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Group B streptococcal infection, also known as Group B streptococcal disease or just Group B strep infection, is the infectious disease caused by the bacterium Streptococcus agalactiae. Streptococcus agalactiae is the most common human pathogen belonging to group B of the Lancefield classification of streptococci —hence the name of group B ...
Group B streptococcus (GBS), also named Streptococcus agalactiae, is a bacteria typically identified as the cause of the majority of early-onset infections in the neonate. GBS is an encapsulated gram-positive cocci that colonizes the gastrointestinal and genital tracts of pregnant women.
Streptococcus agalactiae (also known as group B streptococcus or GBS) is a gram-positive coccus (round bacterium) with a tendency to form chains (as reflected by the genus name Streptococcus). It is a beta- hemolytic , catalase -negative, and facultative anaerobe .
Since the 1990s early-onset sepsis has declined because of screening of group B streptococcus. The cause of early-onset neonatal sepsis are pathogens that contaminate the placenta, vaginal canal, cervix, or amniotic fluid, and these pathogens can affect the baby either in the womb or during labor. [ 23 ]
Similarly, group B streptococcus typically denotes Streptococcus agalactiae, although minor beta-hemolytic group B streptococci like S. troglodytidis exist. [15] While most streptococcal illnesses in humans originate from species adapted to humans, such as S. pneumoniae or S. pyogenes , there are zoonotic species capable of causing infections ...
S. agalactiae, or group B streptococcus, GBS, causes pneumonia and meningitis in newborns and the elderly, with occasional systemic bacteremia. Importantly, Streptococcus agalactiae is the most common cause of meningitis in infants from one month to three months old.
^Hafner E, Sterniste W, Rosen A, et al. Group B streptococci during pregnancy: a comparison of two screening and treatment protocols. Am J Obstet Gynecol 1998; 179:677--81.; ^ Antimicrobial prevention of early-onset group B streptococcal sepsis: estimates of risk reduction based on a critical literature review Benitz WE, Gould JB, Druzin ML. Pediatrics 1999;103:e78.; External links. Prevention ...
Antibiotics may be given for those at risk of Group B streptococcus. [2] Delivery is generally indicated in those with complications, regardless of how far along in pregnancy. [2] About 8% of term pregnancies are complicated by PROM while about 30% of preterm births are complicated by PROM.