Transient Tachypnea of the Newborn(T.T.N.):
Tachypnea of a newborn (commonly affects
term babies) shortly after birth, due to
delayed resorption of lung fluid, with rapid
resolution by 24-72 hr.
PREDISPOSING FACTORS OF T.T.N.:
•
1. C.S.
•
2. Perinatal asphyxia.
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3. Hypothermia.
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4. Maternal DM and asthma .
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5. Large baby.
CLINICAL FEATURES OF T.T.N.:
FEATURES:
presentation:
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Respiratory distress signs may not be prominent.
•
Tachypnea (R.R. >60/min.).
•
CXR:
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a. Hyperinflation.
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b. Peri-hilar opacities.
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c. Fluid in the transverse fissure.
Management of T.T.N.:
•
Oxygen for 2-3 days, concentration more
than 40% is rarely needed.
•
Antibiotics, since it may simulate G.B.S.
pneumonia.
•
Diuretics are not useful.
•
Prognosis is good, most patients recover
within 2-3 days.
T.T.N. is associated with development of
wheezing syndromes in childhood.