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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Percutaneous nephrolithotomy--a versatile technique for both simple and complex renal stone.

T M S Hossain1, M Asaduzzaman, M N Uddin

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Percutaneous Nephrolithotomy (PCNL) is an effective treatment for kidney stones of all sizes. This study shows PCNL achieves a 95% stone-free rate with manageable complications, making it a safe option for various patient groups.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery

Background:

  • Percutaneous Nephrolithotomy (PCNL) is the primary treatment for renal calculi.
  • PCNL is increasingly used for smaller stones resistant to Extracorporeal Shock Wave Lithotripsy (ESWL).

Purpose of the Study:

  • To evaluate the institutional experience with PCNL over time.
  • To assess the efficacy and safety of PCNL for simple and complex renal stones.

Main Methods:

  • A retrospective study of 131 patients (142 renal units) undergoing PCNL between 2009 and 2012.
  • Patients were categorized by stone complexity (simple vs. complex staghorn calculi).
  • Outcomes assessed included stone-free rate, operative time, complications, and hospital stay.

Main Results:

  • An overall 95% stone-free rate was achieved after primary or auxiliary procedures.
  • Initial puncture techniques improved, with 14 patients requiring multi-tract, supra-12th rib access.
  • Complications occurred in 17 procedures and were managed effectively.

Conclusions:

  • PCNL demonstrates high efficacy and safety for treating both simple and complex renal stones across all age groups.
  • The procedure is versatile, effective, and cosmetically acceptable.
  • Continuous refinement of techniques enhances PCNL outcomes.