Evaluation of right ventricular transverse strain and strain rate in patients with acute inferior STEMI: a cardiac magnetic resonance feature tracking study

Right ventricle (RV) dysfunction is associated with poor clinical outcomes and it‘s early detection is of critical importance in daily clinical practice. Magnetic resonance imaging is a technique that is becoming widely used, which allows for detection of the global and regional myocardial function, myocardial edema, scar size, as well as measures of prognostic significance: myocardium at risk, myocardial salvage, and microvascular obstruction. With the development of myocardial feature tracking in 2009, came the era of precise deformation measurements in CMRI. The aim of this study was to evaluate longitudinal and transverse strain and strain rate of RV free wall in patients with acute inferior ST segment elevation myocardial infarction (STEMI) using cardiac magnetic resonance (CMR) feature tracking.A total of 37 subjects were included in this study and underwent CMR analysis. TomTec 2D Cardiac Performance Analysis software was used to asses the strain and strain rate of the subjects. Statistical analysis was performed using the IBM SPSS statistics 20 software. The longitudinal strain of the free wall (EllDS) as well as longitudinal strain rate (SRllDS) were the same between the groups. Patients with acute inferior STEMI demonstrated lower mean RV free wall transverse strain (ErrDS, 23,3 ± 9,3 vs 12,1 ± 8.66, p=