Research: Prevalence and early surgical outcome of congenital diaphragmatic hernia in the Netherlands: a population-based cohort study from the European Pediatric Surgical Audit

Arch Dis Child Fetal Neonatal Ed

. 2024 Jan 9:fetalneonatal-2023-326311.

 doi: 10.1136/archdischild-2023-326311. Online ahead of print. https://pubmed.ncbi.nlm.nih.gov/38195217/

Prevalence and early surgical outcome of congenital diaphragmatic hernia in the Netherlands: a population-based cohort study from the European Pediatric Surgical Audit

Nadine Maria Teunissen 1 2Horst Daniels 3J Marco Schnater 4Ivo de Blaauw 3René M H Wijnen 4

Affiliations expand

Abstract

Background: Congenital diaphragmatic hernia (CDH) is a rare birth defect with substantial mortality. This study aims to generate a population-based overview of CDH care and outcomes in the Netherlands. Moreover, it assesses interhospital variations between the two Dutch CDH expert centres.

Methods: This study uses data from the Dutch branch of the European Pediatric Surgical Audit, a prospective clinical audit for congenital anomalies. Data of all patients with CDH treated between 2014 and 2021 were included for epidemiological analysis. For comparative analyses, patients presenting after the neonatal period or not treated in the two CDH expert centres were excluded. Identified interhospital variations were assessed using regression analysis.

Results: In the study period, 283 children with CDH were born, resulting in a national prevalence rate of 2.06/10 000 live births. The patient population, treatment and outcomes at 1 year were comparable between the hospitals, except for length of hospital stay. Regression analysis identified the treating hospital as the strongest significant predictor thereof. Other factors associated with longer length of stay include the presence of other malformations, intrathoracic liver position on prenatal ultrasound, extracorporeal membrane oxygenation treatment, patch repair, complicated postoperative course and discharge to home rather than to another care facility.

Conclusion: Outcomes of CDH care throughout the Netherlands are comparable. However, the length of stay differed between the two hospitals, also when adjusting for other covariates. Further qualitative analysis to explain this interhospital variation is indicated. Our findings underscore the potential of clinical auditing as a quality measurement tool in rare conditions.

Keywords: Epidemiology; Mortality; Paediatrics.

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