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The XIENCE V EXCEED Study

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Presentation on theme: "The XIENCE V EXCEED Study"— Presentation transcript:

1 The XIENCE V EXCEED Study
John A. McPherson, MD, FACC, FSCAI Vanderbilt Heart and Vascular Institute

2 DISCLOSURES John A. McPherson, MD Consultant Abbott Vascular

3 “1st-generation” DES Case
64 year-old male with unstable angina

4 “1st-generation” DES Case
JR4 guide Choice Floppy Wire Predil: 3.0 mm balloon Unable to advance DES Buddy wire not helpful Three BMS deployed

5 “1st-generation” DES Case
“Excellent angiographic result” Multiple BMS implanted Procedure time: 74 minutes Fluoro time: 16 minutes Contrast use: 215 mL

6 XIENCE V: a “Next-Generation” DES
Based on the MULTI-LINK VISION Cobalt Chromium stent MULTI-LINK ML DUET ML TRISTAR ML TETRA ML PENTA ML ZETA ML VISION MULTI-LINK 8* 8th Generation ML Stent

7 “Next-Generation” DES Use: US Market Share

8 XIENCE US Post-Marketing Program
EXCEED XIENCE V USA Acute performance Operator/Patient experience N = 2500 Short, long-term outcomes Clinical events N = 8000 Spectrum of Post-Marketing Evaluation

9 XIENCE V EXCEED: Study Objective & Design
Objective: Assess XIENCE V acute performance, deliverability, and resource utilization during routine commercial use Primary Endpoint: Overall physician-determined XIENCE performance and deliverability, assessed by a 13-item performance evaluation questionnaire Coprimary Endpoint: Procedural success, defined as final in-stent %DS of < 50% for all stented lesions and without cardiac death, MI, or TLR at the end of the index procedure

10 XIENCE V EXCEED: Study Objective & Design
Prospective, open-label registry 2483 patients from 83 US centers Eligibility: All patients receiving XIENCE DES No real exclusion criteria

11 Baseline Demographics
34% women 52% > 65 yrs

12 Clinical Presentation
ACS Angina

13 Diseased Vessels and Lesion Location
Patients (%) 1 Vessel 1482 (59.6%) 2 Vessels (24.1%) 3 Vessels (16.3%) Total Patients 2487 40.4% of patients had two or more diseased vessels

14 Treated Vessels and Lesion Location
Patients (%) 1 Vessel 2225 (89.4%) 2 Vessels (10.2%) 3 Vessels (0.4%) Total Patients 2488 10.6% of patients had two or more treated vessels

15 Target Lesions and Lesion Location
Patients (%) 1 Lesion 1839 (73.9%) 2 Lesions 521 (20.9%) 3 Lesions 128 (5.1%) Total Patients 2488 26.0% of patients had two or more target lesions

16 Complexity of Treated Lesions
AHA/ACC B2/C Lesions: 52.2%

17 Lesion Characteristics

18 Target Lesions (1.3 lesions/pt)
Total Lesion Length (mm)/Patient ± 15.5 < % ≥ % ≥ % ≥ % Total Lesion Length (mm)/Lesion ± 9.4 < % ≥ % ≥ % ≥ % 31.2% of all lesions > 20 mm

19 Lesion Treatment and Stent Usage
No. of Target Lesions Treated 1.3 ± 0.6 No. of Implanted Stents/Lesion 1.1 ± 0.4 ≥ 2 Stents % Total Stent Length/Lesion ± 11.0 No. of Implanted Stents/Patient 1.5 ± 0.80 ≥ 2 Stents % Total Stent Length/Patient ± 17.9 Direct Stenting % Post-Stent Dilatation % IVUS Use %

20 Stent Implantion Details
(3725 Stents in 2488 Patients)

21 Pre-dilatation Stratified by Stent Diameters

22 Pre-dilatation Stratified by Stent Length

23 Stent Usage Stent Diameter (mm) Stent Length (mm)

24 Maximum Stent Balloon Pressure
Mean = 13.6 ± 3.23 (atm) (Q1, Q3): (12.0, 16.0)

25 Low contrast use and fluoroscopy time
Resource Utilization Procedure Time (min) ± 36.1 Amount of Contrast (ml) ± 94.5 Fluoroscopy Time (min) ± No. of Guide Wires ± 0.7 No. of Guiding Catheters ± 0.6 No. of Pre-Dilatation Balloons 1.3 ± 0.6 No. of Post-Dilatation Balloons ± 0.8 Low contrast use and fluoroscopy time

26 Contrast Use and Fluoro Time in EXCEED Compared to 1st-Gen DES
26.4% Reduction 30.3% Reduction 14.4 ± 98.5 ± 11.8 10.6 ± 94.5 ± 11.6 *P values were derived from post hoc analysis comparing two data sources, were not adjusted for multiple comparisons, and are being used for descriptive purposes only.

27 Acute Performance and Deliverability
Excellent Acute Performance and Deliverability Agree % Strongly Agree % Moderately Agree % Agree % Disagree % Moderately Disagree 0.7% Strongly Disagree 0.1%

28 XIENCE V Performance Compared to 1st-Gen DES
Agree (%) Disagree (%) Excellent DELIVERABILITY of the Coronary Stent System (Track and Push) 97.7 2.3 Excellent FLEXIBILITY of Coronary Stent System 99.0 1.0 Excellent Ability to ACCESS and CROSS Lesion 97.5 2.5 Excellent Ability to PULL BACK the Undeployed System into Guide Catheter 98.7 1.3 Excellent Ability to RECROSS Lesion or Stent 98.3 1.7 Exceptional INFLATION/ DEFLATION Time XIENCE V Performance Agree (%) Disagree (%) Excellent BALLON WORKING LENGTH 99.0 1.0 Excellent System WITHDRAWAL from Stent Post-Deployment 97.8 2.2 Excellent System PULLBACK POST-DEPLOYMENT into Guide Catheter 97.9 2.1 Excellent GUIDE WIRE MOVEMENT 99.5 0.5 Excellent RADIOPACITY of the Deployed Stent 94.5 5.5 Excellent OVERALL PERFORMANCE and DELIVERABILITY 99.2 0.8

29 Procedural Success in Complex Cases
Procedure Success* % [95% Confidence Interval] [98.9%, 99.6%] Simpler Cases More Complex Cases Age ≤ 65 99.2% Age > 65 99.3% Lesions < 20 mm Lesions ≥ 20 mm 99.4% ACC A/B1 ACC B2/C Lesions Stents ≥ 2.75 mm Stents 2.5 mm Single Lesion Multiple Lesions 99.1% Single Stent Multiple Stents

30 Conclusions In this large, multi-center, real-world registry, XIENCE V demonstrated: Outstanding physician-determined acute performance and deliverability (99.2%) A high procedure success rate (99.3%) Despite the complexity of the EXCEED population, the “next-gen DES” elements (derived from a 13-item questionnaire) led to excellent overall MD satisfaction

31 Conclusions Despite the complexity of the EXCEED population,
Contrast volume was low Fluoroscopy times were short Patient safety and economic factors will place a greater emphasis on procedural resource utilization during DES implantation


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