期刊
JOURNAL OF PAEDIATRICS AND CHILD HEALTH
卷 41, 期 7, 页码 331-337出版社
BLACKWELL PUBLISHING
DOI: 10.1111/j.1440-1754.2005.00626.x
关键词
cardiac dysfunction; cardiac troponin T; CK-MB; mortality; perinatal asphyxia
类别
Objective: This prospective study aimed to compare serum creatine kinase MB isoenzyme (CK-MB) mass concentrations and cardiac troponin T (cTnT) concentrations during the first 48 h of life in asphyxiated term infants. Methods: Serum cTnT and CK-MB mass concentrations of 50 term infants with clinical features of perinatal asphyxia were measured at birth and at 12, 24 and 48 h of age by chemiluminescence immunoassay. These infants were followed up until discharge or death. Cord blood CK-MB and cTnT concentrations of 50 healthy term infants were also assayed. Results: At birth, asphyxiated infants had significantly higher concentrations of cTnT and CK-MB than controls (P < 0.0001). Serum cTnT of asphyxiated infants with low ejection fraction < 60% was significantly higher at 12 and 24 h than those with normal ejection fraction (P < 0.05). Asphyxiated infants with congestive cardiac failure had significantly higher serum cTnT concentration during the first 48 h of life than those without congestive cardiac failure (P <= 0.04). Serum cTnT concentrations during the first 48 h of life were significantly higher in asphyxiated infants who died than those who survived (P < 0.0001). There was no significant difference in serum CK-MB mass concentrations between asphyxiated infants with and without these complications (P >= 0.1). Conclusion: Unlike CK-MB, serum cTnT concentrations are significantly higher in asphyxiated infants who die or develop cardiac dysfunction.
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