Table 1—

Patients' baseline characteristics and haemodynamics

Age yrs39±9
Sex female/male7/2
NYHA class III/IV8/1
6MWD m337±73
Mean right atrial pressure mmHg9±5
Mean pulmonary arterial pressure mmHg62±12
Cardiac output L·min−13.1±0.7
Cardiac index L·min−1·m−21.6±0.3
Pulmonary vascular resistance dynes·s·cm−51549±440
Mixed venous oxygen saturation %53±10
  • NYHA: New York Heart Association; 6MWD: 6-min walk distance. 1 mmHg=0.133 kPa