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Pre- and Postoperative Evaluation of Congenital Heart Disease in Children and Adults with 64-Section CT¹

¹ From the Institute of Diagnostic Radiology (S.L., L.H., L.D., B.M., S.W., H.A.), Cardiovascular Center (E.O., R.J.), and Clinic for Cardiovascular Surgery (M.G., R.P.), University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland; and Congenital Cardiac Centre for Adults, Toronto General Hospital/University Health Network, Toronto, Ontario, Canada (E.O.). Received April 21, 2006; revision requested July 6 and received August 21; accepted December 6. Supported by the National Center of Competence in Research, Computer Aided and Image Guided Medical Interventions (NCCR-CO ME), of the Swiss National Science Foundation; and by the Georg und Bertha Schwyzer-Winiker Stiftung, Zurich, Switzerland. All authors have no financial relationships to disclose. Address correspondence to H.A. (e-mail: hatem.alkadhi{at}usz.ch).

Although echocardiography is the imaging method of choice for diagnostic, preoperative, and postoperative evaluation of congenital heart disease, computed tomography (CT) is a helpful complementary imaging modality, particularly for postoperative evaluation. A thorough understanding of the normal anatomy and the morphologic features of congenital heart diseases is a prerequisite for choosing the optimal CT technique and achieving an accurate diagnosis. Furthermore, a close collaboration with a cardiologist with special training and expertise in congenital heart diseases is required. A sequential segmental approach should be used in evaluating morphologic features, especially during the review of CT images obtained in patients with rare congenital cardiac defects and in postoperative adult patients. To accurately document and interpret the altered flow conditions in patients with congenital heart disease, knowledge of the wide spectrum of surgical procedures and familiarity with the dedicated protocols for performing 64-section CT are needed.

© RSNA, 2007

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