PMID: 3757395Oct 1, 1986Paper

Group C and group G streptococci. In-office isolation from children and adolescents with pharyngitis

Clinical Pediatrics
R H Schwartz, S T Shulman

Abstract

The importance of non-group A streptococci as etiologic agents of acute pharyngitis in endemic circumstances is unclear. The authors attempted to clarify this issue in patients undergoing throat culture for acute pharyngitis in a suburban pediatric practice. Of 6,694 throat cultures, 2,243 (34%) yielded B-hemolytic streptococci, 83 percent (1,783) of which were bacitracin-sensitive and presumptive group A organisms. A random selection of 279 of the 460 bacitracin-resistant streptococci yielded 56 group C, 42 group G, 35 group F, 2 group A, and 3 mixed groups of streptococci. Paired serologic specimens were obtained from 12 children with group C or G streptococci. Four of six group C subjects from whom paired serum specimens were obtained had a significant increase in anti-streptolysin O titer. However, no change in anti-C/G hyaluronidase or anti-C carbohydrate titer was observed. Similarly, two of six subjects with group G streptococci on throat culture in whom paired serum specimens were obtained showed an increase in ASO titer. No seroconversion to anti-C/G hyaluronidase, anti-C, or anti-G carbohydrates was demonstrated. Despite substantial clinical and circumstantial evidence, it could not be confirmed serologically that gro...Continue Reading

References

Jul 1, 1979·Journal of Clinical Microbiology·C B Forrer, P D Ellner
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Feb 1, 1985·Clinical Otolaryngology and Allied Sciences·K JokinenM Sorri
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Mar 31, 1933·The Journal of Experimental Medicine·R C Lancefield

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Citations

Apr 1, 1988·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·A StrömbergO Cars
Aug 19, 2009·Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy·Andrew FretzayasPolyxeni Nicolaidou
Aug 1, 1990·Annals of Emergency Medicine·O V CalubiranB Cunha
Apr 4, 2002·Scandinavian Journal of Infectious Diseases·Penny LewthwaiteDavid H Dockrell
Jan 1, 1988·Scandinavian Journal of Infectious Diseases·A StrömbergO Cars

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