Circ Cardiovasc Interv:使用自膨胀镍钛诺支架专用静脉支架可有效且安全的治疗有症状的髂股静脉阻塞——VIRTUS试验结果

2020-11-12 MedSci原创 MedSci原创

慢性静脉功能不全的特点是下肢静脉回流不畅,其原因可能是深静脉血栓形成后的静脉内梗阻,也可能是外在的静脉压迫。本研究旨在确定专用静脉内支架治疗症状性髂股静脉阻塞的安全性和有效性,研究结果已在线发表于Ci

慢性静脉功能不全的特点是下肢静脉回流不畅,其原因可能是深静脉血栓形成后的静脉内梗阻,也可能是外在的静脉压迫。本研究旨在确定专用静脉内支架治疗症状性髂股静脉阻塞的安全性和有效性,研究结果已在线发表于Circ Cardiovasc Interv。
VIRTUS试验(VIRTUS安全性和有效性的Veniti Vici静脉支架系统[Veniti,Inc]用于治疗髂股静脉段临床意义上的慢性非恶性梗阻时的安全性和有效性)是一项前瞻性的、国际性的、单臂的、关键性的研究。纳入有症状的髂股静脉梗阻患者,包括静脉造影检查阻塞率≥50%,且临床、病因学、解剖学、病理生理学临床分类≥3级,或至少有中度腿痛,静脉临床严重程度评分2分以上的患者。所有患者均采用开发的专用于静脉系统的自膨胀镍钛诺支架(Vici Venous Stent System,Veniti,Inc/Boston Scientific,Marlborough,MA)进行治疗。治疗1个月、6个月和1年后随访患者的临床和影像学结局。主要安全性结果是30天后无重大不良事件发生。主要有效性结果是1年后的静脉造影初通率。不良事件由临床事件委员会裁决,所有影像学检查包括静脉造影、血管内超声和多普勒检查由各自的核心实验室评估。
 
结果,2015年3月至2016年11月,22个部位的170名患者(127名慢性血栓后遗症患者,平均年龄54岁,56.4%为女性)接受了静脉内支架置入术。平均直径狭窄率为78%,总闭塞率为31.2%。平均病变长度为111.3mm,范围为10~260mm(血栓后患者平均125.3mm,非血栓患者70.2mm)。30天内无重大不良事件发生率为98.8%。全组的1年主要通畅率为84.0%。非血栓性和慢性血栓后组的静脉造影通畅率分别为96.2%和79.8%。12个月时,64%(85/132)的患者表现出静脉临床严重程度评分至少降低3分。
综上所述,该研究结果表明,使用专用静脉支架治疗有症状的髂股静脉阻塞,治疗后的12个月内安全性和有效性可以得到保证,1年的随访结果显示患者的临床症状减少,生活质量得到改善。
 
原始出处:
 
Mahmood K Razavi, Stephen Black , et al,. Pivotal Study of Endovenous Stent Placement for Symptomatic Iliofemoral Venous Obstruction.
Circ Cardiovasc Interv . 2019 Dec;12(12):e008268. doi: 10.1161/CIRCINTERVENTIONS.119.008268. Epub 2019 Dec 13.

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    2020-12-31 quxin068
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    2021-01-20 tomyang96
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    2021-05-26 fusion
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    2020-12-08 一叶,一菩提

    新人飘过

    0

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