杨帆,罗建方

• 1:南方医科大学
• 2:广东省人民医院 广东省医学科学院
• 3:广东省人民医院心内科
• 4:广东省医学科学院

摘要(Abstract)：

<正>急性主动脉夹层是一种常见的致死性主动脉疾病。经胸主动脉腔内修复术(TEVAR)已广泛应用于治疗B型主动脉夹层。该项术式的原理是覆膜支架封闭原发破口从而增加真腔血流灌注量。Szeto等[1]研究资料显示,应用TEVAR治疗B型复杂型夹层,其患者30 d死亡率(2.8%)低于开胸手术。但是,目前在慢性复杂型B型主动脉夹层患者中应用覆膜支架的适应证仍存在争议。Ito等[2]认为,使用裸金属支架可促进支架段假腔血栓化进程。Tsai等[3]研究提示,假腔完全血栓化的患者预后较假腔部分血栓化的患者好,即完全封闭假腔能够改善夹层患者的预后。所以,在夹层患者中联合使用近端覆膜支架及远端裸金属支架可促进真腔扩大及假腔血栓化[4],减少动脉瘤样改变及破裂从而降低再次手术的发生率。

关键词(KeyWords)： 覆膜支架;裸金属支架;B型主动脉夹层

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杨帆,罗建方

参考文献(References)：

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