Discussion
and radial myocardial deformations, myocardial muscle
AMI, CONTRACTION
This present study investigated the hypothesis that cardiovascular rehabilitation by a supervised exercise program would have a positive impact on the LV contraction mechanics in a population after an uncomplicated AMI. There is a lack of knowledge, with few studies investigating the real benefit of exercise on LV remodeling, with analysis of LV contraction mechanics in this population. To date, to the best of our knowledge, this is the first study to investigate this hypothesis in such a detailed way, considering the large number of LV contraction parameters including those of LV systolic mechanics analyzed in our study. In this work, we used the speckle tracking to further investigate LV systolic function. This technique has being proved superior to LVEF in myocardial contraction assessment, as it is less susceptible to hemodynamic conditions, more reproducible,Regarding longitudinal, circumferential and radial myocardial deformations, in general, the TRAINING group did not have a superior contraction performance over the CONTROL group up to 4 months post-AMI. Although the TRAINING group showed a significant increase in exercise duration, maximum workload achieved and peak VOExtrapolating to highly-trained athletes, despite some contrasts in the findings, studies point to a common and final real impact of exercise on LV torsional mechanics. Stöhr et al. described a reduction of apical rotation and LV twist in individuals with high aerobic fitness.The most accepted design of the myocardial muscle architecture is that proposed by Torrent-Guasp et al.,The effect of exercise on LV strain is still unclear. In a systematic review and meta-analysis, Murray et al.