Özet:

INTRODUCTION: Hypernatremic dehydration of the newborn with breastfeeding, which has a high morbidity and mortality rates, has been reported to be increased in the recent years. In this study, it was aimed to evaluate the demographic, clinical features and the results of management in newborns with hypernatremic dehydration. METHODS: A total of 31 term newborns with hypernatremic dehydration (Na > 150 mmol/L) who admitted to the Newborn Intensive Care Unit between January 2006 and June 2008 were included in this study. RESULTS: Mean±SD weight and age of the newborns were 3362±711.3 g and 6.3±3.4 days respectively and all were breastfeeding. 19.4 % of the patients were born at home, 64.5 % and 3.2 % of the patients were born in city and cottage hospitals respectively. Only 12.9 % of the patients were born in our hospital. Jaundice (61.3 %) and poor sucking (19.4%) respectively were the most common presenting signs. Mean±SD serum and mean breast milk sodium concentrations were 161.7±12.8 mmol/L and >100 mmol/L in two, 78 mmol/L in one and 43 mmol/L in one mother, respectively. Subdural hemorrhage (in one newborn) and diffuse petechial bleeding in both two hemispheres and basal ganglions (in three newborns) were observed, with Cranial MRI. Motor retardation and mental-motor retardation were observed in 2/17 and 2/ 17 of the newborns, respectively. Two newborns died. DISCUSSION AND CONCLUSION: Morbidity and mortality rates due to hypernatremic dehydration of the newborn may be lowered with simple preventive measures. Routine newborn examination in the first few days of life is important in the early diagnosis and prevention. These results have suggested that delivery at home, first pregnancy, cesarean delivery, delivery in hot season and early discharge after delivery are important risk factors in development of hypernatremic dehydration.

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