group B streptococci

group B strep·to·coc·ci

a leading cause of a form of neonatal sepsis that has a 10-20% mortality rate and leaves a large number of survivors with brain damage; also a leading cause of meningitis.

group B streptococci

Streptococci that, when grown on blood-agar, produce complete hemolysis around each colony, indicated by a yellowish zone. Included are S. pyogenes and S. agalactiae.These streptococci are a leading cause of early-onset neonatal infections and late-onset postpartal infections. In women, this is marked by urinary tract infection, chorioamnionitis, postpartum endometritis, bacteremia, and wound infections complicating cesarean section. Eradication of this organism during labor decreases the chances for neonatal sepsis. Performance of cervical-rectal screening cultures at 35 to 37 weeks’ gestation (and intrapartum treatment with penicillin if cultures are positive) prevents the development of neonatal sepsis. Synonym: ß-hemolytic streptococciSee also: streptococcus

单词	group b streptococci
释义	DictionarySeestreptococcus group B streptococci group B strep·to·coc·ci a leading cause of a form of neonatal sepsis that has a 10-20% mortality rate and leaves a large number of survivors with brain damage; also a leading cause of meningitis. group B streptococci Streptococci that, when grown on blood-agar, produce complete hemolysis around each colony, indicated by a yellowish zone. Included are S. pyogenes and S. agalactiae.These streptococci are a leading cause of early-onset neonatal infections and late-onset postpartal infections. In women, this is marked by urinary tract infection, chorioamnionitis, postpartum endometritis, bacteremia, and wound infections complicating cesarean section. Eradication of this organism during labor decreases the chances for neonatal sepsis. Performance of cervical-rectal screening cultures at 35 to 37 weeks’ gestation (and intrapartum treatment with penicillin if cultures are positive) prevents the development of neonatal sepsis. Synonym: ß-hemolytic streptococciSee also: streptococcus
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