obtained from the patient’s parents in accordance with the Institutional Review Board of the Tri-Service General Hospital. The ethics committee approved this study (TSGHIRB No.: A202315041).
A late preterm infant was born to a pregnant woman at 36-6/7 wk gestation via cesarean section due to a history of previous cesarean section and preterm labor. The newborn had Apgar scores of 8 and 9 at 1 and 5 min, respectively. Shortly after birth, the patient exhibited dyspnea, subcostal retraction, and cyanosis. A chest radiograph showed a grade II–III reticulogranular pattern