Transient Tachypnea of the Newborn
Transient tachypnea of the newborn (TTN), also known as wet lung of the newborn, is one of the most common respiratory diseases of the newborn. TTN is self-limited with a good prognosis and low fatality and can be naturally recovered without any special intervention within 24–72 h in most cases. However, TTN can cause severe dyspnea, hypoxemia, pneumothorax, etc. TTN is the most common reason for dyspnea of the newborn. The incidence is 4–5.7% in full-term newborns and 10% in preterm infants, accounting for approximately 33–50% of dyspnea of the newborn [1, 2]. TTN is also often misdiagnosed as other diseases, especially among premature infants, as RDS, which can lead to overtreatment. According to Neonatal Respiratory Disorders, 77% of infants who were clinically diagnosed as RDS were actually TTN cases . Therefore, it is necessary to pay more attention to this disease.
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