多剤乱用者における片側性びまん性肺胞出血:症例報告
Joana Lopo1, Ana Margarida Morgado1, Paula Nogueira1
1Internal Medicine, Unidade Local de Saúde do Algarve, Faro, PRT.
Cureus
|February 6, 2026
まとめ
びまん性肺胞出血(DAH)は、重度の肺疾患であり、多剤乱用、特にコカインとオピオイドによって引き起こされる可能性があります。この医療緊急事態からの患者の回復には、早期認識と集中的治療が不可欠です。
科学分野:
- 肺学
- 毒物学
- 救急医学
背景:
- びまん性肺胞出血(DAH)は、肺胞出血と急性呼吸不全を引き起こす重篤な状態です。
- 血管炎や自己免疫疾患が一般的な原因ですが、違法薬物の使用は新たなリスク因子となっています。
- コカインやオピオイドを含む多剤乱用は、若年成人におけるDAHに関与することが増えています。
研究 の 目的:
- 多剤乱用歴のある若年成人における薬物誘発性DAHの症例を提示すること。
- 薬物中毒の状況におけるDAHの診断上の課題と治療上の意味を強調すること。
- 薬物過剰摂取の症状を呈する患者においてDAHを考慮することの重要性を強調すること。
主な方法:
- アルコール、大麻、コカイン、ヘロインの多剤乱用歴のある32歳男性の症例報告。
- 意識不明、呼吸不全、低換気を特徴とする臨床症状。
- 診断的ワークアップには、胸部CTスキャンおよび気管支肺胞洗浄を伴う気管支鏡検査が含まれた。
主要な成果:
- 胸部CTでDAHと一致する広範な浸潤影が明らかになった。
- 気管支肺胞洗浄により出血性液体の存在が確認された。
- 患者は離脱症状とDAH管理のために人工呼吸と支持療法を必要とした。
結論:
- 特にコカインとオピオイドの併用による薬物誘発性DAHは、迅速な診断を必要とする医療緊急事態です。
- 人工呼吸サポートを含む集中的な支持療法は、良好な転帰のために不可欠です。
- 薬物中毒および多剤乱用のある患者では、DAHに対する臨床的疑いを高く持つべきです。
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