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Updated: Feb 28, 2026

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Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
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潰瘍性大腸炎を合併した上行大動脈壁内血栓症の一例
Yu Takahashi1, Yusuke Inaba2, Sachito Minegishi2
1Department of Cardiovascular Surgery, Kyorin University, 6-20-2 Shinkawa, Mitaka-shi, Mitaka-shi, Tokyo, 181-8611, Japan. yutakahashi0926@gmail.com.
Journal of cardiothoracic surgery
|February 26, 2026
まとめ
潰瘍性大腸炎患者における上行大動脈血栓症のまれな症例が、手術と免疫調節療法により成功裏に治療された。これは、炎症性腸疾患の潜在的かつまれな合併症であることを示唆している。
科学分野:
- 心血管医学
- 消化器病学
- 免疫学
背景:
- 潰瘍性大腸炎(UC)は、慢性炎症性腸疾患である。
- UCの腸管外合併症(EIMs)は一般的であるが、大動脈血栓症は極めてまれである。
- 上行大動脈壁内血栓は、壊滅的な塞栓イベントの重大なリスクをもたらす。
研究 の 目的:
- 潰瘍性大腸炎患者における上行大動脈血栓症のまれな症例を報告する。
- 診断および治療上の課題について議論する。
- UCに関連する大動脈血栓症に関する文献をレビューする。
主な方法:
- 水様性下痢および血便を呈した潰瘍性大腸炎の60歳男性患者。
- 造影CT検査により上行大動脈壁内血栓が明らかになった。
- 患者は、ステロイド、モノクローナル抗体(インターロイキン-12/23 p40サブユニットを標的とする)、および外科的大動脈置換術で治療された。
- 組織病理学的検査により、非動脈瘤性大動脈壁内血栓が確認された。
主要な成果:
- ステロイドによる症候性の改善の後、大動脈血栓症に対する外科的介入が成功した。
- 患者は、ステロイドの漸減を可能にするモノクローナル抗体による周術期の免疫調節療法を忍容した。
- 組織病理学的検査では、軽度の動脈硬化症および内弾性板の不連続性が認められ、有意な動脈瘤性変化はなかった。
結論:
- 上行大動脈血栓症は、潰瘍性大腸炎の極めてまれであるが、生命を脅かす可能性のある腸管外合併症である。
- 消化器内科、循環器内科、外科、および免疫内科を含む集学的管理が不可欠である。
- 早期診断と介入、外科的修復および最適化された免疫調節療法を含むことが、良好な転帰の鍵となる。
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