Evaluation of Tetralogy of Fallot and its Associations by Multi Detector Computed Tomography

Abstract

DCT proved to be a precious modality for decision-making in TOF patients. MDCT affords many advantages in comparison with echocardiography. MDCT is a non-operator dependent exam. MDCT is excellent in detecting intra-cardiac and extra-cardiac anomalies in pediatric patients with complex CHD such as TOF. It affords comprehensive anatomical information on pulmonary arterial tree development especially distal pulmonary arteries and major aortopulmonary collaterals in fine detail as part of the surgical preparation for TOF & pulmonary atresia. Confident detection and exclusion of coronary or extra cardiac vascular abnormalities is possible with MDCT and when the abnormality is present high level of accuracy of its anatomic description can be achieved. So, recommendation of this study is to perform ECG gated MDCT as a routine preoperative investigation for patients with TOF and other congenital heart disease to avoid surgical surprise or unexpected coronary or extra cardiac vascular anomalies missed by Echo & to get adequate detailed information about the pulmonary arteries & MAPCAs for determining treatment planning and predicting clinical outcome.

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