Score for Neonatal Acute Physiology-II Predicts Outcome in Congenital Diaphragmatic Hernia Patients

Kitty G. Snoek, Irma Capolupo, Francesco Morini, Joost van Rosmalen, Anne Greenough, Arno van Heijst, Irwin K M Reiss, Hanneke IJsselstijn, Dick Tibboel

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Abstract

OBJECTIVE:: Accurate and validated predictors of outcome for infants with congenital diaphragmatic hernia are needed. Score for Neonatal Acute Physiology-II has been validated to predict mortality in newborns. We investigated whether Score for Neonatal Acute Physiology-II scores in congenital diaphragmatic hernia could predict mortality, need for extracorporeal membrane oxygenation (in patients born in a center with extracorporeal membrane oxygenation availability), and development of bronchopulmonary dysplasia (oxygen dependency beyond 28 d after birth) in survivors. DESIGN:: Data were obtained from a prospective, multicenter randomized controlled trial of initial ventilation strategy carried out by the Congenital Diaphragmatic Hernia EURO Consortium (NTR 1310). SETTING:: ICUs of level III university children’s hospitals. PATIENTS:: Congenital diaphragmatic hernia infants without severe chromosomal anomalies or severe cardiac anomalies born between November 2008 and December 2013. INTERVENTIONS:: Randomization for initial ventilation strategy (high-frequency oscillation/ conventional mechanical ventilation. MEASUREMENTS AND MAIN RESULTS:: Logistic regression analyses were used to evaluate associations between Score for Neonatal Acute Physiology-II and outcome parameters. Of the 171 included patients, 46 died (26.9%), 40 of 108 (37.0%) underwent extracorporeal membrane oxygenation, and 39 of 125 survivors (31.2%) developed bronchopulmonary dysplasia. In nonsurvivors, the median Score for Neonatal Acute Physiology-II was 42.5 (interquartile range, 33.5–53.8) and 16.5 (interquartile range, 9.0–27.5) in survivors (p <0.001). Score for Neonatal Acute Physiology-II also significantly differed between extracorporeal membrane oxygenation and non–extracorporeal membrane oxygenation-treated patients (p <0.001), and survivors with and without bronchopulmonary dysplasia (p <0.001). Multivariable logistic regression analyses adjusted for hernia side, liver position, ventilation mode, gestational age, center and observed-to-expected lung-to-head-ratio showed that Score for Neonatal Acute Physiology-II was associated with mortality (odds ratio, 1.16 [1.09–1.23]; p <0.001) and need for extracorporeal membrane oxygenation support (odds ratio, 1.07 [1.02–1.13]; p = 0.01), but not for the development of bronchopulmonary dysplasia (odds ratio, 1.04 [0.99–1.09]; p = 0.14). CONCLUSIONS:: The Score for Neonatal Acute Physiology-II predicts not only mortality but also need for extracorporeal membrane oxygenation in congenital diaphragmatic hernia patients. We, therefore, recommend to implement this simple and rapid scoring system in the evaluation of severity of illness in patients with congenital diaphragmatic hernia and thereby have insight into the prognosis within 1 day after birth.

Original languageEnglish
JournalPediatric Critical Care Medicine
DOIs
Publication statusAccepted/In press - Apr 21 2016

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ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Critical Care and Intensive Care Medicine

Cite this

Snoek, K. G., Capolupo, I., Morini, F., van Rosmalen, J., Greenough, A., van Heijst, A., Reiss, I. K. M., IJsselstijn, H., & Tibboel, D. (Accepted/In press). Score for Neonatal Acute Physiology-II Predicts Outcome in Congenital Diaphragmatic Hernia Patients. Pediatric Critical Care Medicine. https://doi.org/10.1097/PCC.0000000000000738