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Review Article

JCDR. 2014; 5(3): 13-21


Computed Tomography Pulmonary Angiography in Evaluation of Congenital Heart Diseases

Amit Nandan Dhar Dwivedi, Kumar Ishan, Tripathi Suchi.


Abstract

Congenital heart disease (CHD) still accounts for significant morbidity and mortality, despite major advances in diagnosis
and management. A significant proportion of CHD is still undiagnosed at birth emphasizing the need for a detailed history
and meticulous clinical examination. CHD is common and early detection and comprehensive functional and physiological
evaluation is very important. Usually echocardiography is the initial diagnostic modality for patients with suspected CHD;
in some patients this modality can be limited in its ability to delineate great artery and intracardiac anomalies, pulmonary
veins, and coronary arteries. Magnetic resonance imaging is an excellent tool due to its non-ionizing nature and exquisite
anatomic and functional capabilities. Computed tomography (CT) pulmonary angiography can be used to assess complex
cardiovascular anatomic features both before and after surgery and of a variety of post-treatment complications. In CHD
it is very important to have extensive knowledge of cardiovascular anatomy, physiology, and surgical techniques. Recent
developments in CT technology primarily by reducing the cardiac motion and the radiation dose usage in CHD evaluation
have helped expand the indications for CT usage. It has become a very useful complementary tool to guide the proper
medical and surgical management. The purpose of the article is to review the role of CT pulmonary angiography in the
evaluation of congenital cardiovascular disease with emphasis on its type, nature and anatomic details.

Key words: Cardiac anomalies, congenital heart disease, computed tomography pulmonary angiography, imaging






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