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Cardiovascular Disease: Cardiovascular Disease |

Velocity Time Integral and Computed Tomography Measured Pulmonary Artery Diameter for the Non-Invasive Estimation of Cardiac Output: A Pilot Study

Van Derick Mangulabnan, MD; Alex Balekian, MD; Alison Wilcox, MD; Vivian Mo, MD
Author and Funding Information

Keck Hospital of USC, Los Angeles, CA


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;150(4_S):77A. doi:10.1016/j.chest.2016.08.085
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Extract

SESSION TITLE: Cardiovascular Disease

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 26, 2016 at 01:30 PM - 02:30 PM

PURPOSE: Although transthoracic echocardiogram (TTE) can assess ventricular function and estimate pulmonary hemodynamics, right heart catheterization (RHC) continues to be the gold standard for quantifying cardiac output (CO) and pulmonary pressures. Attempts have been made to quantify CO using velocity time integrals (VTI) of the left ventricular outflow tract, but poor visualization of the tract and its elliptoid shape make these estimations unreliable. Our aim was to perform a pilot project to estimate CO using pulmonary artery (PA) diameter on computed tomography scan and VTI within the PA on echocardiogram.

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