Assessing right ventricular function in patients with pulmonary hypertension based on noninvasive measurements: correlation between cardiac MRI, ultrasonic cardiogram, multidetector CT and right heart catheterization

Table 1 Correlation coefficients of right ventricular function parameters between CMRI, CUS,M DCT and RHC.

	6MWD		RHC-SV		RCWI		RVSWI
	r	P	r	P	r	P	r	P
MRI-SV(n=31)	0.073	0.713	0.457	0.010	0.322	0.077	0.324	0.075
MRI-EF	0.473	0.011	0.557	0.001	0.389	0.031	0.307	0.093
MRI-VMI	-0.472	0.011	-0.444	0.012	-0.259	0.159	-0.173	0.351
US-SV(n=28)	-0.268	0.186	0.016	0.937	-0.201	0.305	-0.071	0.718
US-EF	-0.019	0.923	0.406	0.026	0.015	0.939	0.023	0.905
US-Tei	-0.175	0.448	-0.480	0.024	-0.387	0.075	-0.419	0.042
US-RVFAC	0.046	0.822	0.385	0.043	0.289	0.136	0.199	0.311
CT-RVd(n=25)	-0.373	0.079	-0.502	0.011	-0.486	0.014	-0.468	0.018
CT-RVa	-0.351	0.109	-0.488	0.016	-0.342	0.102	-0.362	0.082
CT-Cobb angle	-0.569	0.004	-0.503	0.003	-0.430	0.025	-0.395	0.041
CT-RVWT	-0.098	0.666	-0.279	0.186	-0.024	0.911	0.023	0.914

6MWD, 6-min walking distance; EF, ejection fraction; VMI, ventricular mass index; RCWI, right cadiac work index; RHC, right heart catheterization; RVa, right ventricular diastole maximum area; RVd, right ventricular internal diameter; RVFAC, right ventricular fractional area change; RVSWI, right ventricular stroke work index; RVWT, right ventricular free wall thickness; SV, stroke volume; Tei, Tie index; P<0.05.

ISSN: 1532-429X