Key result
Right ventricular global radial strain assessed by MR-FT provided incremental prognostic value for future MACEs over conventional LVEF (HR 0.93; P=0.029).
Why the study?
Does cardiac magnetic resonance feature tracking (MR-FT) of biventricular strain parameters improve prognostic prediction of major adverse cardiac events compared to conventional methods in patients undergoing clinically indicated cardiac MR?
Cohort (n=364)
Does cardiac magnetic resonance feature tracking (MR-FT) of biventricular strain parameters improve prognostic prediction of major adverse cardiac events compared to conventional methods in patients undergoing clinically indicated cardiac MR?
Hazard Ratio: 0.93
p-value: p=0.029
Biventricular strain parameters assessed by MR-FT provide incremental prognostic value for future cardiac events beyond conventional ejection fraction measurements.
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RV radial strain may refine MACE risk stratification beyond LVEF; leaves open prospective validation before clinical use.
Yang et al. (2016) conducted a cohort in Clinically indicated cardiac MR examinations (n=364). Cardiac magnetic resonance feature tracking (MR-FT) biventricular strain parameters vs. Conventional disk-area summation methods (LVEF/RVEF) was evaluated on Major adverse cardiac events (MACEs) (HR 0.93, p=0.029). Right ventricular global radial strain assessed by MR-FT provided incremental prognostic value for future MACEs over conventional LVEF (HR 0.93; P=0.029).
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