
Keywords: 6 دقیقه پیاده روی; 6MWD; 6-minute walking distance; BMI; body mass index; CLAD; chronic lung allograft dysfunction; CO; cardiac output; CTEPH; chronic thromboembolic pulmonary hypertension; DLT; double-lung transplantation; ECLS; extracorporeal life support; ECMO; extracorp