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Micropercutaneous nephrolithotripsy: initial experience.

Erkan Ölçücüoğlu1, Yusuf Kasap1, Esin Ölçücüoğlu2

  • 1Department of Urology, Yüksek İhtisas Training and Research Hospital, Ankara, Turkey.

Wideochirurgia I Inne Techniki Maloinwazyjne = Videosurgery and Other Miniinvasive Techniques
|December 10, 2015
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Summary

Microperc, a minimally invasive technique, effectively treats small kidney stones with a 90% stone-free rate. This method offers a promising alternative to existing treatments for renal calculi.

Keywords:
micropercutaneousrenalstone

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Nephrolithiasis Treatment

Background:

  • Current treatments for small renal calculi (< 2 cm) include ESWL, RIRS, and PNL.
  • Microperc utilizes smaller tract sizes and instruments for renal stone removal.

Purpose of the Study:

  • To evaluate the clinical outcomes of micropercutaneous nephrolithotripsy (microperc) for treating small renal calculi.
  • To assess the efficacy and safety of the microperc technique.

Main Methods:

  • Retrospective evaluation of 20 patients undergoing microperc for small renal calculi (February-June 2013).
  • Utilized a 4.8 Fr 'all-seeing needle' for percutaneous access under fluoroscopy.
  • Employed Holmium: YAG laser with a 272 µm fiber for stone fragmentation.

Main Results:

  • Achieved a 90% stone-free rate (18/20 patients).
  • Mean operative time was 107.5 minutes; mean fluoroscopy time was 45 seconds.
  • Mean hemoglobin drop was 1.2 g/dL; one patient required transfusion. Average hospitalization was 1.4 days.

Conclusions:

  • Microperc demonstrates a high stone-free rate for small renal stones.
  • The procedure is associated with minimal complications and short hospital stays.
  • Microperc is a viable treatment option for small renal calculi.