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[Echo-guided biopsy in renal transplant]

F Gómez Veiga1, V Chantada Abal, J Picallo Sánchez

  • 1Servicio de Urología, Hospital Juan Canalejo, La Coruña, España.

Archivos Espanoles De Urologia
|March 1, 1993
PubMed
Summary

Ultrasound-guided biopsy of renal grafts is highly effective, yielding diagnostic specimens in 97% of cases. This method minimizes complications, though deeper punctures may increase hematuria risk.

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Area of Science:

  • Nephrology
  • Radiology
  • Surgical Pathology

Background:

  • Renal graft biopsies are crucial for diagnosing rejection and complications.
  • Percutaneous biopsy techniques are standard but carry risks.

Purpose of the Study:

  • To evaluate the efficacy and safety of ultrasound-guided renal graft biopsy.
  • To determine the diagnostic yield and complication rates.

Main Methods:

  • Prospective study of 64 renal graft biopsies.
  • Real-time ultrasound guidance with a Tru-Cut needle.
  • Analysis of tissue obtained and complication incidence.

Main Results:

  • 97% of biopsies were diagnostic (62/64).
  • Mild hematuria occurred in 12% (8/64) with no major complications.

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  • Medullary tissue biopsies were associated with higher complication rates (p < 0.05).

    • Conclusions:

    • Ultrasound-guided biopsy is a highly effective technique for renal grafts.
    • The procedure demonstrates a low risk of major complications.
    • Careful attention to puncture depth is advised to minimize hematuria.