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Chronic total coronary occlusion recanalization: Current techniques and new devices
Jan-Erik Gülker1, Lars Bansemir1, Heinrich G Klues1
1Heart Centre Niederrhein, Department of Cardiology, HELIOS Clinics Krefeld, Krefeld, aGermany; Institute for Heart and Circulation Research, University of Cologne, Kerpener Straße 62 50937, Cologne, aGermany.
Journal of the Saudi Heart Association
|April 5, 2017
Summary
Percutaneous coronary intervention (PCI) for chronic total coronary occlusion (CTO) is challenging but advancing. New techniques and tools improve success rates, offering benefits like angina relief and better heart function.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Chronic total coronary occlusion (CTO) affects up to 30% of patients undergoing coronary angiography.
- Despite advancements, CTO recanalization remains technically demanding, with fewer than 10% of cases attempted.
- Successful CTO recanalization offers significant clinical benefits, including symptom relief and improved cardiac function.
Purpose of the Study:
- To review and describe the latest developments in CTO recanalization strategies.
- To highlight advancements in interventional techniques and tools for CTO PCI.
Main Methods:
- Review of recent literature on CTO PCI techniques and technologies.
- Emphasis on the impact of new interventional tools and retrograde techniques.
- Inclusion of imaging modalities like intravascular ultrasound (IVUS) and multislice computed tomography (MSCT).
Main Results:
- Success rates for CTO PCI have improved significantly, reaching approximately 90% in experienced centers.
- The introduction of the retrograde technique has been a major advancement.
- New microcatheters, specialized wires, and advanced imaging improve lesion crossing and success.
Conclusions:
- CTO PCI procedures are evolving rapidly with improved success rates.
- Advanced techniques and tools are crucial for successful CTO recanalization.
- CTO PCI should be considered standard therapy in invasive cardiac centers.