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Arch Dis Child Fetal Neonatal Ed. 2017 Jul;102(4):F346-F358. doi: 10.1136/archdischild-2015-309639. Epub 2017 Apr 6.

Management and investigation of neonatal encephalopathy: 2017 update.

Author information

1
Department of Neonatology, Institute for Women's Health, University College London, UK.
2
Department of Neonatal and Paediatric Neurology, Sheffield Children's Hospital NHS Foundation Trust, Sheffield, UK.
3
Department of Inherited Metabolic Diseases, Sheffield Children's Hospital NHS Foundation Trust, Sheffield, UK.

Abstract

This review discusses an approach to determining the cause of neonatal encephalopathy, as well as current evidence on resuscitation and subsequent management of hypoxic-ischaemic encephalopathy (HIE). Encephalopathy in neonates can be due to varied aetiologies in addition to hypoxic-ischaemia. A combination of careful history, examination and the judicious use of investigations can help determine the cause. Over the last 7 years, infants with moderate to severe HIE have benefited from the introduction of routine therapeutic hypothermia; the number needed to treat for an additional beneficial outcome is 7 (95% CI 5 to 10). More recent research has focused on optimal resuscitation practices for babies with cardiorespiratory depression, such as delayed cord clamping after establishment of ventilation and resuscitation in air. Around a quarter of infants with asystole at 10 min after birth who are subsequently cooled have normal outcomes, suggesting that individualised decision making on stopping resuscitation is needed, based on access to intensive treatment unit and early cooling. The full benefit of cooling appears to have been exploited in our current treatment protocols of 72 hours at 33.5°C; deeper and longer cooling showed adverse outcome. The challenge over the next 5-10 years will be to assess which adjunct therapies are safe and optimise hypothermic brain protection in phase I and phase II trials. Optimal care may require tailoring treatments according to gender, genetic risk, injury severity and inflammatory status.

KEYWORDS:

hypoxic ischaemic encephalopathy; neonatal encephalopathy; neuroprotection; resuscitation of the newborn

PMID:
28389438
PMCID:
PMC5537522
DOI:
10.1136/archdischild-2015-309639
[Indexed for MEDLINE]
Free PMC Article

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