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Related Experiment Videos

Endostent: new device for ureteral strictures

K Korth1, M Kuenkel

  • 1Department of Urology, Loretto-Hospital Freiburg, Germany.

Journal of Endourology
|January 24, 1998
PubMed
Summary

The Korth Endostent shows promise for ureteral repair, offering better outcomes in specific cases and significantly reducing infection risk compared to conventional stents.

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Area of Science:

  • Urology
  • Medical Devices
  • Surgical Innovation

Background:

  • Ureteral strictures are a common complication following endopyelotomy.
  • Conventional stenting is the standard treatment, but outcomes can vary.
  • The Korth Endostent represents a novel approach to ureteral stenting.

Purpose of the Study:

  • To compare the efficacy of the Korth Endostent with conventional ureteral stents.
  • To evaluate outcomes in patients undergoing endopyelotomy.
  • To assess the impact on infection rates and specific patient subgroups.

Main Methods:

  • Retrospective comparison of Korth Endostent (n=71) versus conventional stents (n=183) in ureters post-endopyelotomy.
  • Analysis of good or excellent results, stenosis type, hydronephrosis degree, scar length, and infection incidence.
  • Evaluation of potential indications for permanent Endostent implantation.

Main Results:

  • Good/excellent results: 79% for Endostent vs. 73% for conventional stents.
  • Endostent showed improved outcomes in third-degree hydronephrosis and long scars.
  • Significantly lower infection (fever) risk with Endostent (7% vs. 44%).

Conclusions:

  • The Korth Endostent demonstrates superior or comparable efficacy to conventional stents in specific ureteral stricture cases.
  • A notable reduction in postoperative infection risk is associated with Endostent use.
  • The Endostent may be suitable for permanent implantation in complex ureterovesical strictures.

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