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Percutaneous endopyelotomy.

N O Bernardo1, A D Smith

  • 1Department of Urology, Long Island Jewish Medical Center, Long Island Campus of Albert Einstein College of Medicine, New Hyde Park, New York 11040, USA.

Urology
|August 5, 2000
PubMed
Summary
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Antegrade endopyelotomy offers a safe and effective treatment for ureteropelvic junction (UPJ) obstruction. This minimally invasive procedure utilizes various incision techniques for successful patient outcomes.

Area of Science:

  • Urology
  • Minimally Invasive Surgery

Background:

  • Antegrade endopyelotomy has demonstrated a strong safety and success record globally over the past decade.
  • This technique addresses ureteropelvic junction (UPJ) obstruction, a common cause of kidney dysfunction.

Purpose of the Study:

  • To describe the established antegrade endopyelotomy procedure.
  • To present novel alternatives for creating the necessary incision during the procedure.

Main Methods:

  • The procedure involves a percutaneous nephrostomy incision, through which an endopyelotome is inserted under direct vision.
  • Incision of the UPJ obstruction is performed posterolaterally using a cold knife or nephroscopic scissors.
  • Alternative methods include using a holmium laser with a fiber introduced through a stent-pusher.

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Main Results:

  • Direct visualization ensures precise control over incision depth and extent.
  • Various incision techniques, including cold knife, scissors, and laser, are effective.
  • Post-procedure stenting is performed using specialized endopyelotomy or endoureterotomy stents.

Conclusions:

  • Percutaneous antegrade endopyelotomy is a safe and effective treatment for UPJ obstruction.
  • The choice of incision method does not significantly impact treatment efficacy.
  • This approach is suitable for the majority of patients with UPJ obstruction.