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Urolithiasis pp 531-533 | Cite as

External Quality Assessment of Urinary Oxalate Analysis: Three Years’ Experience

  • C. T. Samuell
  • G. P. Kasidas
  • G. A. Rose

Abstract

It is now widely accepted that hyperoxaluria, however mild, is a key risk factor for calcium oxalate urolithiasis and, indeed, is probably more significant than hypercalciuria in this respect (1–3). Clinical awareness of this fact has rightly led to an increased demand for urinary oxalate assays and many more laboratories are now offering this measurement. The recent availability of commercial kit procedures has greatly aided this development, particularly in those laboratories with a small workload.

Keywords

Calcium Oxalate External Quality Assessment Urinary Oxalate External Quality Assessment Scheme Oxalate Level 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    WG Robertson and BEC Nordin, Activity products in urine, in: “Renal Stone Research Symposium”, A Hodgkinson and BEC Nordin, eds., Churchill, London (1969).Google Scholar
  2. 2.
    WG Robertson and M Peacock, The cause of idiopathic calcium stone disease: hypercalciuria or hyperoxaluria, Nephron 26: 105 (1980).PubMedCrossRefGoogle Scholar
  3. 3.
    B Baggio, G Gambaro, and S Favaro, Prevalence of hyperoxaluria in idiopathic calcium oxalate kidney stone disease, Nephron 35: 11 (1983).PubMedCrossRefGoogle Scholar
  4. 4.
    CT Samuell, Experiences with an external quality assessment scheme for urinary oxalate, in: “Oxalate Metabolism in Relation to Urinary Stone”, GA Rose, ed., Springer-Verlag (1988).Google Scholar
  5. 5.
    GP Kasidas and GA Rose, Removal of ascorbate from urine prior to assaying with a commercial oxalate kit, Clin. Chim. Acta 164: 215 (1987).PubMedCrossRefGoogle Scholar
  6. 6.
    GP Kasidas and GA Rose, Continuous flow assay for urinary oxalate using immobilized oxalate oxidase, Ann. Clin. Biochem. 22: 412 (1985).PubMedGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • C. T. Samuell
    • 1
    • 2
  • G. P. Kasidas
    • 1
    • 2
  • G. A. Rose
    • 1
    • 2
  1. 1.Biochemistry DepartmentSt. Peter’s HospitalLondonUK
  2. 2.Institute of UrologyLondonUK

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