Identification and Significance of<i>Streptococcus agalactiae</i>(Lancefield Group B)

Braunstein, Herbert; Tucker, Elon B.; Gibson, B. Cecil

doi:10.1093/ajcp/51.2.207

Cited by 35 publications

(14 citation statements)

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“…These organisms failed to grow on EMB agar and were resistant to bacitracin and all other antibiotics tested. These observations are consistent with those for Lancefield Group B (Braunstein, Tucker, and Gibson, 1969 …”

Section: Streptococcisupporting

confidence: 92%

Microbial flora of the external os of the premenopausal cervix.

Keith¹,

England²,

Bartizal³

et al. 1972

Sexually Transmitted Infections

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Section: Streptococcisupporting

confidence: 92%

Microbial flora of the external os of the premenopausal cervix.

Keith¹,

England²,

Bartizal³

et al. 1972

Sexually Transmitted Infections

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“…Over the last 27 years, however, it has been isolated with increasing frequency as the primary etiologic agent of a wide variety of' human pathological conditions, including neonatal sepsis and meningitis, omphalitis, septicemia, puerperal infections including septic abortion, urinary tract infections (UTI), endocarditis, pneumonia, empyema, abscesses, wound and skin infections, peritonitis, osteomyelitis, arthritis, and otitis media (3-5, 7-10, 15-19, 24-26, 31-33, 40). An etiologic role in pharyngitis has been suggested also (3,7,18). In addition, this organism can cause infections associated with carcinoma, diabetes, tuberculosis, and other debilitating diseases (7,8,16,30).…”

mentioning

confidence: 99%

Distribution by Serological Type of Group B Streptococci Isolated from a Variety of Clinical Material over a Five-Year Period (with Special Reference to Neonatal Sepsis and Meningitis)

1973

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A total of 898 group B streptococci isolated from a wide variety of human clinical sources from July 1967 through June 1972 were typed by the Lancefield precipitin test. Only 11% of the strains were nontypable. Twenty-six percent of' the group B strains were from respiratory sources, 22%/; were from cerebrospinal fluid (CSF) and blood, 13% were from the female genital tract, 12% were urine specimens, and the remaining 27% were from other varied sources. The clinical conditions reported for patients from whom these organisms were isolated included neonatal meningitis and sepsis, pharyngitis, urinary tract and female genital tract inf'ections, and various skin and wound infections. Seventy percent of the CSF and blood cultures from patients with meningitis or sepsis, or both, were type III, whereas the overall percentage of' this type was 32%c. All but three CSF isolates were f'rom patients under 2 years of age; the distribution of' CSF isolates appeared to be the same for both sexes. In contrast, group B streptococci were isolated more frequently from the blood of males than from the blood of females. There were twice as many blood cultures from patients under 2 years of age than from those that were older.

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“…Presumptive identification of GBS may be achieved by microscopic examination of the colonial morphologic characteristics of the organism and by testing the biochemical behavior of the putative GBS colony with a unique battery of biochemical procedures. 12,13 The GBS colony on sheep blood agar has a distinctive appearance at 24 hours. It is often larger than 2 mm and appears gray, soft, and mucoid.…”

Section: Laboratory Identificationmentioning

confidence: 99%