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Pediatr Int. 2012 Dec;54(6):875-80. doi: 10.1111/j.1442-200X.2012.03693.x. Epub 2012 Oct 9.

Prognostic factors for treatment outcomes in transient tachypnea of the newborn.

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Department of Pediatrics, CHA Bundang Medical Center, CHA University School of Medicine, , Seoul, Korea.



Transient tachypnea of the newborn (TTN) is a clinical syndrome associated with respiratory distress usually seen shortly after delivery in infants. This study aims to determine the risk factors predicting treatment outcomes in infants with TTN.


Data from 236 infants diagnosed with TTN during the study period were evaluated retrospectively. Logistic regression analyses were performed to select significant risk factor for prognosis (prolonged oxygen therapy, application of mechanical ventilator, and prolonged hospital stay) of TTN among components of clinical variables.


Of the 236 TTN infants, 111 (47.0%) infants were delivered via cesarean section (CS) without labor, 29 (12.3%) infants were delivered via CS with labor, and 96 (40.7%) were delivered via vaginal birth. Lower Apgar score at 1 min (OR: 3.03; 95%CI: 1.25-7.36) and lower umbilical artery pH (OR: 4.00; 95%CI 1.55-10.49) were associated with a significantly increased risk for mechanical ventilator care. Also, late-preterm delivery (OR: 4.70; 95%CI: 2.11-10.49) was independently associated with risk of prolonged duration of hospital stay.


Late-preterm delivery, lower initial umbilical artery pH (<7.25), and lower Apgar score at 1 min were independently associated with poor prognostic treatment outcomes in infants with TTN.

[Indexed for MEDLINE]

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