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Related Experiment Videos

Upper pole access for complex lower pole renal calculi.

Monish Aron1, Rajiv Goel, Pawan K Kesarwani

  • 1Department of Urology, All India Institute of Medical Sciences, New Delhi, India. monisharon@hotmail.com

BJU International
|October 13, 2004
PubMed
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Superior calyceal puncture offers better access for complex lower pole kidney stones, leading to faster clearance and fewer procedures. This approach is more efficient for treating challenging kidney calculi.

Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Nephrolithiasis Management

Background:

  • Complex lower pole calyceal calculi present a significant challenge in urological stone treatment.
  • Optimal surgical access is crucial for effective stone clearance and minimizing complications.

Purpose of the Study:

  • To evaluate the efficacy of superior pole access compared to inferior pole access for treating complex lower pole calyceal calculi.
  • To compare stone-free rates, operative time, blood loss, and need for secondary procedures between the two access methods.

Main Methods:

  • A prospective, unrandomized study included 102 patients with complex lower pole calyceal calculi.
  • Patients were divided into two groups: inferior calyceal puncture (n=33) and superior calyceal puncture (n=69).

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  • Key outcomes including stone clearance, hemoglobin decrease, operative duration, and re-intervention rates were analyzed.

    • Main Results:

    • Superior calyceal puncture (group 2) demonstrated better stone clearance rates and lower blood loss, though not statistically significant.
    • Operative duration, number of tracts, and re-look procedure rates were significantly lower in the superior calyceal access group.
    • Two patients (3%) in the superior access group experienced hydrothorax requiring chest tube insertion.

    Conclusions:

    • Superior calyceal puncture provides optimal access for complex inferior calyceal stones.
    • This approach facilitates faster and more effective stone clearance with a single puncture.
    • It also reduces the need for secondary procedures compared to inferior calyceal access.