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PLoS One ; 14(10): e0223427, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31600248

RESUMO

CONTEXT: Whether all degrees of periventricular leukomalacia (PVL) and peri-intraventricular haemorrhage (PIVH) have a negative impact on neurodevelopment. OBJECTIVE: To determine the impact of PVL and PIVH in the incidence of cerebral palsy, sensorineural impairment and development scores in preterm neonates. Registered in PROSPERO (CRD42017073113). DATA SOURCES: PubMed, Embase, SciELO, LILACS, and Cochrane databases. STUDY SELECTION: Prospective cohort studies evaluating neurodevelopment in children born preterm which performed brain imaging in the neonatal period. DATA EXTRACTION: Two independent researchers extracted data using a predesigned data extraction sheet. STATISTICAL METHODS: A random-effects model was used, with Mantel-Haenszel approach and a Sidik-Jonkman method for the estimation of variances, combined with Hartung-Knapp-Sidik-Jonkman correction. Heterogeneity was assessed through the I2 statistic and sensitivity analysis were performed when possible. No funnel plots were generated but publication bias was discussed as a possible limitation. RESULTS: Our analysis concluded premature children with any degree of PIVH are at increased risk for cerebral palsy (CP) when compared to children with no PIVH (3.4, 95% CI 1.60-7.22; 9 studies), a finding that persisted on subgroup analysis for studies with mean birth weight of less than 1000 grams. Similarly, PVL was associated with CP, both in its cystic (19.12, 95% CI 4.57-79.90; 2 studies) and non-cystic form (9.27, 95% CI 5.93-14.50; 2 studies). We also found children with cystic PVL may be at risk for visual and hearing impairment compared to normal children, but evidence is weak. LIMITATIONS: Major limitations were the lack of data for PVL in general, especially for the outcome of neurodevelopment, the high heterogeneity among methods used to assess neurodevelopment and the small number of studies, which led to meta-analysis with high heterogeneity and wide confidence intervals. CONCLUSIONS: There was no evidence supporting the hypothesis that PIVH causes impairment in neuropsychomotor development in our meta-analysis, but review of newer studies show an increased risk for lower intelligence scores in children with severe lesions, both PIVH and PVL. There is evidence to support the hypothesis that children with any degree of PIVH, especially those born below 1000 grams and those with severe haemorrhage, are at increased risk of developing CP, as well as children with PVL, both cystic and non-cystic.


Assuntos
Hemorragia Cerebral/complicações , Recém-Nascido Prematuro/crescimento & desenvolvimento , Leucomalácia Periventricular/complicações , Sistema Nervoso/crescimento & desenvolvimento , Perda Auditiva/complicações , Humanos , Recém-Nascido , Resultado do Tratamento , Transtornos da Visão/complicações
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