Chronic Total Occlusion Percutaneous Coronary Intervention: Present and Future

Area of Science:

• Interventional Cardiology
• Cardiovascular Medicine

Background:

• Chronic total occlusion percutaneous coronary intervention (CTO PCI) has become a distinct subspecialty.
• Current success rates for CTO PCI range from 85% to 90% with major complications around 2% to 3%.

Purpose of the Study:

• To review the evolution and current status of CTO PCI.
• To highlight recent advancements and their potential impact on outcomes.
• To emphasize the continued importance of fundamental principles in CTO PCI.

Main Methods:

• Review of antegrade and retrograde techniques in CTO PCI.
• Discussion of emerging technologies including new equipment, imaging modalities, and artificial intelligence.
• Emphasis on collaborative efforts and knowledge dissemination in the field.

Main Results:

• Experienced operators achieve high success rates (85-90%) and low complication rates (2-3%) in CTO PCI.
• Innovations in microcatheters, guidewires, reentry devices, CT angiography, intravascular imaging, and AI show promise for further improvement.
• Global collaboration accelerates the adoption of new techniques.

Conclusions:

• CTO PCI is a rapidly advancing field with significant improvements in outcomes.
• Continued innovation in equipment, imaging, and techniques, alongside AI, is expected to further enhance success rates.
• Adherence to core principles of CTO PCI, including risk-benefit assessment and meticulous technique, is essential for optimal patient results.