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  • Title: Relationship of serum lactate dehydrogenase, creatine kinase, aspartate aminotransferase concentrations and severe intraventricular hemorrhage/leukomalacia in very low birth body weight preterm neonates.
    Author: Ho ML, Su PH, Chen JY.
    Journal: Acta Paediatr Taiwan; 2000; 41(3):129-32. PubMed ID: 10920544.
    Abstract:
    Estimations of serum enzyme values are widely employed as valuable diagnostic aids in diseases. Most commonly employed enzymes include Aspartate aminotransferase (AST), Lactate dehydrogenase (LDH), and Creatine kinase (CK). The study was designed to determine the relationship of elevated postnatal serum LDH, CK, and AST concentrations within the first day of life and the risk of suffering severe intraventricular hemorrhage (IVH) and/or periventricular leukomalacia (PVL) in VLBW preterm newborns. 81 preterm neonates whose birth body weight < 1500 gm were enrolled. Serums were obtained for measurement within the first postnatal day. Cranial ultrasound scans were performed twice per week after birth until their body weight was above 2300 gm or postconceptional age above 40 weeks. Significant difference was noted in serum LDH and CK concentrations in severe IVH/PVL infants (p < 0.05). No difference was found in serum AST values. Compared with the cut-off values of 1933 IU/L of LDH concentration and 652 IU/L of CK, the predictive values revealed a sensitivity, specificity, negative predictive value and positive predictive value of 76.9%, 89.7%, 95.3% and 58.8%, respectively. In conclusion, higher serum LDH and/or CK concentrations within the first day of life were associated with risk for development of severe IVH/PVL.
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