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Group B Streptococcus infection, screening, treatment - recommendation


Authors: A. Měchurová
Authors‘ workplace: Ústav pro péči o matku a dítě, Katedra gynekologie a porodnictví, Praha, ředitel doc. MUDr. J. Feyereisl, CSc.
Published in: Prakt. Lék. 2006; 86(2): 92-94
Category: Therapy

Overview

Group B Streptococcus infection (GBS, Streptococcus agalactiae) is asignificant cause of perinatal mortality and morbidity. Thus all pregnant women (withthe exception of those with a positive urine culture for GBS at any time during pregnancy) should undergo screening for streptococcus colonizationat 35 to 37 weeks of gestation with a vaginal culture from the lower third of the vagina. If the vaginal culture is positive, we do not treat the patient antepartum, but perform intrapartum prophylaxis (when membranes are ruptured or at the onset of uterine contractions) with the administration of intravenous antibiotics. Penicillin antibiotics are the first choice of treatment.

If the patient is penicillin-allergic with a low risk of anaphylaxis, we administer cephalosporins. If there is a high risk of anaphylaxis, we administer a lincosamide- clindamycin or a macrolide- erythromycin. It is most beneficial to administer the antibiotics more than 4 hours before delivery, otherwise the risk of colonization of the neonate dramatically increases. At delivery, the pediatrician must always be informed of maternal colonization.

Key words:
group B Streptococcus - Streptococcus agalactiae- screening – vaginal colonization - neonatal colonization - GBS infection - GBS sepsis.


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General practitioner for children and adolescents General practitioner for adults
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