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Table 3 Linear correlation of RV-PA coupling-unit parameters

From: Prognostic value of mean velocity at the pulmonary artery estimated by cardiovascular magnetic resonance as a prognostic predictor in a cohort of patients with new-onset heart failure with reduced ejection fraction

CMR-derived variables

Pearson correlation-coefficient

p-value

MvPA – PVR (WU)

−0.785

< 0.001

MvPA- Emax/Ea

−0.205

0.003

MvPA – PA pulsatility (%)

+ 0.351

< 0.001

MvPA – RVEF (%)

+ 0.290

< 0.001

Echocardiographic variables

Pearson correlation-coefficient

p-value

mvPA – TAPSE (mm)

+ 0.116

0.211

mvPA – TAPSE/PAPs ratio (mm/mmHg)

+ 0.161

0.133

RHC variables

Pearson correlation-coefficient

p-value

PA compliance (ml/mmHg)

+ 0.455

0.008

Pulse pressure (mmHg)

−0.433

0.004

  1. CMR cardiovascular magnetic resonance. Ea effective elastance. Emax right ventricular maximal end-systolic elastance. mvPA mean velocity at the pulmonary artery. PA pulmonary artery. PVR pulmonary vascular resistance. RHC right heart catheterisation. RVEF right ventricular ejection fraction. TAPSE tricuspid annular plane excursion. WU wood units