1. Stenting with or without Protection in High-Risk Patients with Moderate to High-Grade Carotid Stenosis Presented at ACC 2003 Late Breaking Clinical Trials ARCHER Trial

2. www. Clinical trial results.org ARCHER 437 high-risk patients with moderate to high- grade carotid stenosis  >50% stenosis in symptomatic patients  >80% stenosis in asymptomatic patients  >1 co-morbid condition: >2 vessels with > 70% stenosis; MI within 30 days; unstable angina; EF III; COPD; dialysis for chronic renal failure; uncontrolled diabetes; restenotic lesion after CEA 437 high-risk patients with moderate to high- grade carotid stenosis  >50% stenosis in symptomatic patients  >80% stenosis in asymptomatic patients  >1 co-morbid condition: >2 vessels with > 70% stenosis; MI within 30 days; unstable angina; EF III; COPD; dialysis for chronic renal failure; uncontrolled diabetes; restenotic lesion after CEA Treatment Group A ACCULINK™ Carotid Stent System + ACCUNET™ Embolic Protection System (n = 278) Treatment Group A ACCULINK™ Carotid Stent System + ACCUNET™ Embolic Protection System (n = 278) Treatment Group B ACCULINK™ Carotid Stent System without protection (n = 159) Treatment Group B ACCULINK™ Carotid Stent System without protection (n = 159) Endpoints:  Primary – 30 day Death, Stroke or MI Endpoints:  Primary – 30 day Death, Stroke or MI ACC 2003 Late Breaking Trials

3. www. Clinical trial results.org Death/ MI/ Stroke Death/ MI/ Stroke : 30 Day Event Rates ARCHER : 30 Day Event Rates ACC 2003 Late Breaking Trials Stroke Death MI