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Early Neurodevelopmental Outcomes in Children with Hypoplastic Left Heart Syndrome and Related Anomalies After Hybrid Procedure

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Abstract

The hybrid strategy is one approach to single ventricle palliation. In this study, we reported neurodevelopment at 12 months for two cohorts of children managed with the hybrid and clinical factors associated with neurodevelopment in the entire sample. We performed a retrospective study of children with single ventricle who had undergone a neonatal hybrid procedure. One group included infants with hypoplastic left heart syndrome (HLHS); another group included infants with non-HLHS single ventricle. Neurodevelopment was assessed with 12-month Bayley III. Parametric and non-parametric statistics were used for analysis. Nine infants with HLHS and 15 with non-HLHS were identified. Abnormal neurodevelopment was identified in 11 of 24 (46%), primarily motor (46%). Development did not differ between groups. In the whole sample, higher lactate levels were associated with lower cognitive scores (p = 0.04). Fewer mechanical ventilation days were associated with higher cognitive scores (p = 0.05) after Stage 1 and higher motor scores after Stage 2. Shorter ICU length of stay (p = 0.01), shorter hospital length of stay (p = 0.01), and fewer complications (p = 0.01) after stage 2 were associated with higher motor scores. Higher cognitive (p = 0.02) and language (p = 0.002) scores were associated with higher weight at 12 months. In the largest cohort of single ventricle children treated with neonatal hybrid palliation yet reported, significant neurodevelopmental impairment was identified. No differences in neurodevelopment were found between children with HLHS and those with non-HLHS variants. A multicenter trial is needed to test differences in neurodevelopment between hybrid and Norwood approaches.

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Authors and Affiliations

  1. The Heart Center, Nationwide Children’s Hospital, 700 Children’s Dr, Columbus, OH, 43205, USA

    O. M. Khalid

  2. The Ohio State University College of Nursing, 1585 Neil Ave., Columbus, OH, 43210, USA

    T. M. Harrison

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  1. O. M. Khalid
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Correspondence to O. M. Khalid.

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Khalid, O.M., Harrison, T.M. Early Neurodevelopmental Outcomes in Children with Hypoplastic Left Heart Syndrome and Related Anomalies After Hybrid Procedure. Pediatr Cardiol 40, 1591–1598 (2019). https://doi.org/10.1007/s00246-019-02191-3

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