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Related Experiment Videos

Focal and segmental glomerular sclerosis in reflux nephropathy

D B Bhathena, J H Weiss, N H Holland

    The American Journal of Medicine
    |June 1, 1980
    PubMed
    Summary

    Focal and segmental glomerulosclerosis is common in reflux nephropathy, causing proteinuria and kidney failure. However, it rarely recurs after kidney transplantation, unlike in idiopathic nephrotic syndrome.

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    Area of Science:

    • Nephrology
    • Pathology
    • Transplantation

    Background:

    • Reflux nephropathy is a significant cause of end-stage renal disease.
    • Glomerular sclerosis is a key feature in various kidney diseases.

    Purpose of the Study:

    • To investigate the prevalence and characteristics of focal and segmental glomerulosclerosis (FSGS) in patients with reflux nephropathy.
    • To determine the impact of FSGS on proteinuria and renal function in reflux nephropathy.
    • To assess the recurrence of FSGS after renal transplantation in this patient cohort.

    Main Methods:

    • Histological and immunofluorescence analysis of nephrectomy specimens from patients with reflux nephropathy.
    • Comparison of urinary protein excretion before and after renal transplantation.

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  • Histological examination of explanted kidneys from patients who underwent transplantation.

    • Main Results:

    • Focal and segmental glomerulosclerosis was observed in kidneys with reflux nephropathy, associated with significant proteinuria (3.1 g/24h).
    • Proteinuria decreased substantially after renal transplantation (to 1.4 g/24h).
    • FSGS recurrence was rare in the transplanted kidneys (1 of 20), even in cases of chronic rejection.

    Conclusions:

    • Focal and segmental glomerulosclerosis is a common finding in reflux nephropathy, contributing to proteinuria and progressive renal failure.
    • Renal transplantation effectively manages proteinuria and FSGS in reflux nephropathy patients.
    • FSGS associated with reflux nephropathy has a low recurrence rate post-transplantation, contrasting with idiopathic FSGS.