Assessment of outcome in hypothermia therapy for neonatal hypoxic-ischemic encephalopathy using amplitude-integrated electroencephalography
Objective To evaluate the efficacy of hypothermia therapy in neonates with hypoxic-ischemic encephalopathy(HIE)through the analysis of amplitude-integrated electroencephalography.Methods A retrospective analysis was conducted on 59 neonates with moderate to severe HIE.They were divided into observation group(n=31,hypothermia therapy)and control group(n=28,conventional therapy)according to different treatment protocols.Chi-square test,independent sample t-test,and one-factor Mann-Whitney U test were used for intergroup difference analysis.Results Significant differences between two groups were observed in lower boundary amplitude after 24 h of treatment,sleep-awake cycle after 72 h of treatment,and total scores after 72 h of treatment(P<0.05).After 48 and 72 h of treatment,the neonates in hypothermia therapy group had obviously lower neuro-specific enolase level than those in control group(P<0.05).Conclusion Early application of hypothermia therapy can significantly improve cerebral function in neonates with HIE and lower the neuro-specific enolase level.
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