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Neonatal tricuspid insufficiency—a Doppler echocardiographic study of 49 cases

Published online by Cambridge University Press:  19 August 2008

Filiz Senocak  and
Süheyla Özkutlu
Filiz Senocak*
Affiliation:
From the Hacettepe University Child Health Institute, Department of Pediatric Cardiology, Ankara
Süheyla Özkutlu
Affiliation:
From the Hacettepe University Child Health Institute, Department of Pediatric Cardiology, Ankara
*
Dr. Filiz Senocak,Kebribar Sokak 9/46 - 06700 Çankaya, Ankara, Turkey
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Summary

We analyzed tricuspid insufficiency noninvasively using cross-sectional and continuous wave Doppler echocardiography in 49 newborn infants free of structural cardiac and pulmonary disease. In 41(83.6%) of the cases, mild insufficiency was detected using the continuous wave Doppler technique. All the infants with valvar insufficiency had normal electrocardiographic tracings and, in 25 (61%) of them, there was no audible murmur. We detected transient ductal patency in five (12.1%). The ratio of right ventricular preejection period to ventricular ejection time was in the normal ranges (below 0.05) in 39 (95.1%) of the neonates. Of the 30 cases who underwent continued surveillance over a mean period of 37.9 days, the incompetence disappeared in 15 (50%). Our findings show that, in neonates, the lack of a murmur does not eliminate the possibility of neonatal tricuspid incompetence. Furthermore, abnormalities such as postnatal transient pulmonary hypertension, fetal closure of the arterial duct and perinatal asphyxia cannot readily explain the finding of tricuspid incompetence.

Keywords

Neonatal tricuspid insufficiencyDoppler echocardiography
Type
Original Articles
Information
Cardiology in the Young , Volume 5 , Issue 2 , April 1995 , pp. 172 - 175
Copyright
Copyright © Cambridge University Press 1995

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