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Related Experiment Videos

Current indications for renal biopsy: a questionnaire-based survey.

G Fuiano1, G Mazza, N Comi

  • 1Chair of Nephrology, University Magna Graecia of Catanzaro, Naples, Italy. fuiano@tin.it

American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation
|February 29, 2000
PubMed
Summary
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Nephrologists worldwide surveyed indicate specific criteria for performing kidney biopsies in patients with normal function, chronic insufficiency, and transplanted kidneys. This study aims to establish consensus for developing kidney biopsy guidelines.

Area of Science:

  • Nephrology
  • Urology
  • Internal Medicine

Background:

  • Indications for renal biopsy remain unclear, necessitating a global consensus.
  • Current practices vary significantly among nephrologists worldwide.

Purpose of the Study:

  • To survey nephrologists globally regarding indications for renal biopsy.
  • To evaluate current practices in renal biopsy procedures and specimen processing.
  • To establish a consensus for developing clinical guidelines on kidney biopsy.

Main Methods:

  • A detailed questionnaire was distributed to 360 nephrologists globally.
  • Replies were collected and analyzed from 166 participants across different regions.
  • The survey covered indications for biopsy in normal renal function, renal insufficiency, and transplanted kidneys, as well as procedural methods.

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Main Results:

  • Primary indications for renal biopsy in normal renal function include microhematuria with proteinuria >1 g/d.
  • In chronic renal insufficiency, kidney dimension is key; diabetes and serological abnormalities are less critical.
  • For acute renal failure of unknown origin, biopsy timing varies, with 40% performing it after 4 weeks.
  • In transplanted kidneys, biopsy is indicated for graft failure, post-operative ARF, progressive deterioration, and nephrotic proteinuria.

Conclusions:

  • This survey provides the first attempt at a reliable consensus on kidney biopsy indications.
  • Findings can inform the development of standardized guidelines for renal biopsy procedures.
  • Further research and consensus-building are needed to refine indications and improve patient care.