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Botet, F. et al.

Francesc Botet, Josep Figueras, Xavier Carbonell-Estrany, Gemma Arca, N. The Castrillo Study Group,

Effect of maternal clinical chorioamnionitis on neonatal morbidity in very-low birthweight infants: a case-control study.

AIMS: To assess the relationship between maternal clinical chorioamnionitis and neonatal outcome in preterm very-low birthweight (VLBW) infants. METHODS: An observational case-control study was conducted in the Neonatology Services of 12 acute-care teaching hospitals in Spain. Between January 2004 and December 2006, all consecutive VLBW (< or =1500 g) infants born to a mother with clinical chorioamnionitis were enrolled. Controls were infants without chorioamnionitis matched by gestational age who were born immediately after each index case. RESULTS: There were 165 cases and 163 controls. A significantly higher percentage of cases than controls required intubation (53% vs. 35.8%), had normal intrauterine growth (98.1% vs. 84.7%), were born in a tertiary center (inborn) (95.1% vs. 89.1%), from single gestations (76.4% vs. 65.6%) and vaginal delivery (47.3% vs. 33.3%), showed a lower Apgar score at 5 min, and presented a higher rate of early-onset sepsis (10.4% vs. 1.2%). Older maternal age (32.5 vs. 30.8 years), premature labor (67.3% vs. 25.8%), premature rupture of membranes (61.3% vs. 25.8%), and antibiotic treatment (88.5% vs. 52.3%) were significantly more frequent among cases than controls. CONCLUSIONS: After controlling by gestational age, maternal chorioamnionitis was associated with neonatal depression and early sepsis but not with other prematurity-related complications.[1]

References

Effect of maternal clinical chorioamnionitis on neonatal morbidity in very-low birthweight infants: a case-control study. Botet, F., Figueras, J., Carbonell-Estrany, X., Arca, G., The Castrillo Study Group, N. J. Perinat. Med (2010) [Pubmed]

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