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Assessment of Kidney Function in Mouse Models of Glomerular Disease
09:16

Assessment of Kidney Function in Mouse Models of Glomerular Disease

Published on: June 30, 2018

Acute glomerulonephritis in children. An evolutive morphologic and immunologic study of the glomerular inflammation

H G Rosenberg, S U Vial, J Pomeroy

    Pathology, Research and Practice
    |December 1, 1985
    PubMed

    Insights

    This study tracked children with acute nephritic syndrome, finding that most cases involved streptococcal infections. Follow-up biopsies revealed varying recovery rates, with a significant portion showing persistent or worsening kidney lesions.

    Area of Science:

    • Pediatric Nephrology
    • Immunology
    • Infectious Diseases

    Background:

    • Acute nephritic syndrome is characterized by proteinuria, hematuria, edema, and hypertension in children.
    • Streptococcal infections are a common trigger for acute nephritic syndrome in pediatric populations.
    • Renal biopsy is crucial for diagnosing and understanding the progression of glomerulonephritis.

    Purpose of the Study:

    • To investigate the clinical and morphologic evolution of acute nephritic syndrome in children.
    • To correlate clinical presentation with renal biopsy findings over time.
    • To assess the long-term renal outcomes following streptococcal infection-associated nephritic syndrome.

    Main Methods:

    • Prospective study of 80 children diagnosed with acute nephritic syndrome.
    • Initial renal biopsies within 60 days of disease onset, with follow-up biopsies in 46 patients between 6 and 45 months.
    • Analysis included light microscopy, immunofluorescence, and electron microscopy, alongside clinical data.
    • Detection of streptococcal infection in 73 out of 80 cases.

    Main Results:

    • 77 patients exhibited C3 deposits in renal biopsies, indicating active glomerulonephritis.
    • Follow-up biopsies showed complete resolution in 27% of cases.
    • 56% of patients had residual minor lesions, while 17% showed increased severity of kidney damage.
    • 3 patients with typical clinical symptoms lacked morphologic evidence of glomerulonephritis.

    Conclusions:

    • Acute nephritic syndrome, often linked to streptococcal infections, shows diverse recovery patterns in children.
    • A significant proportion of children experience persistent or progressive renal lesions despite initial treatment.
    • Renal biopsy is essential for monitoring disease activity and predicting long-term prognosis in pediatric nephritic syndrome.

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