Resumen

MENDOZA, Lindolfo. Fetal echocardiography as a diagnostic test of congenital heart malformations. Rev. Nac. (Itauguá) [online]. 2013, vol.5, n.2, pp.21-31. ISSN 2072-8174.

ABSTRACT Introduction: congenital heart disease (CHD ) are the most common serious birth defects and one of the three leading causes of prenatal and perinatal mortality. Objectives: To determine the sensitivity and specificity of prenatal fetal echocardiography as a diagnostic test. Method: we conducted an observational analitic study of diagnostic test, temporarily retrospective, in women aged 15 to 47 years, pregnant women in the third trimester and infants hospitalized in the Gynecology and Obstetrics Department, FCM- UNA, since January 2006 to December 2012. All patients underwent ultrasound studies with a General Electric® model C3 P5 multifrequency convex probe ecocardiograph. Results: we found 36 cases (43.3%) of congenital heart disease diagnosed by fetal echocardiography and 47 cases (56.6%) of cardiac disease diagnosed by echocardiography in neonates. The most frequent CHD were interventricular and interauricular communication. Comparing prenatal diagnosis (presence or absence of anomalies) with postnatal diagnosis (gold standard) we found a sensitivity of 83.7% (95% CI 71.5 to 95.9) and specificity of 100% (95% CI 98.7 to 100), respectively. Conclusions: prenatal echocardiography has a sensitivity of 83.7% and specificity of 100%.

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