Left ventricular global longitudinal strain predicts elevated cardiac pressures and poor clinical outcomes in patients with non-ischemic dilated cardiomyopathy

Table 3 Correlations between echocardiographic parameters and invasive hemodynamic ones

	PCWP, mmHg		mPAP, mmHg		PVR, Wood units		Cardiac index, l/min/m²
	r	p	r	P	r	p	r	p
DT, ms	-0,13	0.42	-0.17	0.28	-0.4	0.01	0.21	0.21
E/A	0.22	0.21	0.38	0.03	0.62	< 0.0001	-0.55	< 0.01
Average E/e’	0.37	0.02	0.36	0.02	0.31	0.048	-0.02	0.92
TR velocity, m/s	0.54	< 0.001	0.59	< 0.0001	0.5	< 0.001	-0.19	0.24
LAVi, ml/m²	0.40	< 0.01	0.47	< 0.01	0.6	< 0.0001	-0.45	< 0.01
LVEF, %	-0.38	0.01	-0.41	< 0.01	-0.45	< 0.01	0.26	0.11
GLS, %	0.38	0.01	0.35	0.02	0.46	< 0.01	-0.31	0.06
E/GLS, [× 10²] cm/s	-0.5	< 0.01	-0.51	< 0.01	-0.65	< 0.0001	0.46	< 0.01

The bold font character means statistically significance (p < 0.05)
DT deceleration time, E/A ratio of early-diastolic LV inflow velocity (E) to atrial-systolic velocity (A), E/e’ ratio of early-diastolic LV inflow velocity (E) to early-diastolic mitral annular velocity (e´), E/GLS ratio of early-diastolic LV inflow velocity (E) to global longitudinal strain (GLS), GLS global longitudinal strain, LAVi left atrium indexed volume, LVEF left ventricular ejection fraction, PCWP pulmonary capillary wedge pressure, mPAP mean pulmonary arterial pressure, PVR pulmonary vascular resistance, TR tricuspid regurgitation

ISSN: 1476-7120