Sphingolipids in congenital diaphragmatic hernia: results from an international multicenter study

Background Congenital diaphragmatic hernia is a severe congenital anomaly with significant mortality and morbidity, for instance chronic lung disease. Sphingolipids have shown to be involved in lung injury, but their role in the pathophysiology of chronic lung disease has not been explored. We hypot...

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Main Authors: Snoek, Kitty G. (Author) , Schaible, Thomas (Author)
Format: Article (Journal)
Language:English
Published: May 9, 2016
In: PLOS ONE
Year: 2016, Volume: 11, Issue: 5
ISSN:1932-6203
DOI:10.1371/journal.pone.0155136
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1371/journal.pone.0155136
Verlag, kostenfrei, Volltext: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0155136
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Author Notes:Kitty G. Snoek, Irwin K.M. Reiss, Jeroen Tibboel, Joost van Rosmalen, Irma Capolupo, Arno van Heijst, Thomas Schaible, Martin Post, Dick Tibboel

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520 |a Background Congenital diaphragmatic hernia is a severe congenital anomaly with significant mortality and morbidity, for instance chronic lung disease. Sphingolipids have shown to be involved in lung injury, but their role in the pathophysiology of chronic lung disease has not been explored. We hypothesized that sphingolipid profiles in tracheal aspirates could play a role in predicting the mortality/ development of chronic lung disease in congenital diaphragmatic hernia patients. Furthermore, we hypothesized that sphingolipid profiles differ between ventilation modes; conventional mechanical ventilation versus high-frequency oscillation. Methods Sphingolipid levels in tracheal aspirates were determined at days 1, 3, 7 and 14 in 72 neonates with congenital diaphragmatic hernia, born after > 34 weeks gestation at four high-volume congenital diaphragmatic hernia centers. Data were collected within a multicenter trial of initial ventilation strategy (NTR 1310). Results 36 patients (50.0%) died or developed chronic lung disease, 34 patients (47.2%) by stratification were initially ventilated by conventional mechanical ventilation and 38 patients (52.8%) by high-frequency oscillation. Multivariable logistic regression analysis with correction for side of the defect, liver position and observed-to-expected lung-to-head ratio, showed that none of the changes in sphingolipid levels were significantly associated with mortality /development of chronic lung disease. At day 14, long-chain ceramides 18:1 and 24:0 were significantly elevated in patients initially ventilated by conventional mechanical ventilation compared to high-frequency oscillation. Conclusions We could not detect significant differences in temporal sphingolipid levels in congenital diaphragmatic hernia infants with mortality/development of chronic lung disease versus survivors without development of CLD. Elevated levels of ceramides 18:1 and 24:0 in the conventional mechanical ventilation group when compared to high-frequency oscillation could probably be explained by high peak inspiratory pressures and remodeling of the alveolar membrane. 
650 4 |a Apoptosis 
650 4 |a Congenital anomalies 
650 4 |a Congenital disorders 
650 4 |a Hernia 
650 4 |a Lung development 
650 4 |a Neonates 
650 4 |a Sphingolipids 
650 4 |a Surfactants 
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