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Related Experiment Videos

Renal abnormalities in ankylosing spondylitis.

D W Jones1, M A Mansell, C T Samuell

  • 1Bloomsbury Rheumatology Department, University College Hospital, London, UK.

British Journal of Rheumatology
|October 1, 1987
PubMed
Summary

Ankylosing spondylitis (AS) patients show increased renal abnormalities, including glomerulonephritis and tubulo-interstitial damage. Early detection of kidney issues in AS is crucial.

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Area of Science:

  • Nephrology
  • Rheumatology
  • Immunology

Background:

  • Ankylosing spondylitis (AS) is linked to a higher incidence of renal abnormalities.
  • Potential causes include NSAID use, glomerulonephritis, and amyloid deposition.
  • Assessing renal function in AS patients is important for early diagnosis and management.

Purpose of the Study:

  • To evaluate renal function and identify abnormalities in patients with ankylosing spondylitis (AS).
  • To investigate the types and prevalence of kidney damage in AS patients.

Main Methods:

  • Renal function was assessed in 51 randomly selected AS patients.
  • Renal biopsy was performed on three patients with identified abnormalities.
  • Urinary N-acetyl-beta-D-glucosaminidase (NAG) excretion was measured.

Main Results:

  • Five patients (10%) exhibited definite renal abnormalities.
  • Biopsies revealed IgA glomerulonephritis, focal segmental glomerulosclerosis, and tubulo-interstitial damage.
  • Elevated urinary NAG levels were observed in four patients, with two showing other signs of renal damage.

Conclusions:

  • A significant percentage of AS patients present with renal abnormalities.
  • Active screening for renal involvement is recommended in AS management.
  • Early detection and intervention can potentially mitigate kidney damage progression in AS.

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