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"Tip-in" technique for retrograde chronic total occlusion revascularization.
Minh N Vo1, Amir Ravandi, Emmanouil S Brilakis
1Section of Cardiology, St. Boniface Hospital, University of Manitoba, Winnipeg, Canada. mvo@sbgh.mb.ca.
The Journal of Invasive Cardiology
|May 2, 2015
Summary
The "tip-in" technique enhances chronic total occlusion (CTO) percutaneous coronary intervention success by using an antegrade microcatheter to intubate a retrograde guidewire, overcoming retrograde delivery failures.
Area of Science:
- Interventional Cardiology
- Vascular Interventions
- Medical Device Technology
Background:
- Chronic total occlusion (CTO) percutaneous coronary intervention (PCI) success rates are improved by retrograde approaches.
- Standard retrograde techniques involve guidewire crossing and microcatheter externalization for device delivery.
Observation:
- Retrograde microcatheter or balloon delivery failure through the occlusive segment can lead to procedure failure.
- The "tip-in" technique is introduced as an alternative strategy.
Findings:
- The "tip-in" technique involves intubating the retrograde guidewire with an antegrade microcatheter.
- This method facilitates successful revascularization when standard retrograde externalization fails.
Implications:
- The "tip-in" technique offers a novel solution for challenging CTO PCI cases.
- This approach may expand treatment options and improve outcomes for patients with complex coronary artery disease.
