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Updated: Jul 6, 2026

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
14:05

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

Published on: December 20, 2014

Laparoscopy-assisted ureter interposition by ileum.

Octavio A Castillo1, Rafael Sanchez-Salas, Gonzalo Vitagliano

  • 1Section of Endourology and Laparoscopic Urology, Clínica Santa María, Santiago, Chile. octaviocastillo@vtr.net

Journal of Endourology
|March 14, 2008
PubMed
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Laparoscopic ileal ureter substitution is a safe and effective alternative for extensive ureteral stenosis. Extracorporeal management of the ileal segment offers reduced operative time and morbidity.

Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Reconstructive Urology

Background:

  • Extensive ureteral stenosis poses significant management challenges.
  • Traditional open surgery for ureteral substitution can involve substantial morbidity.
  • Laparoscopic techniques offer potential advantages in urologic reconstruction.

Observation:

  • Two patients with extensive ureteral stenosis underwent laparoscopic ileal ureter substitution.
  • A three-port technique with extracorporeal ileal segment management was employed.
  • Intracorporeal anastomosis (pyeloileal or ileoureteral) was performed.

Findings:

  • The laparoscopic approach resulted in no complications and minimal blood loss.
  • Mean operative time was 195 minutes.

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Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

Published on: November 22, 2019

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Last Updated: Jul 6, 2026

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
14:05

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

Published on: December 20, 2014

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
06:39

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

Published on: November 22, 2019

  • Both patients experienced excellent outcomes with no symptoms at a median follow-up of 18.5 months.
  • Renal function was preserved, and no significant biochemical changes were observed.

    • Implications:

    • Laparoscopic ileal ureter substitution is a viable and safe alternative to open surgery.
    • Extracorporeal management of the ileal segment may reduce operative time and patient morbidity.
    • This minimally invasive approach shows promise for managing complex ureteral strictures.