Transient Tachypnea of the Newborn
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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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