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Diaphragmatic agenesis as a distinct clinical entity
T M Tsang1, P K Tam, N E Dudley
1Nuffield Department of Anaesthesia, John Radcliffe Hospital, Oxford, England.
Journal of Pediatric Surgery
|January 1, 1995
Summary
Diaphragmatic agenesis (DA) is a severe congenital diaphragmatic defect. Neonates with DA require more intensive care and have lower survival rates than those with Bochdalek
Area of Science:
- Pediatric Surgery
- Neonatal Medicine
- Congenital Abnormalities
Background:
- Diaphragmatic agenesis (DA) is the most severe congenital diaphragmatic defect.
- Clinically, DA has not been distinctly defined from Bochdalek's hernia (BH).
Purpose of the Study:
- To define diaphragmatic agenesis (DA) as a distinct clinical entity.
- To compare the clinical characteristics and outcomes of neonates with DA versus Bochdalek's hernia (BH).
Main Methods:
- Retrospective analysis of 55 neonates with diaphragmatic defects treated between 1986 and 1992.
- Comparison of clinical data, including antenatal diagnosis, Apgar scores, preoperative stabilization, respiratory support, complications, and survival rates between DA and BH groups.
Main Results:
- DA was diagnosed in 17 neonates (35.4%) and BH in 31 (64.6%).
- DA neonates had higher rates of antenatal diagnosis, lower Apgar scores, longer preoperative stabilization, and required more postoperative respiratory support than BH neonates.
- Complications were universal in DA survivors (100%) versus BH survivors (19.0%), with significantly lower long-term survival for DA (29.4% vs. 64.5%).
Conclusions:
- Diaphragmatic agenesis represents a distinct clinical entity.
- DA presents unique short- and long-term management challenges compared to BH.
- Careful and distinct management strategies are essential for neonates with diaphragmatic agenesis.