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Abstract #1214

Evaluate Myocardial Circumferential Kinetic Energy for Patients with Repaired Tetralogy of Fallot

Shi-Ying Ke1, Meng-Chu Chang1, Ming-Ting Wu2, Ken-Pen Weng3,4, and Hsu-Hsia Peng1
1Department of Biomedical Engineering and Environmental Sciences, National TsingHua University, Hsinchu, Taiwan, 2Department of Radiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, 3Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, 4Department of Pediatrics, National Yang-Ming University, Taipei, Taiwan

This study aims to evaluate biventricular myocardial circumferential kinetic energy (KEØ) for assessment of regional myocardial function in repaired tetralogy of Fallot (rTOF) patients with preserved global cardiac function. The tissue phase mapping (TPM) was acquired in the basal, mid, and apical slices in the left and right ventricles. We found the altered KE values and abnormal distribution of three-directional %KE in rTOF patients. In conclusion, the altered myocardial KEØ may provide useful information for assessment of regional myocardial function in rTOF patients with preserved global cardiac function.

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