Background Since mortality in congenital diaphragmatic hernia (CDH) is decreasing, morbidity such as neurodevelopmental delay receives increased attention. We evaluated neurodevelopmental outcome in high-risk CDH patients treated according to the Euroconsortium standardised neonatal treatment protocol (Reiss, 2010).
Methods Observational, prospective cohort study in CDH patients treated in two level-III university hospitals (Rotterdam (ECMO available) and Rome (no ECMO available)) between January 2009–April 2011. Sixty-three patients underwent standardised neurodevelopmental assessment at corrected age of 12 and 24 months by using Bayley Scales of Infant Development (BSID)-II-NL (Rotterdam; Dutch reference data) or BSID-III (Rome; US reference data). Both centres were analysed separately due to differences in assessment instruments. Results are presented as n (%), mean (SD) or median (range).
Results Mortality was 24.1% and 20.5% in Rotterdam and Rome, respectively. Baseline characteristics were for Rotterdam (n = 36)/Rome (n = 27): observed to expected lung-to-head ratio 53.8% (19.1)/55.4% (15.8), p = 0.67; SNAP-II score (19 (0–40)/7 (0–25), p < 0.001; chronic lung disease (i.e. oxygen dependency at day 28) in 15 (41.7%)/4 (14.8%), p = 0.14; length hospital stay 21 (6–387)/27 (15–82) days, p = 0.06. In Rotterdam four patients (11.1%) underwent ECMO treatment. Neurodevelopmental outcome is shown in Figure.
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