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Related Experiment Video

Updated: Oct 25, 2025

Laparoscopic-Assisted Seldinger Technique for Peritoneal Dialysis Catheter Insertion
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Percutaneous nephrolithotomy - the puncture.

Peter Alken1

  • 1Department of Urology, Klinik für Urologie und Urochirurgie, Universitätsmedizin Mannheim, Mannheim, Germany.

BJU International
|August 8, 2021
PubMed
Summary
This summary is machine-generated.

The importance of puncture in percutaneous nephrolithotomy (PNL) is subjectively high but objectively low in current literature. Puncture techniques and their impact on PNL outcomes require further study and standardization.

Keywords:
#EndoUrology#KidneyStones#UroStoneEndourologyfluoroscopykidney stonesneedle bendingnephrostomypercutaneous nephrolithotomypuncturerenal accessultrasonographyurolithiasis

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Area of Science:

  • Urology
  • Surgical Technology

Background:

  • Percutaneous nephrolithotomy (PNL) is a key procedure for kidney stone removal.
  • The initial puncture is often considered critical for PNL success.

Purpose of the Study:

  • To evaluate the perceived and actual importance of puncture techniques in PNL.
  • To assess the role of assistive technologies in PNL.

Main Methods:

  • A comprehensive literature search of PubMed was conducted for publications from January 2016 to February 2021.
  • 121 selected publications were reviewed, forming the basis of this narrative review.

Main Results:

  • The puncture's influence on PNL failure and complications is low (single-digit percentages).
  • There's a lack of standardized definitions and measurements for puncture quality.
  • Ultrasonography is increasingly preferred over fluoroscopy for PNL monitoring.

Conclusions:

  • The perceived importance of puncture in PNL outweighs its objectively demonstrated impact in current literature.
  • Fundamental aspects of puncture techniques are not fully understood within urology.
  • Advancements in puncture techniques are more prominent in non-urological disciplines.