Pediatric Nephrology

, Volume 23, Issue 7, pp 1101–1106 | Cite as

Changing epidemiology of acute post-streptococcal glomerulonephritis in Northeast Florida: a comparative study

  • Mohammad IlyasEmail author
  • Asad Tolaymat
Original Article


The objective of this study was to review the epidemiological patterns of acute post-streptococcal glomerulonephritis (APSGN) in a pediatric population. We compared incidence, pathogenesis, clinical presentation and outcomes in two APSGN pediatric patient cohorts in northeastern Florida. Retrospective medical records were reviewed of children who were admitted to our institution with a diagnosis of APSGN. Patients admitted between 1999 and 2006 (recent cohort) were compared with a previously reported cohort of patients admitted between 1957 and 1973 (earlier cohort). The recent cohort comprised 45 children with APSGN of whom 87% were male and 13% were female; the median age was 7 years, and there was an average incidence of 6.4 patients per year. The earlier cohort comprised 153 children with APSGN of whom 62% were male and 38% were female; the median age 4.25 years, and there was an average incidence of 10.9 patients per year. The recent cohort was predominantly White-American (62%) and the earlier cohort predominately African American (87%). In the recent cohort, 64% of patients had antecedent pharyngitis, and in the earlier cohort, 66% of patients had antecedent pyoderma. In the recent cohort, 11% of APSGN cases occurred between August to October, and in the earlier cohort, 50% occurred during these months. In the recent cohort, symptoms of APSGN at presentation were milder and all cases recovered, but in the earlier cohort two deaths (1.3% mortality) were reported. In conclusion, there has been a decline in the incidence and severity of APSGN at our institute in recent decades. Pharyngitis has replaced impetigo as the predominant cause of APSGN. The etiological agent for impetigo has changed over the last decade, which has impacted the incidence, racial distribution, seasonal variation and severity of APSGN.


Acute post-streptococcal glomerulonephritis Impetigo Incidence Pharyngitis 


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Copyright information

© IPNA 2008

Authors and Affiliations

  1. 1.Pediatric NephrologyUniversity of Florida/JacksonvilleJacksonvilleUSA
  2. 2.JacksonvilleUSA

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