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|Title:||Decreased interleukin-10 in tracheal aspirates from preterm infants developing chronic lung disease.|
Henry, Richard L.
|Citation:||Acta Paediatrica, 2002; 91 (11):1194-1199|
|Publisher:||Taylor and Francis|
|School/Discipline:||School of Population Health and Clinical Practice : Public Health|
|J. Oei, K. Lui, H. Wang and R. Henry|
|Abstract:||The inability to balance pulmonary injury with healing may predispose preterm infants to chronic lung disease (CLD). It is postulated that the production of interleukin (IL)-10, an anti-inflammatory cytokine, is gestationally influenced and that CLD-prone infants may have a reduced ability to produce IL-10. Methods: Tracheal fluid (TF) was collected at least twice weekly from 48 mechanically ventilated infants within the first 7 d of life while intubated. Results: A total of 87 TF specimens were obtained. None of the 11 CLD infants (24-31 wk of gestation) had TF IL-10 levels above 4 pg/ml (0/20 TF specimens), while 14 (70%) of the 20 non-CLD preterm infants (27-36 wk of gestation) had IL-10 levels above 5 pg/ml in one or more of their TF specimens (18/48 TF specimens, p < 0.001). Only the 5 term infants who were ventilated for severe lung disease had raised IL-10 levels (17 infants, 5/19 TF specimens). IL-10 levels, if detected, (range 6938 pg/ml) tended to be higher with increasing gestation (Spearman's rho coefficient = 0.43; p = 0.003). TF IL-10 detection was not associated with hyaline membrane disease, antenatal steroids or influenced by TF sample volume. Overall IL-8 levels were wide ranging but towards the end of week 1 the levels were significantly higher in CLD infants (CLD: median 34 184 ng/ml, preterm non-CLD: median 699 ng/ml, p < 0.001, term: 2961 ng/ml, p = 0.028). Conclusion: A gestationally influenced low IL-10 may predispose preterm infants to persistent pulmonary inflammation of CLD.|
|Keywords:||Chronic lung disease; IL-8; IL-10; neonates|
|Description:||© Taylor & Francis|
|Appears in Collections:||Public Health publications|
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