Abstract:
:Phosphatidylcholine (PC) is the predominant phospholipid in natural surfactant preparations. A metabolic intermediate, lyso-PC, is potentially injurious to the lungs. In the present study, tracheal aspirates from preterm babies with respiratory distress syndrome treated with surfactant were examined for the presence of lyso-PC to determine if there was any correlation with outcome. Eighteen babies were assigned to receive initially either 100 or 200 mg/kg Curosurf followed by up to three further 100-mg/kg doses if required. Lyso-PC was present in aspirates taken 12-24 h after the last treatment from nine of 11 infants who initially received 200 mg/kg but in only one from seven receiving 100 mg/kg initially, and was dependent on the total dose of phospholipid administered. Three babies in the low-dose group developed bronchopulmonary dysplasia, whereas two in the high-dose group were non-survivors, however we could not correlate the presence of lyso-PC with adverse long-term outcome in this group of preterm infants.
journal_name
Early Hum Devjournal_title
Early human developmentauthors
O'Hare MM,Bingham AM,McMaster C,Halahakoon WL,Corcoran JD,Halliday HLdoi
10.1016/s0378-3782(97)01885-9subject
Has Abstractpub_date
1997-09-19 00:00:00pages
135-41issue
2eissn
0378-3782issn
1872-6232pii
S0378378297018859journal_volume
49pub_type
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Early human development
pub_type: 杂志文章
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