitable for coronary artery bypass grafting; 17 patients within a month of myocardial infarction, including 11 with acute heart failure (8 septal ruptures and 3 cases of ventricular tachycardia); 48 patients receiving intravenous inotropes, intra-aortic balloon pumping, or both; 15 patients with bifocal or posterior scarring; 4 patients scheduled for heart transplantation; and 21 patients meeting 5 other exclusion criteria.
The left ventricular reconstruction (LVR) with endoventricular circular patch plasty (EVCPP) was reported in 1984 as a surgical method to rebuild left ventricular aneurysm or asynergy after myocardial infarction. Scarred LV wall can be dyskinetic or akinetic according to the type of infarction (transmural or not), and the progressive dilatation of LV (remodeling) depends on the size of the asynergic scar. Assessment of this extension and of LV volume and performances, is easy and reliable by magnetic resonance (CMR).
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October 2001
The first experience with endoventricular circular patch plasty (EVCPP) was reported in 1984 as a surgical method to rebuild left ventricular (LV) geometry made more spheric after myocardial infarction. The consequence is dilated ischemic cardiomyopathy. In anterior infarction, the free LV wall and septum are scarred and become dyskinetic or akinetic.
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