Transient tachypnea of the newborn: Difference between revisions
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==Overview== | |||
'''Transient tachypnea of the newborn''' (TTNB, or "Transitory tachypnea of newborn") is a respiratory problem seen in the [[newborn]] shortly after [[childbirth|delivery]]. It consists of a period of rapid breathing (more than the for newborns normal 40-60 times a minute). It is likely due to retained [[lung]] fluid, and common in 35+ week gestation babies who are delivered by [[caesarian section]] without [[labour (childbirth)|labour]]. Usually, this condition resolves over 24-48 hours. Treatment is supportive and may include supplemental [[oxygen]] and [[antibiotic]]s. The chest [[X-Ray]] shows hyperinflation of the lungs including prominent pulmonary vasular markings, flattening of the diaphragm, and fluid in the horizontal fissure. | '''Transient tachypnea of the newborn''' (TTNB, or "Transitory tachypnea of newborn") is a respiratory problem seen in the [[newborn]] shortly after [[childbirth|delivery]]. It consists of a period of rapid breathing (more than the for newborns normal 40-60 times a minute). It is likely due to retained [[lung]] fluid, and common in 35+ week gestation babies who are delivered by [[caesarian section]] without [[labour (childbirth)|labour]]. Usually, this condition resolves over 24-48 hours. Treatment is supportive and may include supplemental [[oxygen]] and [[antibiotic]]s. The chest [[X-Ray]] shows hyperinflation of the lungs including prominent pulmonary vasular markings, flattening of the diaphragm, and fluid in the horizontal fissure. | ||
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* 3. Mild surfactant deficiency has also been suggested as a causative factor. | * 3. Mild surfactant deficiency has also been suggested as a causative factor. | ||
==Diagnosis== | |||
===Chest X-ray=== | |||
* Finds of pulmonary edema: airspace opacities, prominent interstitial markings, prominent and indistinct pulmonary vasculature, pleural effusions, and cardiomegaly. | |||
* Lungs are normal to increased in volume. | |||
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Transient tachypnea of the newborn 001.jpg | |||
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==References== | |||
{{reflist|2}} | |||
{{WH}} | |||
{{WS}} | |||
{{disease-stub}} | {{disease-stub}} | ||
{{Certain conditions originating in the perinatal period}} | {{Certain conditions originating in the perinatal period}} | ||
Latest revision as of 12:29, 3 August 2012
| Transient tachypnea of the newborn | |
| ICD-10 | P22.1 |
|---|---|
| ICD-9 | 770.6 |
| DiseasesDB | 32373 |
| MedlinePlus | 007233 |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Transient tachypnea of the newborn (TTNB, or "Transitory tachypnea of newborn") is a respiratory problem seen in the newborn shortly after delivery. It consists of a period of rapid breathing (more than the for newborns normal 40-60 times a minute). It is likely due to retained lung fluid, and common in 35+ week gestation babies who are delivered by caesarian section without labour. Usually, this condition resolves over 24-48 hours. Treatment is supportive and may include supplemental oxygen and antibiotics. The chest X-Ray shows hyperinflation of the lungs including prominent pulmonary vasular markings, flattening of the diaphragm, and fluid in the horizontal fissure.
Pathophysiology
- 1. Due to the higher incidence of TTN in newborns delivered by caesarean section, it has been postulated that TTN could result from a delayed absorption of fetal lung fluid from the pulmonary lymphatic system. The increased fluid in the lungs leads to increased airway resistance and reduced lung compliance.
- 2. Pulmonary immaturity has also been proposed as a causative factor. Levels of phosphatidylglycerol (an indicator of lung maturity) was found to be negative in certain newborns.
- 3. Mild surfactant deficiency has also been suggested as a causative factor.
Diagnosis
Chest X-ray
- Finds of pulmonary edema: airspace opacities, prominent interstitial markings, prominent and indistinct pulmonary vasculature, pleural effusions, and cardiomegaly.
- Lungs are normal to increased in volume.
References
Template:WH Template:WS Template:Disease-stub Template:Certain conditions originating in the perinatal period