Table 4. Correlation of echocardiographic RV parameters with hemodynamics.

RHC parameter	TAPSE		RV S’		RIMP		RVFAC		RVFS		3DRVEF		RV-SD6
	r	P	r	P	r	P	r	P	r	P	r	P	r	P
Mean PAP, mmHg	−0.24	0.02	−0.20	0.07	0.17	0.1	−0.41	< 0.0001	0.51	< 0.0001	−0.62	< 0.0001	0.46	< 0.0001
PVR, WU	−0.34	0.001	−0.31	0.004	0.25	0.02	−0.39	0.0002	0.60	< 0.0001	−0.61	< 0.0001	0.44	< 0.0001
Mean RAP, mmHg	−0.11	0.3	−0.16	0.1	−0.09	0.4	−0.20	0.06	0.14	0.2	−0.31	0.005	0.16	0.1
CI, L/min per m2	0.31	0.003	0.43	< 0.0001	−0.14	0.2	−0.30	0.006	−0.39	0.0004	0.26	0.02	−0.23	0.03

Abbreviations: RV indicates right ventricular; RHC, right heart catheterization; PAP, pulmonary arterial pressure; PVR, pulmonary vascular resistance; RAP, right atrial pressure; CI, cardiac index; TAPSE, tricuspid annular plane systolic excursion; RIMP, right ventricular index of myocardial performance; RVFAC, right ventricular fractional area change; RVFS, right ventricular free wall global strain; 3DRVEF, three-dimensional right ventricular ejection fraction.