Neointimal dissection - a rare complication to endovascular treatment in grafts and stent grafts.

IF 1.2 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS
Anne Sofie F Larsen, Shakil Aslam, Lars Olaf Holmen
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引用次数: 0

Abstract

Background: Neointima formation and hyperplasia in vascular grafts may lead to graft complications threatening the patency of the vascular reconstruction. A rare complication to endovascular treatment of grafts and stent grafts is dissection inside the graft.

Case report: We present here a case of a 69-year-old female with acute occlusion of the limb of an aorto-bifemoral graft for the third time, 16 years after the primary operation. As at the first two occasions, catheter-based intra-arterial thrombolysis was performed, but with residual stenosis inside the graft. During stent placement, dissection of the neointima or fibrin sheet occluded the inflow to the stent. The complication was resolved with placement of kissing stents.

Conclusions: It is important to recognize iatrogenic neointima dissection inside graft and stent grafts, as continued thrombolysis will not solve this, but increase the risk of hemorrhagic complications.

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内膜夹层-移植物和支架移植物血管内治疗的罕见并发症。
背景:血管移植物中新生内膜的形成和增生可能导致移植物并发症,威胁血管重建的通畅性。移植物和支架移植物的血管内治疗的一个罕见并发症是移植物内部的夹层。病例报告:我们报告了一例69岁的女性,在初次手术后16年,第三次发生主动脉-双股移植物肢体急性闭塞。与前两次一样,进行了基于导管的动脉内溶栓,但移植物内部存在残余狭窄。在支架置入过程中,新生内膜或纤维蛋白片的剥离阻断了支架的流入。并发症通过放置接吻支架得以解决。结论:重要的是要认识到移植物和支架移植物内的医源性新生内膜夹层,因为继续溶栓并不能解决这个问题,反而会增加出血并发症的风险。
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来源期刊
CVIR Endovascular
CVIR Endovascular Medicine-Radiology, Nuclear Medicine and Imaging
CiteScore
2.30
自引率
0.00%
发文量
59
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