Percutaneous Mechanical Atherothrombectomy Using the Rotarex Device in Acute Ischemic Disease of Lower Limbs: A China Retrospective Multicenter Study on 186 Patients

医学 再狭窄 经皮 外科 血栓形成 血运重建 溶栓 血管造影 栓塞 狭窄 放射科 支架 血管成形术 内科学 心肌梗塞
作者
Liguo Liu,Zhao Jian,Jiaxue Bi,Xiangchen Dai,Xiujun Zhang,He Ju,Hailun Fan
出处
期刊:Annals of Vascular Surgery [Elsevier]
卷期号:85: 146-155 被引量:1
标识
DOI:10.1016/j.avsg.2022.02.026
摘要

To evaluate the efficacy and safety of the Rotarex mechanical thrombectomy device in treating acute lower extremity arterial ischemia and to explore the appropriate indication of the Rotarex device.A retrospective analysis was performed in 186 patients with acute lower extremity arterial ischemia treated with the Rotarex mechanical thrombectomy device from April 2015 to March 2020 in three vascular surgery centers of Tianjin. As per the comprehensive judgment of the etiology, onset time, imaging of ultrasonography (US) and angiography, and findings during treatment, the patients were divided into the embolization group (69 cases), thrombosis group (primary artery stenosis with thrombosis; 86 cases), and restenosis group (stent restenosis with thrombosis; 31 cases). The primary study outcomes included the success rate of Rotarex mechanical thrombectomy device alone, percutaneous transluminal angioplasty (PTA), stent, catheter-directed thrombolysis (CDT) auxiliary rate, target vessel patency rate, and freedom from clinically driven target lesion revascularization rate (f-CD-TLR). The secondary study outcomes included intraoperative distal arterial embolization, postoperative 30-day bleeding, and deterioration of renal function, amputation, and mortality.The success rate of Rotarex mechanical thrombectomy device alone in the embolization group (44.93%) was significantly higher than that in the thrombosis group (13.95%) and restenosis group (0%) (P < 0.01). The PTA auxiliary rate in the embolization group (26.09%) was significantly lower than that in the thrombosis group (72.09%) and restenosis group (100%) (P < 0.01). The stent implantation rates in the embolization group and restenosis group (11.60% and 33.30%, respectively) were significantly lower than that in the thrombosis group (72.09%) (P < 0.01). There were no significant differences in the CDT auxiliary rate, distal arterial embolization, hemorrhage, renal function deterioration, amputation rate, and mortality among the three groups (P > 0.05). The primary patency at 3 months, 6 months, and 12 months postoperatively was 98.6%, 98.6%, and 84.3% in the embolization group, 96.4%, 89.5%, and 74.9% in the thrombosis group, and 93.2%, 84.7%, and 67.5% in the restenosis group, respectively (P < 0.01). The f-CD-TLR at 12 months postoperatively was 88.9% in the embolization group, which was higher than 77.8% in the thrombosis group and 67.5% in the restenosis group (P < 0.01).The Rotarex mechanical thrombectomy device is a minimally invasive, safe, and effective treatment option for acute lower extremity arterial ischemia, particularly acute arterial embolization. For acute thrombosis secondary to primary artery stenosis and in-stent restenosis, Rotarex device can effectively reduce the thrombus burden and create favorable conditions for other concurrent interventions.
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