Comparison of characteristics and haemodynamic data between patients with and without lung injury after balloon pulmonary angioplasty

VariablesWith lung injury (n=63)Without lung injury (n=121)p-value
Baseline characteristics
 Age years62.3±14.864.0±13.30.422
 Male34 (54.0)60 (49.6)0.573
 NYHA FC % (I,II/III,IV)28.6/71.440.0/60.00.126
 6MWD m359±131417±1060.003
Baseline haemodynamics
 Mean RAP mmHg8.7±3.98.1±4.00.415
 Mean PAP mmHg48.6±9.741.7±9.0<0.001
 Cardiac index L·min−1·m−22.55±0.482.79±0.700.014
 PVR dyn·s·cm−5727±261549±231<0.001
PAH therapy at baseline
 No treatment/monotherapy/combination therapy %32/25/4341/27/320.274

Data are presented as mean±sd or n (%), unless otherwise stated. NYHA FC: New York Heart Association functional class; 6MWD: 6-min walk distance; RAP: right atrial pressure; PAP: pulmonary artery pressure; PVR: pulmonary vascular resistance; PAH: pulmonary arterial hypertension.