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

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

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