Analysis of the ROADSTER pivotal and extended-access cohorts shows excellent 1-year durability of transcarotid stenting with dynamic flow reversal

被引:71
作者
Males, Mahmoud B. [1 ]
Lorenzo, Jose Ignacio Leal [2 ]
Nejim, Besma [1 ]
Hanover, Todd M. [3 ]
Mehta, Manish [4 ]
Kashyap, Vikram [5 ]
Kwolek, Christopher J. [6 ]
Cambria, Richard [7 ]
机构
[1] Johns Hopkins Univ, Vasc & Endovasc Res Ctr, Baltimore, MD USA
[2] Complejo Hosp Toledo, Vasc Surg Sect, Toledo, Spain
[3] Greenville Hosp Syst, Acad Dept Surg, Greenville, SC USA
[4] Inst Vasc Hlth & Dis, Albany Vasc Grp, Albany, CA USA
[5] Univ Hosp Case Med Ctr, Harrington Heart & Vasc Inst, Vasc Ctr, Cleveland, OH USA
[6] Massachusetts Gen Hosp, Div Vasc & Endovasc Surg, Boston, MA 02114 USA
[7] St Elizabeth Hosp, Div Vasc & Endovasc Surg, Boston, MA USA
关键词
Carotid artery stenting; Transcarotid neuroprotection; Dynamic flow reversal; Clinical trial; ROADSTER; CAROTID-ARTERY REVASCULARIZATION; HIGH-RISK CRITERIA; CEREBRAL PROTECTION; ENDARTERECTOMY; ANGIOPLASTY; STROKE; MEDICARE; OUTCOMES; TRIAL; AGE;
D O I
10.1016/j.jvs.2018.08.179
中图分类号
R61 [外科手术学];
学科分类号
摘要
Objective: We report the 1-year outcomes of the Safety and Efficacy Study for Reverse Flow Used During Carotid Artery Stenting Procedure (ROADSTER) multicenter trial. This trial introduced a novel transcarotid neuroprotection system (NPS), the ENROUTE transcarotid NPS (Silk Road Medical Inc, Sunnyvale, Calif). Postoperative results demonstrated that the use of the ENROUTE transcarotid NPS is safe and effective. The aim of this study was to evaluate the safety of transcarotid artery revascularization (TCAR) and to present the 1-year outcomes. Methods: This study is a prospective, single-arm clinical trial. Current enrollment occurs in 14 centers. Primary end points were incidence rates of ipsilateral stroke at 1 year after TCAR. Occurrence of stroke was ascertained by an independent Clinical Events Committee. Patients with anatomic or medical high-risk factors for carotid endarterectomy (CEA) were eligible to be enrolled in the ROADSTER trial. Results: Overall, 165 patients were included in the long-term follow-up (112 of 141 patients from the pivotal phase and 53 of 78 patients from the extended access). Mean age was 73.9 years (range, 42.1-91.3 years). Patients aged 75 years and older were 43.3% of the cohort. The majority of patients were white (92.7%) and male (75.2%). Most patients were asymptomatic (79.9%). Anatomic risk factors were distributed as follows: contralateral carotid artery occlusion (11.0%), tandem stenosis of >70% (1.8%), high cervical carotid artery stenosis (25.0%), restenosis after CEA (25.6%), bilateral stenosis requiring treatment (4.3%), and hostile neck (14.6%). Medical high-risk criteria included two-vessel coronary artery disease (14.0%) and severe left ventricular dysfunction with ejection fraction <30% (1.8%). In general, 43.3% of patients had at least one anatomic high-risk factor, whereas 29.9% of patients had medical high-risk factors. Both subsets of factors were present simultaneously in 26.8% of the cohort. At 1-year follow-up, ipsilateral stroke incidence rate was 0.6%, and seven patients (4.2%) died. None of the deaths were neurologic in origin. Conclusions: TCAR with dynamic flow reversal had previously shown favorable 30-day perioperative outcomes. This excellent performance seems to extend to 1 year after TCAR as illustrated in this analysis. The promising results from the ROADSTER trial likely stem from the novel cerebral protection provided through the ENROUTE transcarotid NPS in comparison to distal embolic protection devices as well as the transcarotid approach's circumventing diseased aortic arch manipulation and minimizing embolization. TCAR offers a safe and durable revascularization option for patients who are deemed to be at high risk for CEA.
引用
收藏
页码:1786 / 1795
页数:10
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