Abstract #2556

Single center experience with a prototype self-navigated 3D SSFP whole heart sequence in assessing coronary artery origin AUTHORS (LAST NAME

Arni Nutting¹, Amos Varga-Szemes², Shahryar Chowdhury¹, Davide Piccini³, and Anthony Hlavacek¹

¹Pediatrics, Medical University of South Carolina, Charleston, SC, United States, ²Radiology, Medical University of South Carolina, Charleston, SC, United States, ³Lausanne, Switzerland

We performed a retrospective review of studies obtained using a prototype, self navigated, free breathing 3D SSFP sequence. Scans were reviewed for diagnostic sensitivity of coronary artery origin, diagnostic quality, and were graded for the severity of respiratory or cardiac motion or blood pool inhomogeneity. A diagnostic scan was obtained in 80.7% of cases. Blood pool inhomogeneity was common but very rarely affected diagnosis. The greatest factor affecting diagnostic ability was cardiac motion. We concluded that self-navigated 3D sequences can provide excellent sensitivity in diagnosing coronary origins with significant time savings compared to diaphragm navigated sequences.

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