Neurodevelopmental outcome at 24 months of healthy infants at birth with an umbilical artery blood pH ≤ 7 and/or hyperlactacidemia ≥ 7 mmol/L - Archive ouverte HAL Access content directly
Journal Articles Birth Year : 2021

Neurodevelopmental outcome at 24 months of healthy infants at birth with an umbilical artery blood pH ≤ 7 and/or hyperlactacidemia ≥ 7 mmol/L

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Abstract

Objective The incidence of acidosis in term and healthy newborns and the consequences for their neurodevelopment are poorly understood. The aim of our study was to assess neurodevelopmental outcomes at 24 months of age via a parental questionnaire (ASQ, Ages and Stages Questionnaires) for a sample of infants born at term with an umbilical arterial blood pH <= 7 or/and hyperlactacidemia >= 7 mmol/L. In addition, we compared these groups' neurodevelopmental outcomes with a control group. Methods During the 29 months of the study, we retrospectively included all children who had an umbilical artery (UA) cord blood pH <= 7 and/or lactates >= 7 mmol/L with good clinical adaptation. We also included a control group of term newborns with normal gases at birth. Ages and Stages questionnaires were sent to parents at 24 months of age. Results Among the 9016 births during the study, 7.1% of babies had a UA pH <= 7 and/or lactates >= 7 mmol/L. The ASQ was considered non-optimal for 32.2% and 36.3% of respondents in the acidosis and control group, respectively, without any significant difference (P = 0.382). After matching for gestational age and sex, there was also no significant difference in the rate of non-optimal ASQ. The percentage of abnormal communication was significantly higher in the control group (19.7% vs 11.4%, P = 0.015). Conclusions Isolated biochemical umbilical cord blood abnormalities in term or near-term newborns with good adaptation do not appear to have a long-term impact on development. These results are rather reassuring, and the absence of specific follow-up for these children seems reasonable.
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Dates and versions

hal-03828546 , version 1 (25-10-2022)

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Clémence Dain, Jean‐christophe Roze, Marion Olivier, Margot Bossard, Mathilde Praud, et al.. Neurodevelopmental outcome at 24 months of healthy infants at birth with an umbilical artery blood pH ≤ 7 and/or hyperlactacidemia ≥ 7 mmol/L. Birth, 2021, 48 (2), pp.178-185. ⟨10.1111/birt.12527⟩. ⟨hal-03828546⟩
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