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Results: In this study, 100 neonates were evaluated. The mean serum magnesium level in these patients was 2.32 mg/dl. This rate was significantly higher in neonates with seizure (P=0.038), hyperbilirubinemia fever (P=0.048), and neonates with chronic encephalopathy (P=0.003). The mean serum magnesium level was significantly higher in severe hyperbilirubinemia (P<0.001). Serum Magnesium in complications of chronic encephalopathy (P=0.007), Fisting (P=0.001), retrocoli (P=0.001), hypertonia (P=0.004), hypotonia (P=0.001) and seizures (P=0.030) were significantly different. The serum magnesium levels were positively correlated with total bilirubin (r=0.443, P<0.001). The magnesium levels correlated with the chronic encephalopathy (OR: 4.15, P=0.040) and it was observed that magnesium levels above 2.15 could predict chronic encephalopathy with a sensitivity of 100%, the specificity of 47.82%, a negative predictive value of 100% and a positive predictive value of 14.28%.
Conclusion: The results of this study showed that serum magnesium levels significantly correlated with serum total bilirubin and magnesium cutting points above 2.15 mg/dl in patients with jaundice could predict chronic encephalopathy.
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