Patients with idiopathic bronchiectasis who received right heart catheterization (RHC) were included to evaluate the consistency between pulmonary arterial pressure (PAP) and other noninvasive indicators (pulmonary arterial systolic pressure \[PASP\] calculated by echocardiography, main pulmonary artery \[MPA\] diameter and MPA/ascending aorta ratio on chest high-resolution computed tomography \[HRCT\]). Then the optimal noninvasive indicator for identify PH was determined and its critical point was obtained according to the Youden Index. Based on this, we investigate the proportion, risk factors and prognosis of PH in idiopathic bronchiectasis patients in another large-scale population.
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The optimal noninvasive indicator for identify pulmonary hypertension
Timeframe: April/01/2011-Decemeber/31/2019
Differance of some indexes between Bronchiectasis with pulmonary hypertension and Bronchiectasis without pulmonary hypertension
Timeframe: May/01/2013-Decemeber/31/2019