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Abstract #2882

Cardiovascular Magnetic Resonance (CMR) imaging quantification of right and left ventricular strain in repaired Tetralogy of Fallot: Preliminary results in 10 patients and 10 normal volunteers

Donald Benson1, Mark L. Schiebler1, Zach Borden1, and Christopher J Francois1

1Department of Radiology, University of Wisconsin-Madison, Madison, WI, United States

Patients with repaired Tetralogy of Fallot (rTOF) have worsening right and left ventricular function due to their lack of a functional pulmonary valve and the resulting pulmonary insufficiency. Determining the severity of this dysfunction is important for deciding when interventions like pulmonary valve replacement become necessary. Radial and longitudinal myocardial strain is a functional parameter than can aid in this clinical decision. In this small study, myocardial strain was calculated using tissue tracking software applied to axial cine balanced steady-state free precession (bSSFP) images. Significant differences in RV and LV radial and longitudinal strain were found between patients with rTOF and healthy volunteers.

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