カペシタビン投与開始後の血管パスティック・アンギナ:珍しいが深刻な心臓毒性効果
Sergio Ponce Simal1, Mario Martínez Fleta1, Maria Prados Arnedo1
1Department of Cardiology, Miguel Servet University Hospital, Zaragoza, Spain.
The Journal of emergency medicine
|February 13, 2026
まとめ
緊急医療の医師は,胸痛の患者において,カペシタビン誘発の心臓毒性を考慮すべきである. この化学療法の副作用を早期に認識し,迅速な血管拡張剤治療を行うことは,患者のアウトカムにとって極めて重要です.
科学分野:
- 腫瘍学 腫瘍学
- 心臓病学 心臓病学
- 緊急医療 緊急医療
背景:
- カペシタビンを含むフッ素ピリミジンは,結腸直腸がんなどの固体腫瘍に対する重要な化学療法剤です.
- 冠動脈血管は,カペシタビンの成分である5-フッ素ウラシル (5-FU) の心臓毒性作用として知られています.
- ケープシタビンの心血管に関する副作用はあまりはっきりしていないため,注意が必要である.
研究 の 目的:
- カペシタビンが心臓毒性,特に血管縮性アンギナを引き起こす可能性を強調する.
- この有害事象の認識と管理について緊急医療従事者に知らせる.
主な方法:
- カペシタビンを投与された直腸腺がんの66歳の男性で,胸痛を呈した症例報告.
- 診断評価には,ECG,冠動脈血管図,アセチルコリン誘発テストが含まれていました.
- 治療には,カペシタビン投与の中止と血管拡張剤療法が含まれていました.
主要な成果:
- 患者は,ケープシタビン投与を開始した後に,静脈に一致する胸痛と心電図の変化を経験しました.
- 冠動脈動脈造影は阻害性疾患を明らかにしなかったが,アセチルコリン誘発は血管縮性心房炎を確認した.
- 症状はニトログリセリンで解消され,患者はケープシタビンの中止と医療管理後に改善しました.
結論:
- カペシタビンは,従来の心臓の危険因子を持たない患者でも,血管縮性アンギナを発生させる可能性があります.
- 緊急医療の医師は,胸痛を呈する患者において,カペシタビン誘発の心臓毒性を考慮する必要があります.
- 迅速な認識,薬物中断,血管拡張剤治療は,この腫瘍学的緊急事態の管理の鍵です.
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