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Tryton Breakfast Symposium:Real World Applications
David G. Rizik, M.D., F.A.C.C., F.S.C.A.I.Chief Scientific Officer
Director of Structural & Coronary InterventionsHonorHealth and the Scottsdale-Lincoln
HealthNetworkHon
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Disclosure Statement
• Abbott Vascular: Medical Advisory Board, Research & Education Support.
• Boston Scientific: Executive Physician Council, Research & Education Support
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Open strut architecture
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Tryton Side Branch Stent
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Tryton Deployment Sequence1. Wire both vessels and pre-dilate SB 2. Position Tryton
3. Perform P.O.T. 4. Position DES and remove ‘jailed’ wire
5. Deploy DES and re-wire SB 6. Simultaneous Kissing Balloon
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Tryton Case
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Dedicated SB Stent: ? Value
• Value: Bringing the predictability & durability seen in straight lesions to bifurcation lesions
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Provisional (n= 143)
Tryton (n= 146)
Dedicated Stent: PredictabilityNear elimination of bailout stenting
Généreux et al. Catheter Cardiovasc Interv. 2015
Tryton IDE Trial Intended Population
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• Side Branch Size: Significant• Angle: Narrow and Wide• Step-up: Large and Small
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Which Lesion? Significant
• Significant– Appropriate for a 2.5 mm diameter stent– >2.25 mm by visual estimate
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Angle: Wide Angle: Narrow
Which Lesion? Angle
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SB-MB Step-up: Large SB-MB Step-up: Small
Which Lesion? SB-MB Step-up
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Conclusion
• When a dedicated SB Stent?Bifurcation lesions with important Side Branches
• Procedural Predictability• Long term Durability
