Table 3.

Relationship Between Left Ventricular Shape and Invasive Hemodynamics

Shape Measure	MPAP	P Value	MPAP/MAP	P Value	PVRi	P Value	PVR/SVR	P Value
Diastolic EI	0.52 (0.33-0.67)	<0.0001	0.52 (0.32-0.67)	<0.0001	0.69 (0.54-0.79)	<0.0001	0.52 (0.32-0.67)	<0.0001
Systolic EI	0.62 (0.46-0.74)	<0.0001	0.66 (0.51-0.77)	<0.0001	0.64 (0.48-0.76)	<0.0001	0.64 (0.48-0.76)	<0.0001
Maximal EI	0.66 (0.50-0.77)	<0.0001	0.69 (0.54-0.79)	<0.0001	0.68 (0.53-0.78)	<0.0001	0.66 (0.50-0.77)	<0.0001
Diastolic RV:LV Ratio	0.51 (0.32-0.66)	<0.0001	0.50 (0.30-0.65)	<0.0001	0.68 (0.53-0.78)	<0.0001	0.50 (0.30-0.66)	<0.0001
Systolic RV:LV Ratio	0.59 (0.42-0.72)	<0.0001	0.60 (0.43-0.73)	<0.0001	0.61 (0.44-0.74)	<0.0001	0.63 (0.47-0.76)	<0.0001

Presented as correlation coefficient (95% confidence interval).

EI = eccentricity index; LV = left ventricle; MAP = mean (systemic) arterial pressure; MPAP = mean pulmonary arterial pressure; PVRi = indexed pulmonary vascular resistance; RV = right ventricle; SVR = systemic vascular resistance.