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[Techniques for percutaneous access during percutaneous nephrolithotomy.]

Daniel Pérez-Fentes1

  • 1Unidad de Endourología y Litiasis. Servicio de Urología. Complejo Hospitalario Universitario de Santiago de Compostela. Santiago de Compostela. A Coruña. España.

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Summary
This summary is machine-generated.

Percutaneous nephrolithotomy (PCNL) access involves challenging tract creation. This review details methods for renal access puncture and tract dilation to improve PCNL outcomes.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery

Background:

  • Access creation is a critical and complex step in percutaneous nephrolithotomy (PCNL).
  • The difficulty in mastering this technique has limited the widespread adoption of PCNL.
  • Effective access is crucial for successful PCNL procedures.

Purpose of the Study:

  • To review and present the primary methods for guiding renal access puncture in PCNL.
  • To discuss various techniques for percutaneous tract dilatation.
  • To provide technical insights for optimizing PCNL results through improved access.

Main Methods:

  • Review of puncture guidance techniques including ultrasound, fluoroscopy, CT, MRI, and emerging technologies.
  • Analysis of tract dilation methods such as metallic dilators and high-pressure balloons.
  • Discussion of the advantages and limitations of each access method.

Main Results:

  • Multiple imaging modalities and technologies can guide PCNL puncture.
  • Various dilators and balloons exist for tract creation, with no single ideal method.
  • Urologist expertise and understanding of technique limitations are key to successful access.

Conclusions:

  • Mastery of renal access puncture and tract dilatation is essential for urologists performing PCNL.
  • The choice of guidance and dilation method depends on endourologist experience and specific clinical scenarios.
  • Further refinement of these techniques can enhance PCNL efficacy and accessibility.