破裂した基礎動脈の血栓のような動脈瘤は,単一の低プロフィール可視化腸内支柱 (LVIS) ステントを使用して治療:ケース報告
Takuya Maeda1, Haruhiko Kikuta1, Takao Kojima2
1Department of Neurosurgery, Fukushima Medical University, Fukushima, JPN.
Cureus
|February 12, 2026
まとめ
単一の低プロファイル可視化内膜支柱 (LVIS) ステントは,下頭下出血 (SAH) の患者で,希少な基礎動脈の血栓状動脈瘤 (BBA) を効果的に治療しました. この内静脈的アプローチは,コイル栓塞が困難である場合に有効な代替案を提供します.
科学分野:
- 神経外科は神経外科です.
- 血管神経学 血管神経学
- 介入神経放射線学
背景:
- 基礎動脈の血小胞状動脈瘤 (BBA) はまれで,治療ガイドラインが確立されていない.
- BBAによる頭下門下出血 (SAH) は,重要な管理課題を提示しています.
研究 の 目的:
- ベースラー動脈BBAの内血管治療が成功し,単一の低プロフィール可視化腸内支柱 (LVIS) ステントを用いて報告する.
- 従来の方法が困難であるBBAに対するLVISステント補助治療の有効性を評価する.
主な方法:
- 基礎動脈BBAに二次的な亜急性SAHを持つ63歳の女性患者が治療されました.
- デジタル抽出血管図 (DSA) は1.7mmのBBA.を確認した.
- 首の動脈瘤を再建するために1つのLVISステントを展開し,高破裂リスクのためにコイル栓塞を回避しました.
主要な成果:
- 単一のLVISステントを使用した血管内臓手術は技術的に成功しました.
- 患者は手術後の無事回復を経験し,神経学的欠陥なしに退院しました.
- 4ヶ月後のDSAのフォローアップでは,基礎動脈BBA.の完全な解消が示されました.
結論:
- 単一のLVISステントは,基礎動脈BBAの有効で安全な代替治療法であり,特にステントアシストコイル栓塞が技術的に困難またはリスクが高い場合です.
- このケースは,複雑な頭蓋内動脈瘤の管理にLVISステントの導入の有用性を強調しています.
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