Updates in Clinical Data for Chronic Total Occlusion Percutaneous Coronary Intervention
Alexander E Sullivan1, Noah N Williford2, Emmanouil S Brilakis3
1Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
Interventional Cardiology Clinics
|November 23, 2025
Summary
Advancements in chronic total occlusion (CTO) percutaneous coronary intervention (PCI) have improved success rates and reduced complications. New data show CTO PCI also enhances left ventricular function and reduces ischemia burden.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Chronic total occlusion (CTO) percutaneous coronary intervention (PCI) techniques and equipment have significantly evolved over the last 20 years.
- These advancements have led to improved procedural outcomes, including higher success rates, reduced procedure times, and decreased radiation and contrast agent usage.
Purpose of the Study:
- To explore recent advancements in CTO PCI.
- To discuss the expanded benefits of CTO PCI beyond symptom relief, including improvements in cardiac function and myocardial ischemia.
Main Methods:
- Review of recent data and literature on CTO PCI.
- Exploration of evolving techniques and equipment in interventional cardiology.
Main Results:
- CTO PCI success rates have increased.
- Procedure duration, radiation exposure, and contrast use have decreased.
- Benefits now include left ventricular function recovery and reduced ischemia burden.
Conclusions:
- Modern CTO PCI is safer and more effective.
- The therapeutic impact of CTO PCI extends to significant cardiac function and ischemia improvements.
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