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Why and How Should We Treat Chronic Total Occlusion? Evolution of State-of-the-Art Methods and Future Directions

Luiz F Ybarra1, Stéphane Rinfret2

  • 1London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada.

The Canadian Journal of Cardiology
|October 19, 2020
PubMed

Insights

Chronic total occlusions (CTOs) are complex coronary lesions. New techniques and technologies improve procedural success, safety, and outcomes for patients undergoing revascularization.

Area of Science:

  • Interventional Cardiology
  • Cardiovascular Disease

Background:

  • Chronic total occlusions (CTOs) represent the most complex coronary lesions.
  • CTOs often indicate advanced atherosclerosis with challenging features like calcification and bifurcations.
  • These lesions are associated with severe ischemia and complex patient profiles, increasing procedural risks.

Purpose of the Study:

  • To provide an overview of advanced techniques and technologies for managing CTOs.
  • To equip general cardiologists with knowledge for patient counseling regarding CTO revascularization.

Main Methods:

  • Review of current literature on CTO interventions.
  • Discussion of novel techniques and dedicated devices for CTO wiring and lesion crossing.
  • Analysis of factors influencing procedural success and safety.

Main Results:

  • Advanced techniques and dedicated technologies have significantly improved CTO revascularization outcomes.
  • These advances enhance procedural success rates and patient safety.
  • Appropriate patient selection is crucial for optimal results.

Conclusions:

  • New interventional cardiology techniques and technologies have transformed CTO management.
  • These advancements offer improved safety and efficacy for complex coronary lesion revascularization.
  • Cardiologists can now better counsel patients on the benefits and risks of CTO treatment.

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