Echocardiography in the Catheterization Laboratory
Advances in echocardiography technique have reduced the importance of angiography for diagnosis and delineation of the anatomic details of congenital heart lesions, and have eliminated the need for hemodynamic catheterization in many cases. Simultaneously, however, the expanded role of interventional catheterization in the care of patients with congenital heart disease has more than filled the gap left by the dwindling need for diagnostic catheterization. Echocardiography has become invaluable in determining the morphology of a lesion and in assessing candidacy and likelihood of success of many interventional procedures. In addition, interventional procedures can be complicated by cardiac perforation, vessel and valve injury, and migration of catheter-delivered devices. Echocardiography monitoring during interventional procedures helps guide balloon and device positioning, while providing immediate assessment of results and identification of complications. Potential for reduced radiation exposure and contrast load is an added benefit of echocardiography monitoring during interventions. For these reasons, echocardiography has become an integral part of cardiac catheterization in many children and adults with congenital heart disease.
KeywordsAtrial Septal Defect Ventricular Septal Defect Ventricular Septal Defect Transesophageal Echocardiography Balloon Atrial Septostomy
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