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Experience with a new method for percutaneous renal biopsy.

K L Donovan¹, D M Thomas, D C Wheeler

¹Institute of Nephrology, Royal Infirmary, Cardiff, Wales, UK.

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association

|January 1, 1991

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A new ultrasound-guided percutaneous renal biopsy technique using an automated device achieved a 97.8% success rate with minimal complications in trainee nephrologists. This method offers accurate kidney localization and direct visualization, proving highly effective for native kidney biopsies.

Area of Science:

Nephrology
Medical Imaging
Surgical Techniques

Background:

Percutaneous renal biopsy is crucial for diagnosing kidney diseases.
Traditional methods may have limitations in accuracy and complication rates.
Trainee-performed procedures require reliable and safe techniques.

Purpose of the Study:

To evaluate a novel technique for percutaneous renal biopsy.
To assess the efficacy and safety of ultrasound-guided automated biopsy in native kidneys.
To determine the success rate and complication profile of this new method performed by trainee nephrologists.

Main Methods:

A new technique combining an automated biopsy device, disposable needles, and an ultrasound-guided needle guide was employed.
Real-time ultrasound scanning was utilized throughout the biopsy procedure.

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Histopathological data and clinical records were analyzed to assess success and complications.

Main Results:

Out of 192 attempted biopsies, 188 (97.8%) were successful.
An average of 2.8 needle passes yielded tissue cores in 75% of biopsies, with a mean of 25 glomeruli obtained.
No frank hematuria, blood transfusions, or surgical interventions were reported; only minor complications occurred.

Conclusions:

The evaluated percutaneous renal biopsy technique is simple, safe, and highly successful.
Real-time ultrasound guidance and an automated device enhance accuracy and minimize complications.
This minimally invasive technique, suitable for trainee performance, warrants broader adoption.