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A case of successful percutaneous coronary intervention for chronic total occlusion using the reversed guidewire
Seiko Ide1, Satoru Sumitsuji, Hideaki Kaneda
1Department of Advanced Cardiovascular Therapeutics, Osaka University Graduate School of Medicine, 2-2, Yamadaoka, Suita-city, Osaka, 565-0871, Japan. seiko919@act.med.osaka-u.ac.jp
Insights
A novel reversed guidewire technique offers a solution for challenging chronic total occlusions when standard methods fail. This approach successfully navigated an occlusion by utilizing a side branch, demonstrating its potential in interventional cardiology.
Area of Science:
- Interventional Cardiology
- Cardiovascular Interventions
- Medical Device Technology
Background:
- Chronic total coronary occlusion (CTO) poses significant challenges in percutaneous coronary intervention (PCI).
- Failure to advance a guidewire beyond the occlusion is a common limitation.
- Existing techniques may not be suitable for all CTO anatomies.
Observation:
- A case report details the application of a "reversed guidewire technique" for CTO PCI.
- This technique, initially developed for angulated bifurcations, was adapted for a CTO scenario.
- The guidewire was advanced into a distal side branch originating from the occlusion's end.
Findings:
- Successful guidewire crossing into a distal side branch was achieved using the reversed guidewire technique.
- This method provided an alternative pathway when direct advancement into the main vessel was not feasible.
- The case report elaborates on the procedural steps and outcomes.
Implications:
- The reversed guidewire technique presents a viable strategy for complex CTO PCI.
- It expands the interventional cardiologist's toolkit for treating CTOs.
- Further studies are warranted to explore the technique's broader applicability and limitations.
Abstract:
Percutaneous coronary intervention for chronic total occlusion remains a challenging field for interventional cardiologists because of inability to advance a wire beyond the occlusion. In case that the wire is not crossed to the distal main vessel but a side branch originated from distal end of the occlusion, we applied "reversed guidewire technique" which was initially proposed as a technique for extremely angulated bifurcations with utilizing hairpin shaped wire. In this case report, we describe application of this technique for chronic total occlusion in detail with potential limitations.