Noninvasive Doppler tissue measurement of pulmonary artery compliance in children with pulmonary hypertension.

Abstract

BACKGROUND We have shown previously that input impedance of the pulmonary vasculature provides a comprehensive characterization of right ventricular afterload by including compliance. However, impedance-based compliance assessment requires invasive measurements. Here, we develop and validate a noninvasive method to measure pulmonary artery (PA) compliance… (More)

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