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DOI:10.2214/AJR.09.2802
AJR 2010; 194:110-118
© American Roentgen Ray Society

Clinical Perspective

Role of 64-MDCT in Evaluation of Pulmonary Atresia With Ventricular Septal Defect

Ramiah Rajeshkannan1, Srikanth Moorthy1, Karumathil Pullara Sreekumar1, Pothera Veetil Ramachandran1, Raman Krishna Kumar2 and Kavaseri Subramaniiyer Remadevi2

1 Department of Radiology, Amrita Institute of Medical Sciences, Ponekara (PO), Ernakulam, India 682041.
2 Department of Pediatric Cardiology, Amrita Institute of Medical Sciences, Ernakulam, India.

Abstract

OBJECTIVE. The purposes of this article are to describe the technical factors in performing 64-MDCT of pulmonary atresia with ventricular septal defect (PA-VSD), to describe the anatomic variations in pulmonary arterial circulation and other associated anomalies, and to describe the postoperative evaluation of this condition.

CONCLUSION. The management of this complex condition has been largely determined by the morphology of pulmonary arteries and the extracardiac sources of pulmonary blood supply. Although echocardiography and catheter angiography are the traditional imaging techniques used to diagnose PA-VSD, 64-MDCT has become a valuable noninvasive imaging technique in comprehensive evaluation of this condition.

Keywords: congenital heart disease • CT • CT angiography • cyanosis • major aortopulmonary collateral arteries • MDCT • pulmonary atresia with ventricular septal defect


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