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Sterken C, Lemiere J, Vanhorebeek I, et al. Neurocognition after paediatric heart surgery: a systematic review and meta-analysis. Open Heart. 2015;2(1):e000255doi: 10.1136/openhrt-2015-000255.
Sterken, C., Lemiere, J., Vanhorebeek, I., Van den Berghe, G., & Mesotten, D. (2015). Neurocognition after paediatric heart surgery: a systematic review and meta-analysis. Open heart, 2(1), e000255. https://doi.org/10.1136/openhrt-2015-000255
Sterken, Caroline, et al. "Neurocognition after paediatric heart surgery: a systematic review and meta-analysis." Open heart vol. 2,1 (2015): e000255. doi: https://doi.org/10.1136/openhrt-2015-000255
Sterken C, Lemiere J, Vanhorebeek I, Van den Berghe G, Mesotten D. Neurocognition after paediatric heart surgery: a systematic review and meta-analysis. Open Heart. 2015 Oct 29;2(1):e000255. doi: 10.1136/openhrt-2015-000255. eCollection 2015. PMID: 26568832; PMCID: PMC4636679.
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Open Heart. 2015 Oct 29;2(1):e000255. doi: 10.1136/openhrt-2015-000255. eCollection 2015.

Neurocognition after paediatric heart surgery: a systematic review and meta-analysis.

Open heart

Caroline Sterken, Jurgen Lemiere, Ilse Vanhorebeek, Greet Van den Berghe, Dieter Mesotten

Affiliations

  1. Division of Cellular and Molecular Medicine, Clinical Department and Laboratory of Intensive Care Medicine , KU Leuven , Leuven , Belgium.
  2. Child and Adolescent Psychiatry , University Hospitals Leuven , Leuven , Belgium ; Paediatric Haemato-Oncology , University Hospitals Leuven , Leuven , Belgium.

PMID: 26568832 PMCID: PMC4636679 DOI: 10.1136/openhrt-2015-000255

Abstract

UNLABELLED: Children with congenital heart disease (CHD) often experience difficulties in academic and daily functioning, which have been associated with intelligence and neurocognitive skills, including executive functions (EFs), attention and memory. We report the neurocognitive data of children with CHD who were included in the Leuven glucose control trial (LGC trial). Through a systematic review and meta-analysis, we aimed to find which neurocognitive functions are most consistently and prominently affected. 365 children with CHD and 216 healthy control children underwent extensive neurocognitive testing in the LGC trial. A comprehensive search of electronic databases PubMed, EMBASE and Cochrane was conducted for studies measuring intelligence, EFs, attention and memory in children who underwent heart surgery for CHD. Standardised mean differences (SMDs) between the CHD group and a healthy control group were calculated for these neurocognitive functions. LGC trial data were included in the meta-analysis. Twelve studies with a healthy control group were included in the meta-analysis, involving 647 patients with CHD and 633 controls. The CHD group (median age 7.35 years at testing) had worse scores than healthy control children, for all investigated neurocognitive functions. A medium SMD was found for intelligence (SMD=-0.53 (95% CI -0.68 to -0.38), p<0.00001). Alertness, an attentional function, was also consistently poorer in the CHD group. Memory was less affected, while EF had a medium SMD with large heterogeneity. Children with CHD risk displayed lower performance on intelligence and alertness assessment, which may contribute to difficulties in daily life and school. Heterogeneity in neurocognitive assessment and small sizes in most studies limit the interpretation.

TRIAL REGISTRATION NUMBER: clinicaltrials.gov Identifier NCT00214916.

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