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Crescentic lupus glomerulonephritis.

C K Yeung, K L Wong, W S Wong

    Clinical Nephrology
    |May 1, 1984
    PubMed
    Summary

    Crescentic lupus glomerulonephritis affects 16% of systemic lupus erythematosus (SLE) patients with WHO class IV lupus nephritis. Early treatment is crucial for favorable outcomes in this severe kidney condition.

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    Area of Science:

    • Nephrology
    • Rheumatology
    • Immunology

    Background:

    • Systemic lupus erythematosus (SLE) is an autoimmune disease that can affect multiple organs, including the kidneys.
    • Lupus nephritis, a common complication of SLE, is characterized by inflammation of the kidneys.
    • Crescentic lupus glomerulonephritis represents a severe form of lupus nephritis, defined by the presence of crescents in over 50% of glomeruli.

    Purpose of the Study:

    • To determine the incidence of crescentic lupus glomerulonephritis in patients with SLE undergoing kidney biopsy.
    • To characterize the clinical, serological, and renal manifestations of crescentic lupus glomerulonephritis.
    • To evaluate the treatment response and prognosis of patients with crescentic lupus glomerulonephritis.

    Main Methods:

    • Retrospective analysis of 16% of systemic lupus erythematosus (SLE) patients who underwent kidney biopsy over 32 months.
    • All patients had underlying World Health Organization (WHO) class IV lupus nephritis.
    • Clinical data, including renal function, proteinuria, serum albumin, and serological markers, were collected and analyzed.

    Main Results:

    • Crescentic lupus glomerulonephritis was diagnosed in 16% of biopsied SLE patients, all with WHO class IV lupus nephritis.
    • These patients frequently presented with acute renal failure (non-oliguric), heavier proteinuria, and lower serum albumin compared to non-crescentic cases.
    • Other renal and extrarenal manifestations, as well as serological findings, were similar between crescentic and non-crescentic groups.
    • Crescentic lupus glomerulonephritis can occur at initial SLE presentation or develop later during the disease course.

    Conclusions:

    • Crescentic lupus glomerulonephritis is a significant finding in SLE patients with WHO class IV lupus nephritis, associated with acute renal failure.
    • While initial treatment responses to combined therapies (methylprednisolone, immunosuppressives, antiplatelet agents) can be good, prognosis is unfavorable for inadequately treated patients or those with persistent nephrotic syndrome and crescents.
    • Early diagnosis and aggressive, comprehensive treatment are essential for improving outcomes in crescentic lupus glomerulonephritis.

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