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  • Title: Lower concentration of pulmonary hepatocyte growth factor is associated with more severe lung disease in preterm infants.
    Author: Lassus P, Heikkilä P, Andersson LC, von Boguslawski K, Andersson S.
    Journal: J Pediatr; 2003 Aug; 143(2):199-202. PubMed ID: 12970632.
    Abstract:
    OBJECTIVES: Hepatocyte growth factor (HGF) participates in normal lung development and in regeneration after lung injury in animals. We studied the role of HGF during the perinatal period and in the development of bronchopulmonary dysplasia (BPD). STUDY DESIGN: HGF was measured in 172 tracheal aspirate fluid samples (TAF) from 17 preterm infants in whom BPD subsequently developed (gestational age, 27.2+/-1.7 weeks; body weight, 828+/-210 g) and from 15 who survived without BPD (gestational age, 26.8+/-1.9 weeks; body weight, 994+/-265 g) during the first 2 postnatal weeks. RESULTS: Infants with subsequent development of BPD had lower HGF in TAF (45+/-9 pg/mL per IgA-sc) than those surviving without BPD (102+/-32 pg/mL per IgA-sc; P=.028). Lower HGF in TAF were seen in infants with more severe acute respiratory distress as defined as requirement for surfactant therapy (50+/-14 vs 146+/-50 pg/mL per IgA-sc in infants requiring no surfactant; P=.0001), for higher number of surfactant doses (r=-0.16, P=.06), and for mechanical ventilation >1 week (167+/-51 vs 51+/-14 pg/mL per IgA-sc in infants intubated <1 week; P=.0012). CONCLUSIONS: These data show an association between lower HGF concentration in TAF and more severe lung disease in human preterm infants in the early neonatal period.
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