• J Janota, Z Stranák, S Bĕlohlávková, and J E Jirásek.
• Ustav pro péci o matku a dítĕ, Podolské nábrezí 157, 147 10 Praha 4-Podolí, Czech Republic.
• Sb Lek. 2001 Jan 1;102(3):411-8.

ObjectiveTo determine the influence of maternal chorioamnionitis and neonatal sepsis on interleukin-6 (IL-6) levels in cord blood and in blood obtained from very low birth weight (VLBW) infants within the first two hours of life.DesignProspective clinical study.SettingInstitute for the Care of Mother and Child, Prague.MethodsWe measured the serum levels of IL-6 in 30 consecutive VLBW infants born in our institute. IL-6 levels were evaluated in cord blood and in neonatal blood within 2 hours after delivery. Maternal chorioamnionitis and neonatal sepsis within the first 72 hours of life were monitored.ResultsMaternal chorioamnionitis was detected in 7 of 30 patients (23.3%). There was no significant increase in IL-6 level in cord blood of newborns with maternal chorioamnionitis (p = 0.42). Serum level of IL-6 in this group did not differ from the level in newborns of mothers without signs of intraamniotic infection (p = 0.39). Neonatal early-onset sepsis was diagnosed in 7 of 30 patients (23.3%). There was no influence of neonatal sepsis on IL-6 level in cord blood (p = 0.98) and IL-6 level in neonatal blood (p = 0.19). We did not find any correlation between the group "chorioamnionitis positive" and "sepsis positive" (p = 0.31).ConclusionIL-6 in cord blood or in neonatal blood within 2 hours of life was not enough sensitive and specific marker of maternal chorioamnionitis as well as for early-onset neonatal sepsis in the group of very low birth weight infants.

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