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Infant respiratory distress syndrome (IRDS), also known as surfactant deficiency disorder (SDD), [2] and previously called hyaline membrane disease (HMD), is a syndrome in premature infants caused by developmental insufficiency of pulmonary surfactant production and structural immaturity in the lungs.
Most disease-causing mutations in SFTPB result in a complete lack of mature SP-B protein 265120. Lung disease is inherited in an autosomal recessive manner, requiring mutations in both alleles. Surfactant produced by infants with SP-B deficiency is abnormal in composition and does not function normally in lowering surface tension. [citation needed]
The presence of meconium within the lungs, known as meconium aspiration syndrome, can obstruct the airways and also deactivate the newborn's surfactant. The inflammation that also results from the inhalation of meconium also causes airway constriction, resulting in poor ventilation of the alveoli and inadequate oxygenation of the pulmonary ...
Monitoring the level of carbon dioxide in neonatal infants to ensure that the level is not too high or too low is important for improving outcomes for neonates in intensive care. [23] Carbon dioxide can be monitored by taking a blood sample ( arterial blood gas ), through the breath ( exhalation ), and it can be measured continuously through ...
Major growth and maturation of the respiratory system occurs from week 24 until term. More alveolar precursors develop, and larger amounts of pulmonary surfactant are produced. Surfactant levels are not generally adequate to create effective lung compliance until about the eighth month of pregnancy.
The major surfactant deficiency in premature infants relates to the lack of phosphatidylglycerol, even though it comprises less than 5% of pulmonary surfactant phospholipids. It is synthesized by head group exchange of a phosphatidylcholine enriched phospholipid using the enzyme phospholipase D .
A group of parents have accused the state of New Jersey of “secretly retaining” their newborn babies’ blood in a “creepy database” without their consent.. In a news release, the non ...
Meconium aspiration syndrome (MAS), also known as neonatal aspiration of meconium, is a medical condition affecting newborn infants. It describes the spectrum of disorders and pathophysiology of newborns born in meconium-stained amniotic fluid (MSAF) and have meconium within their lungs. Therefore, MAS has a wide range of severity depending on ...