Table 6. LV quantitative measures in etiology subgroups.
Parameter | Patients with PH (n=32) | Patients without PH (n=35) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SegBH, mean ± SD | RTCSCineMoCo | RTCSCine | SegBH, mean ± SD | RTCSCineMoCo | RTCSCine | ||||||||
Mean ± SD | P value* | Mean ± SD | P value* | Mean ± SD | P value* | Mean ± SD | P value* | ||||||
LVEF (%) | 60.6±12.2 | 60.5±11.6 | 0.877 | 59.5±10.6 | 0.096 | 54.4±14.5 | 54.4±13.9 | 0.894 | 52.1±14.3 | 0.001‡ | |||
LVEDV (mL) | 110.0±39.2 | 110.8±38.6 | 0.415 | 110.4±40.4 | 0.707 | 138.8±49.1 | 140.0±48.2 | 0.259 | 140.5±48.7 | 0.300 | |||
LVESV (mL) | 44.2±28.4 | 44.9±28.5 | 0.282 | 45.9±28.7 | 0.025‡ | 67.2±40.9 | 67.1±39.8 | 0.862 | 71.0±41.8 | <0.001‡ | |||
LVSV (mL) | 65.8±23.8 | 66.0±22.7 | 0.813 | 64.6±22.1 | 0.244 | 71.6±23.2 | 72.9±22.9 | 0.076 | 69.5±23.1 | 0.139 | |||
LVM (g) | 80.1±30.0 | 78.1±31.2 | 0.062 | 75.4±30.9 | 0.001‡ | 101.3±30.8 | 102.2±32.9 | 0.385 | 95.2±34.1 | 0.012‡ | |||
GRS (%) | 32.2±11.7 | 31.4±10.1 | 0.330 | 30.1±9.1 | 0.044‡ | 26.1±10.6 | 24.8±9.7 | 0.004† | 22.9±9.9 | <0.001‡ | |||
GCS (%) | −18.2±4.9 | −17.5±4.2 | 0.023† | −17.0±3.8 | 0.004‡ | −15.9±4.5 | −15.0±4.2 | <0.001† | −14.0±4.3 | <0.001‡ | |||
GLS (%) | −16.7±4.1 | −12.5±3.6 | <0.001† | −10.7±3.2 | <0.001‡ | −14.9±3.7 | −11.3±2.9 | <0.001† | −9.8±2.7 | <0.001‡ |
*, P values were obtained by paired t-test; †, P<0.05, RTCSCineMoCo versus SegBH; ‡, P<0.05, RTCSCine versus SegBH. GCS, global circumferential strain; GLS, global longitudinal strain; GRS, global radial strain; LV, left ventricular; LVEDV, left ventricular end-diastolic volume; LVEF, left ventricular ejection fraction; LVESV, left ventricular end-systolic volume; LVM, left ventricular mass; LVSV, left ventricular stroke volume; PH, pulmonary hypertension; RTCSCine, real-time cine imaging with compressed sensing; RTCSCineMoCo, real-time cine imaging combines compressed sensing reconstruction and retrospective fully automated respiratory motion correction; SD, standard deviation; SegBH, segmented acquisition with retrospective electrocardiogram gating and breath-hold.