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Arch Dis Child Fetal Neonatal Ed 2000;82:F156-F159 ( March )

Measurement of interleukin 10 in bronchoalveolar lavage from preterm ventilated infants

Janet R McColm, Ben J Stenson, Nienke Biermasz, Neil McIntosh

Child Life and Health, Reproductive Medicine and Developmental Sciences, University of Edinburgh, 20 Sylvan Place, Edinburgh EH9 1UW, UK

Correspondence to: Dr McColm

Accepted 4 November 1999

BACKGROUND---Interleukin 10 (IL-10) is a cytokine that downregulates inflammation, in part by reducing the production of the proinflammatory cytokines IL-1beta and IL-8. It has been suggested that an inability to produce IL-10 might predispose preterm infants to develop chronic lung disease.
AIM---To measure IL-10, IL-1beta , and IL-8 in bronchoalveolar lavage fluid from ventilated preterm infants in a prospective cohort study.
PATIENTS---17 consecutive newborn infants =< 29 weeks' gestational age (median, 25; 9 boys) who were ventilated from birth underwent daily bronchoalveolar lavage sampling.
RESULTS---102 samples were collected, of which 57 contained IL-10 in amounts that were comparable with those found previously in ventilated term infants with respiratory failure. Chronic lung disease developed in 9 of the 11 survivors and all 9 infants had produced IL-10. IL-1beta and IL-8 were detected in nearly all samples and were raised throughout the course of sample collection.
CONCLUSION---IL-10 is readily detectable in early bronchoalveolar lavage samples from ventilated preterm infants, although it remains unclear whether this cytokine has any influence on the development of chronic lung disease.


Keywords: inflammation; cytokines; bronchopulmonary dysplasia; chronic lung disease; very preterm infants

© 2000 by Archives of Disease in Childhood


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