Related Experiment Video
Updated: May 23, 2026

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
Novel devices and specialized techniques in recanalization of peripheral artery chronic total occlusions (CTOs)--a
Gang Zhu Liang1, Fu Xian Zhang
1Beijing Shijitan Hospital, Capital Medical University, PR China.
Insights
Recanalizing chronic total occlusions (CTOs) in peripheral arteries is difficult. Novel devices and techniques are improving success rates for percutaneous interventions to treat these challenging blockages.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Vascular Surgery
Background:
- Chronic total occlusions (CTOs) in peripheral arteries present significant challenges for clinicians.
- Standard percutaneous interventions often have low success rates for CTOs.
- Failure to cross occlusions or re-enter the true lumen limits treatment options.
Purpose of the Study:
- To review current devices and techniques for percutaneous intervention in peripheral artery CTOs.
- To summarize advancements improving revascularization success rates for CTOs.
Main Methods:
- Review of published data on novel devices for CTO intervention.
- Analysis of specialized techniques for percutaneous CTO recanalization.
Main Results:
- Emerging devices and techniques have significantly enhanced procedural success rates.
- Review covers current options for treating peripheral artery CTOs.
Conclusions:
- Percutaneous treatment of peripheral artery CTOs is evolving with new technologies.
- Improved techniques offer better outcomes for patients with CTOs.
Abstract:
Currently, recanalization of chronic total occlusions (CTOs) in peripheral arteries remains a challenging obstacle encountered by clinical practitioners. Percutaneous CTO interventions are associated with low rates of procedural success using standard guidewires and catheters. When guidewires cannot cross the occluded segment or fail to reenter the true lumen after subintimal crossing of the occlusion, successful recanalization may be unachievable. In the last few years, the emergence of novel devices and new techniques has dramatically improved the success rates of the revascularization for CTOs. This paper reviews the published data of current devices and specialized techniques of percutaneous intervention to relieve CTOs.
