Cardiac enzyme levels in myocardial dysfunction in newborns with perinatal asphyxia

Area of Science:

• Neonatal Medicine
• Cardiology
• Biochemistry

Background:

• Perinatal asphyxia poses a significant risk of myocardial damage in term infants.
• Assessing cardiac involvement is crucial for determining prognosis and guiding treatment.

Purpose of the Study:

• To investigate the utility of cardiac enzymes, specifically troponin-T and CK-MB, in assessing myocardial injury in neonates with perinatal asphyxia.
• To compare the diagnostic performance of troponin-T and CK-MB.

Main Methods:

• A case-control study involving 30 term infants with perinatal asphyxia and 30 healthy controls.
• Evaluation included clinical assessment, ECG, echocardiography, and measurement of cardiac enzymes (troponin-T and CK-MB).

Main Results:

• Elevated troponin-T and CK-MB levels were observed in infants with perinatal asphyxia compared to controls.
• Troponin-T demonstrated higher sensitivity and specificity than CK-MB for detecting myocardial involvement.
• Troponin-T levels correlated significantly with the severity and clinical outcome of perinatal asphyxia.

Conclusions:

• Cardiac troponin-T assay is a valuable tool for evaluating the extent of myocardial damage in perinatal asphyxia.
• Troponin-T levels provide important prognostic information regarding outcomes in affected neonates.