Abstract #2172

MR-derived both ventricular volumetric analyses with a semi-automatic threshold-based segmentation algorithm in congenital heart diseases: Head-to-head validation in human heart model.

Yoshiaki Morita^1,2, Wataru Ueki², Yoskue Hayama³, Naoaki Yamada², Hideki Ota¹, Tetsuya Fukuda², and Kei Takase¹

¹Department of Radiology, Tohoku University Hospital, Sendai, Japan, ²Department of Radiology, National Cerebral and Cardiovascular Center, Suita,Osaka, Japan, ³Division of Pediatric Cardiology, National Cerebral and Cardiovascular Center, Suita,Osaka, Japan

This study aimed to validate cine MRI-derived ventricular volume measurements with a semi-automatic threshold-based segmentation algorithm in a model of congenital heart disease, by comparing it with the standard method of manual tracing MRI and angiocardiography. This novel method allowed more accurate and objective ventricular volumetry in both ventricles of congenital heart diseases and will be of great help for practical use.

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