Cardiopulmonary and physiological parameters in case 2 at diagnosis and 6 months following initiation of chronic noninvasive ventilation

ParameterBaselinePost-noninvasive ventilation
 TRV m·s−14.33.3
 RVSP mmHg9048
 RV sizeModerate dilationNormal
 RV systolic functionModerate dysfunctionNormal
 TAPSE mm1418
Arterial blood gas
PaCO2 mmHg7546
PaO2 (mmHg)5267
 HCO3 mEq·L−14227
Pulmonary function tests
 FEV1 % of predicted5359
 FVC % of predicted5662
 TLC % of predicted5660
DLCO (%)4265
Right heart catheterisation
 Systolic/diastolic PAP mmHg80/32
 Mean PAP mmHg47
 PAWP mmHg12
 DPG mmHg20
 CO/CI L·min−13.8/2.2
 PVR Wood units9.3
 RAP mmHg13
SvO2 %62
  • TRV: tricuspid regurgitation velocity; RVSP: right ventricular systolic pressure; RV: right ventricle/ventricular; TAPSE: tricuspid annular plane systolic excursion; PaCO2: arterial carbon dioxide tension; PaO2: arterial oxygen pressure; HCO3: bicarbonate ion; FEV1: forced expiratory volume in the 1 s; FVC: forced vital capacity; TLC: total lung capacity; DLCO: diffusing capacity of the lung for carbon monoxide; PAP: pulmonary arterial pressure; PAWP: pulmonary artery wedge pressure; DPG: diastolic pressure gradient; CO: cardiac output; CI: cardiac index; PVR: pulmonary vascular resistance; RAP: right atrial pressure; SvO2: mixed venous oxygen saturation.