Cardiovascular magnetic resonance feature tracking technique in diagnosis of early hypertensive heart disease / 中国介入影像与治疗学

ABSTRACT

Objective: To explore the value of cardiovascular magnetic resonance feature tracking (CMR-FT) in diagnosis of early hypertensive heart disease (HHD). Methods: Totally 54 patients with HHD were selected, including 26 patients with left ventricular ejection fraction (LVEF) ≤50% (LVEF≤50% group) and 28 LVEF>50% (LVEF>50% group). Forty healthy volunteers were selected in control group. Cardiac magnetic resonance (CMR) was performed to obtain the cardiac function parameters and global longitudinal strain (GLS). Results: There were significant differences of left ventricular function parameters, including left ventricular end-diastolic volume (LVEDV), left ventricular end-systolic volume (LVESV), stroke volume (SV), LVEF, cardiac output (CO), cardiac index (CI), heart rate (HR), left ventricular systolic mass (MyoMass [Diast]), diastolic mass (MyoMass [Syst]) and GLS among all 3 groups and between each 2 groups (all P<0.05). GLS were positive correlated with LVEDV, LVESV, HR, MyoMass (Diast) and MyoMass(Syst) (r=0.340, 0.460, 0.284, 0.640, 0.570, all P<0.01) but negative correlated with SV, LVEF, CO and CI (r=-0.223, -0.516, -0.052, -0.260, all P<0.01). Conclusion: CMR-FT can be used to evaluate the left ventricular function, which is helpful for early diagnosis of HHD.