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Related Experiment Videos

Experimental study with the Scurasil ureteral prosthesis.

S Fitzig, J J Handler, P D Zimskind

    Investigative Urology
    |November 1, 1977
    PubMed
    Summary
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    The new Scurasil ureteral prosthesis showed minimal reaction in dogs but had a high complication rate, including stone formation and kidney damage. Design modifications are needed before human use.

    Area of Science:

    • Urology
    • Biomaterials Science
    • Veterinary Medicine

    Background:

    • Internal urinary diversion is crucial for patients with metastatic disease.
    • Ureteral prostheses aim to maintain urine flow and prevent obstruction.
    • The latest Scurasil (dimethylpolysoxane) generation was evaluated for this purpose.

    Purpose of the Study:

    • To assess the efficacy and safety of the new Scurasil ureteral prosthesis in a canine model.
    • To evaluate its potential for internal urinary diversion in cancer patients.

    Main Methods:

    • Six dogs were used as a preclinical model.
    • The Scurasil ureteral prosthesis was implanted for internal urinary diversion.
    • Complication rates and tissue reactions were monitored.

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    Main Results:

    • The prosthesis elicited a minimal tissue reaction.
    • A high complication rate was observed, including stone formation, end-stage pyelonephritis, and hydronephrosis.
    • Technical implantation was straightforward.

    Conclusions:

    • While Scurasil prostheses are easy to use, significant design flaws lead to high complication rates.
    • Further modifications are essential to ensure safety and efficacy for human clinical application.
    • This study highlights the need for improved ureteral prosthesis design in managing urinary diversion.