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J Matern Fetal Neonatal Med. 2019 Jan 4:1-6. doi: 10.1080/14767058.2018.1530755. [Epub ahead of print]

Application of a postnatal prediction model of survival in CDH in the era of fetal therapy.

Author information

1
a Department of Pediatrics , University Hospitals Leuven , Leuven , Belgium.
2
b Department of Neonatology , University Hospitals Leuven , Leuven , Belgium.
3
c Academic Department of Development and Regeneration, Cluster Woman and Child, Biomedical Sciences, and Clinical Department of Obstetrics and Gynaecology , Maternal Fetal Medicine, University Hospitals Leuven , Leuven , Belgium.
4
d Institute for Women's Health, University College London , London , United Kingdom.
5
e Department of Thoracic Surgery , University Hospitals Leuven , Leuven , Belgium.
6
f Department of Pediatric Cardiology , University Hospitals Leuven , Leuven , Belgium.

Abstract

BACKGROUND:

The disease severity in patients with a congenital diaphragmatic hernia (CDH) is highly variable. To compare patient outcomes, set up clinical trials and come to severity-based treatment guidelines, a performant prediction tool early in neonatal life is needed.

OBJECTIVE:

The primary purpose of this study was to validate the CDH study group (SG) prediction model for survival in neonates with CDH, including patients who had fetal therapy. Secondary, we aimed to assess its predictive value for early morbidity.

METHODS:

This is a retrospective single-center study at the University Hospitals Leuven on all infants with a diagnosis of CDH live-born between April 2002 and December 2016. The prediction model of the CDHSG was applied to evaluate its performance in determining mortality risk. Besides, we examined its predictive value for early morbidity parameters, including duration of ventilation, respiratory support on day 30, time to full enteral feeding and length of hospital stay.

RESULTS:

The CDHSG prediction model predicted survival well, with an area under the curve of 0.796 (CI: 0.720-0.871). It had poor value in predicting infants who needed respiratory support on day 30 (area under the curve (AUC) 0.606; CI: 0.493-0.719), and correlated poorly with duration of ventilation, time to full enteral feeding and length of hospital stay.

CONCLUSION:

The CDHSG prediction model was in our hands also a useful tool in predicting mortality in neonates with CDH in the fetal treatment era. Correlation with early morbidity was poor. Rationale Objectives: (1) Validation of the CDHSG prediction model for survival in a cohort of neonates with CDH, in whom fetal endoscopic tracheal occlusion was applied according to the severity of lung hypoplasia. (2) Evaluation of performance of the model in the prediction of early morbidity.

MAIN RESULTS:

(1) Confirmation of the predictive value of the model for survival in neonates with CDH in the era of fetal therapy. (2) No correlation of the model with early morbidity parameters.

KEYWORDS:

Congenital diaphragmatic hernia (CDH); morbidity; mortality; risk stratification

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