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- W2588890048 abstract "Objective To investigate the correlation between hypoglycemia and brain injury of newborns.Methods Medical records and follow-up data of 110 newborns with hypoglycemia (blood glucose level≤2.2 mmol/L) who admitted into neonatal department of Peking University First Hospital from December 2006 to December 2009 were studied.All patients were divided into 3 groups:no brain injury group,mild and severe brain injury group according to their clinical manifestation,cerebral radiological characteristics and cerebral functional tests.By using receiver operating characteristic (ROC) curve and x2 test,the potential optimal blood glucose level and duration of hypoglycemia for predicting brain injury were confirmed.Multivariate Logistic regression was taken to determine independent predictors for brain injury.The analyzed factors included gender,preterm/small for gestational age,hyperbillirubinemia,fetal distress,asphyxia,infection,seizures and maternal hypertensive disorder complicating pregnancy and hyperglycemia.Results Among the 110 hypoglycemia newborns,33 (30.0％) infants suffered from brain injury,of which 23 were mild and 10 were severe.Blood glucose ≤1.7 mmol/L had high specificity (73％) and sensitivity (60％)for predicting brain injury.When blood glucose≤ 1.7 mmol/L,the incidence of brain injury and severe brain injury was 43.6％ (24/55) and 18.2％ (10/55),which was higher than those [16.4％(9/55) and 0.0％ (0/55)] of patients whose glucose level ＞1.7 mmol/L(x2 =9.74 and 11.00,P＜0.01 respectively).Blood glucose ≤ 1.2 mmol/L had high specificity (100％) and sensitivity (81％) for predicting severe brain injury.When blood glucose ≤1.2 mmol/L,the incidence of severe brain injury was higher than that of the patients whose glucose level was higher than 1.2 mmol/L [34.5％ (10/29) vs 0.0％ (0/81),x2 =30.72,P＜0.01].Duration of hypoglycemia ≥12 h had specificity (100％) and sensitivity (36 ％) for predicting brain injury.When duration of hypoglycemia ＜12 h,the incidence of brain injury was lower than that of the patients whose duration of hypoglycemia≥12 h [21.4％ (21/98) vs 6/6,x2 =27.69,P＜0.01].Multivariate Logistic regression showed that fetal distress (OR=4.69,95％CI:1.47-14.97,P=0.009),glucose level≤1.2 mmol/L (OR =5.16,95％CI:1.56-17.03,P=0.007),duration of hypoglycemia≥12 h (OR=8 885 220 297.12,95％CI:0.00-∞,P =0.000) and maternal hyperglycemia (OR =3.34,95％CI:1.01-11.02,P=0.048) were independent risk factors for neonatal brain injury.Conclusions Low blood glucose level and prolonged hypoglycemia might induce injury of neurol system.Fetal distress and maternal hyperglycemia might increase the incidence of brain injury in newborns with hypoglycemia.Key words: Infant, newborn; Hypoglycemia; Brain diseases" @default.
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- W2588890048 date "2012-09-16" @default.
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- W2588890048 title "Correlation between neonatal hypoglycemia and brain injury" @default.
- W2588890048 doi "https://doi.org/10.3760/cma.j.issn.1007-9408.2012.09.005" @default.
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