High concentrations of keratinocyte growth factor in airways of premature infants predicted absence of bronchopulmonary dysplasia.

Abstract:

:Premature lungs are highly susceptible to lung injuries, leading to bronchopulmonary dysplasia (BPD). Keratinocyte growth factor (KGF) is produced by the developing lung and may reduce the risk of BPD by preventing injury to the lung epithelium and enhancing its repair. To determine whether KGF concentrations in the airways during the initial phase of hyaline membrane disease are correlated with subsequent development of BPD defined as the need for supplemental oxygen at a postconceptional age of 36 weeks, we obtained tracheal aspirates within 3 hours of birth (Day 0) from 91 intubated neonates with a gestational age of 30 weeks or less. Repeat samples were obtained from 42 neonates within 5 days after birth. KGF in aspirate supernatants was measured by enzyme-linked immunosorbent assay. On Day 0, KGF was detected in all but six neonates. A significant increase in KGF concentration was found from the first to the second samples. The highest KGF concentration within 5 days after birth (KGF(max)) was significantly higher in survivors without BPD than in those with BPD. A KGF(max) value higher than 110 pg/ml had a positive predictive value of 95% for absence of BPD. KGF may hold promise for the treatment of very premature neonates.

authors

Danan C,Franco ML,Jarreau PH,Dassieu G,Chailley-Heu B,Bourbon J,Delacourt C

doi

10.1164/rccm.200112-134BC

keywords:

subject

Has Abstract

pub_date

2002-05-15 00:00:00

pages

1384-7

issue

10

eissn

1073-449X

issn

1535-4970

journal_volume

165

pub_type

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