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Related Experiment Videos

[Reopening chronic arterial occlusions].

C Vallbracht1, D Liermann, H Landgraf

  • 1Abt. für Kardiologie, Universität Frankfurt a. M.

Versicherungsmedizin
|October 1, 1992
PubMed
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Low speed rotational angioplasty (ROTACS) effectively treats chronic occlusions in peripheral and coronary arteries. This technique offers high success rates and comparable long-term results to conventional methods, with no reported deaths.

Area of Science:

  • Cardiovascular Interventions
  • Vascular Surgery
  • Interventional Cardiology

Background:

  • Chronic total occlusions (CTOs) pose significant challenges for percutaneous transluminal angioplasty in both peripheral and coronary vasculature.
  • Conventional angioplasty techniques often face limitations in successfully recanalizing these complex lesions.

Purpose of the Study:

  • To evaluate the efficacy and safety of low speed rotational angioplasty (ROTACS) for treating chronic total occlusions.
  • To compare the outcomes of ROTACS with conventional angioplasty methods in peripheral and coronary arteries.

Main Methods:

  • Retrospective analysis of over 300 peripheral and 200 coronary artery interventions using ROTACS.
  • ROTACS was employed as a primary treatment or after failure of conventional techniques.

Related Experiment Videos

  • Angiographic assessment of acute and long-term success rates, and monitoring for adverse events.

    • Main Results:

    • Acute success rates for ROTACS in peripheral occlusions exceeded 80% as a primary approach and over 60% after conventional failure.
    • In coronary occlusions, where ROTACS was used after prior conventional technique failure, acute success reached 70% following a learning curve.
    • No deaths were reported in either patient group (peripheral or coronary).
    • Long-term angiographic results for ROTACS were comparable to conventional balloon angioplasty.

    Conclusions:

    • Low speed rotational angioplasty (ROTACS) is a valuable tool for improving recanalization rates in chronic total occlusions of peripheral and coronary arteries.
    • ROTACS demonstrates a favorable safety profile and effective long-term outcomes, offering an alternative to conventional treatments.
    • The technique has expanded indications in peripheral vasculature, including iliac arteries, with ongoing investigation for other applications.