Noninvasive Estimation of Systolic Pulmonary Artery Pressure Using Doppler Echocardiography in Patients with Chronic Obstructive Pulmonary Disease
作者： Jean-P. Laaban , Benoît Diebold , Robin Zelinski , Michel Lafay , Hanna Raffoul
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摘要: In patients with acquired or congenital heart diseases, the systolic pulmonary artery pressure (PAPs) can be predicted using continuous-wave Doppler ultrasound (CWD) measurement of peak velocity a tricuspid regurgitation (TR) jet. The aim this study was to determine whether CWD could used accurately estimate PAP in chronic obstructive disease (COPD). 41 stable COPD, we prospectively performed and right catheterization. mean value PAPs for entire group 38.5±14.9 mm Hg. Pulmonary arterial hypertension (PAPs ≥35 Hg) occurred 51 percent (21/41) patients. estimation impossible 34 (14/41) because poor signal quality (n=3), absence Doppler-detected TR (n = 8), inadequate (n=3). estimated 66 (27/41) A statistically significant correlation found between Doppler-estimated catheter-measured (r=0.65; p
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