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Related Experiment Videos

[The ureteral stent: is it useful?].

Y Taki, T Hayashi, M Hiura

    Hinyokika Kiyo. Acta Urologica Japonica
    |December 1, 1985
    PubMed
    Summary

    Double-J ureteral stents are often ineffective for irradiated patients with ureteral obstruction or fistulas, frequently failing due to tissue obstruction and requiring further intervention.

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    Area of Science:

    • Urology
    • Nephrology
    • Oncologic Surgery

    Context:

    • Management of ureteral complications in irradiated patients.
    • Evaluation of internal ureteral diversion techniques.

    Purpose:

    • To assess the efficacy and safety of Double-J ureteral stents in patients with ureteral obstruction or ureterocutaneous fistula following radiation therapy.

    Summary:

    • Double-J (double-pigtail) ureteral stents were used in 7 irradiated patients (6 ureteral obstruction, 1 ureterocutaneous fistula).
    • Stent failure occurred in 5 cases (80%), primarily due to obstruction by necrotic tissue, necessitating percutaneous nephrostomy in 3 cases.
    • Only 1 stent functioned effectively, with another showing equivocal results, suggesting limited utility.

    Impact:

    • Highlights the significant risk of stent failure and complications in this patient population.
    • Suggests that Double-J ureteral stents are generally unsafe and ineffective for long-term internal diversion in irradiated patients.
    • Indicates a need for alternative management strategies for ureteral complications post-radiation.

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