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Related Experiment Videos

Comparison between first-generation (fixed-caliber) and second-generation (self-expanding, large caliber) temporary

D Yachia1, I A Aridogan

  • 1Department of Urology, Hillel Yaffe Medical Center, Hadera, Israel.

Urologia Internationalis
|January 1, 1996
PubMed
Summary

The second-generation ProstaCoil intraprostatic stent shows superior performance over the first-generation Prostakath, with better positioning, no migration, and longer indwelling times for treating prostatic obstruction.

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Area of Science:

  • Urology
  • Medical Devices
  • Surgical Technology

Background:

  • Prostatic obstruction affects a significant number of aging men.
  • Intraprostatic stents offer a minimally invasive treatment option.
  • Advancements in stent design aim to improve patient outcomes and reduce complications.

Purpose of the Study:

  • To compare the efficacy and safety of a first-generation intraprostatic stent (Prostakath) with a second-generation stent (ProstaCoil).
  • To evaluate parameters including ease of insertion, migration, infection, encrustation, and indwelling time.

Main Methods:

  • A comparative study involving 117 patients with prostatic obstruction.
  • 49 patients received the gold-plated stainless-steel Prostakath under sonographic guidance.

Related Experiment Videos

  • 68 patients received the nitinol ProstaCoil under fluoroscopic guidance.

    • Main Results:

    • ProstaCoil demonstrated 100% immediate correct positioning versus 83% for Prostakath.
    • Prostakath experienced migration in 42% of cases requiring repositioning and 12% requiring removal; ProstaCoil had no migration.
    • ProstaCoil had a longer maximal indwelling time (36 months vs. 12 months) and less encrustation at 2 years (30% vs. 40%).

    Conclusions:

    • The second-generation ProstaCoil stent is more advantageous due to its superior positioning, lack of migration, and extended indwelling capability.
    • Its larger caliber facilitates catheterization and endoscopic procedures, enhancing its clinical utility.