期刊
CATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS
卷 96, 期 1, 页码 121-127出版社
WILEY
DOI: 10.1002/ccd.28586
关键词
carotid artery disease; intervention; stent design; structure; coatings; stroke; surgery; coronary bypass; endarterectomy
资金
- W.L. Gore & Associates, Inc. (Flagstaff, AZ)
Objective The SCAFFOLD trial evaluated the GORE (R) Carotid Stent (GCS), a novel, mesh-covered device and evaluated outcomes at 1 year. Background SCAFFOLD was a prospective, multicenter, single-arm clinical trial in patients with severe carotid artery stenosis (angiographically defined as symptomatic >= 50% or asymptomatic >= 80%) at increased risk for adverse events from carotid endarterectomy. Interim 30-day analysis demonstrated low rates of death/stroke/myocardial infarction (DSMI; 3.0%) and stroke (1.1%) in a high surgical risk population. Methods The rate of DSMI within 30 days plus ipsilateral stroke between 31 days and 1 year (primary endpoint) was compared to a predetermined performance goal. Secondary outcomes of freedom from clinically driven target lesion revascularization (CD-TLR; diameter stenosis >= 80% by core lab angiography, or >= 50% with clinical symptoms) and restenosis (>= 80% diameter stenosis by core lab angiography) are reported as Kaplan-Meier (KM) estimates. Results Of the 312 patients enrolled and treated, 264 were eligible per protocol and evaluable for major adverse events at 30 days, and 244 (92%) of these were evaluable at 1 year. The proportion of patients with DSMI at 1 year was 4.5% and was significantly lower than the prespecified performance goal of 16.9% (p < .00001). The proportion with ipsilateral stroke from 31 to 365 days was 1.2%. The KM estimates of 1-year event probability were 1.6% for CD-TLR and 1.2% for restenosis. Conclusions Use of the mesh-covered GCS in the SCAFFOLD trial demonstrated 100% technical success and low rates of both periprocedural and late stroke, with durable patency at 1 year. Identifier: NCT01901874 (redacted).
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