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Related Experiment Videos

An introduction to provisional stenting.

Carlo Di Mario1, Nico HJ Pijls

  • 1IRCCS Ospedale 'San Raffaele', Milan, Italy.

International Journal of Cardiovascular Interventions
|May 31, 2002
PubMed
Summary
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Provisional stenting is for cases where balloon angioplasty fails to ensure optimal vessel patency. Physiological guidance improves outcomes, especially for complex lesions, guiding optimal stent use.

Area of Science:

  • Interventional Cardiology
  • Vascular Medicine
  • Medical Device Technology

Background:

  • Provisional stenting is indicated when optimal results are not achieved post-balloon angioplasty.
  • Visual assessment alone is insufficient to identify suboptimal outcomes after percutaneous transluminal coronary angioplasty (PTCA).
  • Long-term outcomes may be negatively impacted by unnecessary stent implantation in cases with already optimal results.

Purpose of the Study:

  • To define provisional stenting criteria.
  • To explore methods for discriminating between patients who benefit from stenting and those who do not.
  • To evaluate the role of physiological parameters and intravascular imaging in guiding stenting decisions.

Main Methods:

  • Review of existing studies (OPUS, FROST, DESTINI) on stenting strategies.

Related Experiment Videos

  • Analysis of visual assessment versus physiological parameters (Doppler, fractional flow reserve) in evaluating PTCA results.
  • Consideration of intravascular ultrasound (IVUS) for guiding dilatation.

    • Main Results:

    • Elective stenting showed better results in the OPUS study, indicating limitations of visual assessment.
    • Physiological parameters improved provisional stenting outcomes, particularly in complex lesions and multivessel treatments (FROST, DESTINI).
    • Intravascular ultrasound offers guidance for dilatation strategy, despite higher costs and time commitment.

    Conclusions:

    • Provisional stenting should be reserved for cases where aggressive angioplasty fails to achieve optimal patency.
    • Integrating physiological measurements enhances decision-making in provisional stenting.
    • Intravascular imaging provides valuable guidance for optimizing angioplasty and stenting procedures.