Investigation of the Effectiveness of First Measured Arterial/Cord Blood Gas and Laboratory Results in Predicting the Treatment Model in Newborns Diagnosed With Transient Tachypnea.

Objective: The aim of this study was to investigate the predictive effect of laboratory results and blood gas values on the selection of respiratory support models in infants diagnosed with transient tachypnea of the newborn (TTN). Method: The study was designed as a single-center, retrospective study. Infants born with gestational age ≥ 35 weeks diagnosed with TTN during a 2-year period were included. Demographic characteristics, laboratory parameters, respiratory support models, and length of hospital stay were recorded. The relationship between the obtained parameters and the percentage and duration of oxygen requirement, nasal continuous positive airway pressure (nCPAP), nasal synchronized intermittent mandatory ventilation (nSIMV), intubation, and hospitalization duration was evaluated. Results: The study was completed with 327 infants. A correlation was found between pH and pCO2 values in the first blood gas analysis and the duration of oxygen administration ( Conclusions: It was determined that the initial blood gas pH and pCO2 values, as well as serum sodium, calcium, and phosphorus levels, could be used to predict the treatment model in infants diagnosed with TTN. Low calcium, phosphorus, and sodium levels were found in TTN-diagnosed infants requiring invasive mechanical ventilation.