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Related Experiment Videos

Laparoscopic ureterocalicostomy: a feasibility study.

Edward E Cherullo1, Inderbir S Gill, Lee E Ponsky

  • 1Section of Laparoscopic and Minimally Invasive Surgery, Glickman Urological Institute and Minimally Invasive Surgery Center, Cleveland Clinic Foundation, Cleveland, Ohio, USA.

The Journal of Urology
|May 29, 2003
PubMed
Summary
This summary is machine-generated.

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Laparoscopic ureterocalicostomy is a feasible technique for treating difficult ureteropelvic junction obstruction. This study demonstrates successful reconstruction in a porcine model, showing effective healing and function.

Area of Science:

  • Minimally Invasive Surgery
  • Urology
  • Surgical Innovation

Background:

  • Recurrent ureteropelvic junction obstruction often requires complex reconstruction.
  • Postoperative fibrosis and inaccessible renal pelvis pose surgical challenges.
  • Ureterocalicostomy is an option for challenging cases.

Purpose of the Study:

  • To evaluate the feasibility of laparoscopic ureterocalicostomy.
  • To assess anatomical, histological, and functional outcomes in a survival porcine model.
  • To determine if laparoscopic techniques can replicate open surgery principles for ureteropelvic junction obstruction.

Main Methods:

  • Laparoscopic ureterocalicostomy was performed in 10 female swine.
  • A ureteropelvic junction obstruction model was created via laparoscopic ligation.

Related Experiment Videos

  • Anastomosis was achieved using freehand suturing and knot-tying techniques.

    • Main Results:

    • Mean operative time was 165.3 minutes with moderate blood loss.
    • All renal units showed immediate, unobstructed drainage post-procedure.
    • Histological examination confirmed complete urothelial healing without fibrosis at 4-8 weeks.

    Conclusions:

    • Laparoscopic ureterocalicostomy is technically feasible in a porcine model.
    • The technique effectively replicates open surgical principles.
    • This approach expands laparoscopic surgery applications for complex ureteropelvic junction obstruction.