CONTRAST ECHOCARDIOGRAPHY DURING CARDIAC-CATHETERIZATION in PATIENTS WITH CONGENITAL HEART-DISEASES
Data
1993-06-01
Autores
Andrade, José Lazaro 
Morhy, Samira Saady
Carvalho, Antonio Carlos
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Contrast echocardiography performed during cardiac catheterization has mostly been limited to a few published case reports. We studied 37 patients with congenital heart disease to assess the capability of the method to diagnose cardiac shunts and valve regurgitation. Injections of 5% dextrose in water through an angiographic catheter were made to evaluate septal integrity and valve competence compared with conventional contrast angiography. An overall sensitivity of 93% and specificity of 78% were found. in four cases of atrial septal defect and seven of mitral regurgitation, the sensitivity was 1 00%. It was slightly lower for eleven cases of ventricular septal defect (91%) and four of patent ductus arteriosus (75%). When assessing aortic, tricuspid and pulmonary valve competence, the method proved to be more sensitive than conventional angiography to detect mild regurgitation. Contrast echocardiography is a sensitive and safe technique that may be used in association with conventional angiography reducing the need for radiographic: contrast and ionizing radiation time.
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Catheterization and Cardiovascular Diagnosis. New York: Wiley-liss, v. 29, n. 2, p. 117-121, 1993.