Clinical Features and Prognosis of Takayasu's Arteritis With Pulmonary Arteries Involvement

Who May Qualify: - Hospitalized between Jan 1, 2016 and Dec 31, 2026 - Diagnosed with TAK according to the modified Ishikawa criteria and/or 1990 American College of Rheumatology criteria and/or 2022 ACR/EULAR criteria - Diagnosed with pulmonary artery involvement using computed tomography pulmonary angiography or transcatheter pulmonary angiography - Patients without aortic or primary branch involvement who nonetheless exhibited both clinical features and computed tomography-confirmed evidence of pulmonary artery involvement (PAI), after exclusion of other diseases causing pulmonary artery stenosis or occlusion Who Should NOT Join This Trial: - Patients with PAI caused by non-TAK diseases such as other types of vasculitis, fibrosing mediastinitis, pulmonary artery sarcoma, pulmonary sarcoidosis or chronic thromboembolic pulmonary hypertension Always talk to your doctor about whether this trial is right for you.