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Abstract #2870

Evaluation of left ventricular (LV) geometric models for estimating LV volumes in 980 children using cardiac cine magnetic resonance imaging

Jiming Zhang1, Carlo Uribe2, Benjamin Cheong1,2, Amol Pednekar3, Paolo Angelini2, and Raja Muthupillai1,2

1Diagnostic and Interventional Radiology, CHI St Luke's Health, Houston, TX, United States, 2Center for Coronary Artery Anomalies, Texas Heart Institute, Houston, TX, United States, 3Philips Healthcare, Cleveland, OH, United States

The results from this study that included cine SSFP images of the LV from 980 children show that LV volumes computed using commonly used bi-plane and tri-plane ellipsoidal models deviate significantly when compared to LV volumes estimated from a stack of short axis slices. A cut-cone+cone model of the LV proposed in this manuscript can estimate metrics describing LV function (EDV, ESV, and EF) with just two projections that are comparable to that obtained from an entire stack of short-axis slices.

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