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Research Article Free access | 10.1172/JCI106135
Department of Pediatrics, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Microbiology, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Biomedical Data Processing Unit, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Find articles by Anthony, B. in: JCI | PubMed | Google Scholar
Department of Pediatrics, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Microbiology, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Biomedical Data Processing Unit, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Find articles by Kaplan, E. in: JCI | PubMed | Google Scholar
Department of Pediatrics, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Microbiology, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Biomedical Data Processing Unit, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Find articles by Wannamaker, L. in: JCI | PubMed | Google Scholar
Department of Pediatrics, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Microbiology, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Biomedical Data Processing Unit, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Find articles by Briese, F. in: JCI | PubMed | Google Scholar
Department of Pediatrics, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Microbiology, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Department of Biomedical Data Processing Unit, University of Minnesota College of Medical Sciences, Minneapolis, Minnesota 55455
Find articles by Chapman, S. in: JCI | PubMed | Google Scholar
Published September 1, 1969 - More info
Prospective studies in a population of American Indian children during an outbreak of acute nephritis associated with the Type 49 Group A streptococcus permitted a comparison of attack rates of renal complications after infection at different sites and at different ages. Acute nephritis or unexplained hematuria developed in 10 of 42 children (23.8%) with Type 49 streptococcal skin infection, in 2 of 44 (4.5%) with Type 49 throat infection, and in 3 of 16 (18.8%) with simultaneous Type 49 infection at both sites. The higher attack rate of nephritis and hematuria in children with pyoderma indicates that skin lesions played a direct and quantitatively greater role than respiratory infection in the pathogenesis of acute nephritis during this outbreak. Skin infections with the Type 49 strain were followed by evidence of renal complications more often in children younger than 6.5 yr (9 of 21 or 43%) than in older children (1 of 21 or 5%). Attack rates of renal complications after Type 49 skin infection were approximately equal in males and females.
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