Inclusion criteria:
N eonates with TTN were identified with the criteria of Rawlings and Smith including
1.beginning of tachypnea within 6 h after birth;
2. tenacity of tachypnea for at least 12 h;
3.chest radiograph compatible with TTN
4. exclusion of other known respiratory disorders and non-respiratory disorders likely to cause the same features.
Clinical features are consist of tachypnea (respiratory rate more than 60) with or without cyanosis, signs of distress (nasal flaring, grunting, and retraction).
Radiographic signs may include at least one of these; lung hyper inflation, perihilar congestion or streaking, fluid filled interlobar fissure, bilateral infiltration, pulmonary edema.
All of the neonates were born 37 weeks and older.
Exclusion criteria:
neonate delivered less than 37 weeks,
significant chromosomal abnormalities,
meconium aspiration signs, asphyxia,
a newborn baby with a metabolic disorder,
congenital heart disease (diagnosed with echocardiography),
persistent pulmonary hypertension of neonate,
RDS, Pneumonia,
and requirement of more than 40 percent FiO2.
We excluded neonates who had positive CRP or positive Blood culture
or if chest x rays matched with the diagnosis of pneumonia.