Özet:

Objective: Persistent pulmonary hypertension of the newborn (PPHN) is a serious clinical condition that developed through the persistence of high pulmonary vascular resistance during the transition period and results in severe morbidities and mortality. This study aims to determine the risk factors for developing PPHN and to evaluate the prognosis, morbidities, and mortality. Materials and Method: This retrospective study was conducted between January 2017 and January 2019. Hospital records of infants who needed neonatal intensive care were evaluated retrospectively in terms of etiological causes of PPHN, clinical prognosis of neonates, morbidities, and mortality rates. Results: A total of 29,650 infants were born during the 2-year study period, 920 of whom were admitted to a neonatal intensive care unit, of which 50 developed PPHN. Of the infants who developed PPHN, 66% were preterm and 52% were female. The most common etiology related to developing PPHN is congenital pneumonia (65%) in term infants and respiratory distress syndrome (100%) in preterm infants. The second most common etiology is perinatal asphyxia for both term and preterm infants. Morbidities such as patent ductus arteriosus, intraventricular hemorrhage, necrotizing enterocolitis, and bronchopulmonary dysplasia were higher in the preterm group, with mortality rates also being significantly higher in preterm infants. Conclusion: Persistent pulmonary hypertension of the newborn is a serious clinical condition that may result in high neonatal mortality even when appropriate cardiopulmonary support is given. Mortality and mortality-related morbidities are thought to be able to be decreased by defining the risk factors for developing PPHN.

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