Pulmonary artery to aorta ratio for the detection of pulmonary hypertension: cardiovascular magnetic resonance and invasive hemodynamics in heart failure with preserved ejection fraction

Table 2 Dimensions of the great arteries and indices of right ventricular hypertrophy for the prediction of moderate/severe pulmonary hypertension

Variable	mPAP < 30 mmHg 40 patients (36 %)	mPAP ≥ 30 mmHg 71 patients (64 %)	All 111 patients	p-value
PA diameter [mm]	26.3 ± 5.1	30.9 ± 5.1	29.2 ± 5.5	<0.001
Ao diameter [mm]	33.6 ± 4.3	33.4 ± 4.1	33.5 ± 4.1	0.856
PA:Ao ratio	0.79 ± 0.1	0.93 ± 0.2	0.89 ± 0.2	<0.001
SMT diameter [mm]	3.8 ± 1.2	4.6 ± 1.2	4.3 ± 1.4	0.008
SMT area [mm²]	0.96 ± 0.3	1.11 ± 0.5	1.06 ± 0.4	0.136
RVFW [mm]	4.0 ± 1.2	4.3 ± 1.1	4.2 ± 1.2	0.183

PA indicates pulmonary artery, Ao ascending aorta, RVFW right ventricular free wall, SMT septomarginal trabeculation

ISSN: 1532-429X