Long-term results of non-hemorrhagic vertebral artery dissecting aneurysms treated by stent monotherapy

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  • ステント単独で治療した非出血性椎骨動脈解離性動脈瘤の2例
  • 症例報告 ステント単独で治療した非出血性椎骨動脈解離性動脈瘤の2例 : ステント単独治療の長期成績
  • ショウレイ ホウコク ステント タンドク デ チリョウ シタ ヒシュッケツセイ ツイコツ ドウミャク カイリセイ ドウミャクリュウ ノ 2レイ : ステント タンドク チリョウ ノ チョウキ セイセキ
  • －ステント単独治療の長期成績－

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Abstract

Objective: To report the long-term results of non-hemorrhagic vertebral artery dissecting aneurysms (nhVADAs) treated by stenting alone.<br>Methods: Between January 2001 and December 2002, single or dual stents were placed in 2 of 5 patients with nhVADA who gave their informed consent. The patients were followed by 3-dimensional computed tomography (3D-CT), cerebral angiography, and intravascular ultrasonography.<br>Results: No ischemic or hemorrhagic complications were observed. At the 10-year follow-up, total or subtotal occlusion of the aneurysmal sac was achieved, and ectopic calcification was found in the thrombosed aneurysmal sac.<br>Discussion: In these cases, the use of balloon-mounted coronary stents led to straightening of the parent artery as well as alteration of the in-flow, which can contribute to flow stagnation and subsequent thrombosis of the aneurysms.<br>Conclusion: The use of stenting alone may afford a favorable long-term outcome for nhVADAs and could be a durable therapeutic choice.

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