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Abstract #3951

The pant leg area sum index: New pulmonary MRA metric for the determination of Pulmonary arterial Hypertension

Phillip Kilgas 1 , Alejandro Roldan-Alzate 1 , Eric Schrauben 2 , Naomi Chesler 3 , Christopher Franois 1 , and Mark L. Schiebler 1

1 Radiology, UW-Madison, Madison, Wisconsin, United States, 2 Medical Physics, UW-Madison, WI, United States, 3 Bioengineering, UW-Madison, Madison, WI, United States

We sought to determine the utility of a new metric, pant leg volume, derived from the sum of the pulmonary trunk and proximal portions of the right and left pulmonary arteries for the non invasive determination of pulmonary artery hypertension. We found that the non indexed measurements of pant leg volume had the most significant t test value for the determination of elevated pulmonary arterial pressures.

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