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  • Title: The influence of maternal respiratory infections during pregnancy on infant lung function.
    Author: Van Putte-Katier N, Uiterwaal CS, De Jong BM, Kimpen JL, Verheij TJ, Van Der Ent CK, Whistler Study Group.
    Journal: Pediatr Pulmonol; 2007 Oct; 42(10):945-51. PubMed ID: 17726702.
    Abstract:
    INTRODUCTION: We studied whether maternal respiratory infections during pregnancy adversely influence lung growth and development of the offspring, resulting in poor early life lung function. METHODS: Infants were participants of the Wheezing Illnesses Study Leidsche Rijn (WHISTLER). Lung function measurements (single occlusion technique) were performed during natural sleep. Questionnaire data were used to obtain information on maternal respiratory infections during pregnancy. Multivariate analysis was conducted to assess the relationship between maternal respiratory infections during pregnancy and resistance and compliance of the respiratory system, adjusting for potential confounding variables. RESULTS: Lower values of compliance (Crs) were found in infants of mothers with respiratory infections during pregnancy; Crs fell by 5.5% (P = 0.031). The difference in Crs between infants of mothers with and without respiratory infections during pregnancy remained unchanged and statistically significant after adjusting for potential confounding variables. The more respiratory infections the mother experienced during pregnancy, the lower the value of Crs was in her offspring (P for trend = 0.016). Using Crs corrected for body weight the relationship with maternal infections was non-significant, however still showing a trend. CONCLUSIONS: The results of this study may indicate that mothers who experience respiratory infections during pregnancy have newborns with lower compliance of the respiratory system.
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