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Drug-Eluting Stents in Challenging Lesions: Randomized Trials and Registries
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Definition of challenging lesion Any lesion with features associated with a higher risk of procedural failure or peri-procedural adverse events
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Iakovou et al, JACC 2004
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Steigen et al, Circulation 2006
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Di Mario et al, CCI 2006
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Pasceri et al, AHJ 2005
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Suttorp et al, Circ 2006
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Werner et al, CCI 2005
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Vermeersch et al, JACC 2007
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Ardissino et al, JAMA 2004
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Stone et al, JAMA 2005
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Dawkins et al, Circulation 2005
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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Spaulding et al, NEJM 2007
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TAXUS diabetics meta-analysis (N=715) Baim, FDA Panel 2006 BMS PES
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Outline Definition of challenging lesion Aorto-ostial lesions Bifurcation lesions Unprotected left main Thrombotic lesions Total occlusions Safenous vein grafts Long lesions and small vessels Diabetics TRUE Study
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TRUE Taxus™ Multicenter Registry European ( Taxus in Real-life Usage Evaluation) ( Taxus in Real-life Usage Evaluation)
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DELIVER II TAXUS II ASPECT Mean lesion length (mm) FUTURE II E-SIRIUS SIRIUS TAXUS IV DELIVER I C-SIRIUS FUTURE I 810121416182022 Lesion Complexity (% C Type) RAVEL ELUTES 0% 60% 50% 40% 30% 20% 10% ACTION TAXUS I ENDEAVOR I Complex Lesions Long Lesions TAXUS VI The complexity of lesions in TRUE 70% TRUE
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Patient distribution (n=1065) by intentional treatment Diabetes n=322 (30%) Unprotected Left Main n=115 (11%) Bifurcations Trifurcations n=229 (22%) Long lesions n=289 (27%) CTO n=191 (18%) Small vessels n=430 (40%)
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Incidence % Overall 7-month follow-up (N=1065)
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Incidence % Overall 12-month follow-up (N=1065)
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Incidence % Overall ARC-probable stent thrombosis (n=1065)
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Kaplan-Meier curve for event-free survival,9,8,7,6,5 Time (months) 12 10 8 6 4 2 0 Survival free from MACE 1,0
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Kaplan-Meier curve for stent thrombosis- free survival Time (months) 12 10 8 6 4 2 0 Survival free from thrombosis-related events,9,8,7,6,5 1,0
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Incidence % Unprotected left main 7-month follow-up (N=115)
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N=25N=2 Incidence % N=24N=18 N=4N=2 Chronic total occlusions 7-month follow-up (N=191)
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Incidence % Diabetes mellitus 7-month follow-up (N=322)
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Take home messages
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DES usage in challenging lesions is associated with favorable early and mid- term results in most cases Notable exceptions may be safenous vein grafts and diabetic patients (the latter applies to sirolimus-eluting stents only) Lesion preparation and accurate choice of the most appropriate platform-drug combination for each individual lesion are also pivotal to maximize success and long- term efficacy
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For further slides on these topics please feel free to visit the metcardio.org website: http://www.metcardio.org/slides.html http://www.metcardio.org/slides.html
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