セフォペラゾン:誘発性凝固障害のまれな原因
Ahmed Ismail1, Anam Habib2, Cayleigh Blumrick2
1Department of Medicine, Eastern Virginia Medical School at Old Dominion University, Norfolk, USA.
Cureus
|February 23, 2026
まとめ
メチシリン感受性黄色ブドウ球菌(MSSA)感染症の長期セフォペラゾン治療は、まれに重度の凝固障害を引き起こす可能性があります。このまれな副作用を検出し管理するには、特に高齢患者において凝固モニタリングが重要です。
科学分野:
- 薬理学;血液学;感染症
背景:
- セフォペラゾンは、MSSA感染症の一般的な治療法である第一世代セファロスポリン系抗生物質です。一般的に安全ですが、まれに凝固異常がセフォペラゾン療法と関連付けられています。
研究 の 目的:
- 長期セフォペラゾン治療を受けている高齢患者における重度の凝固障害の症例を報告すること。セフォペラゾン療法の延長中に凝固パラメータをモニタリングすることの重要性を強調すること。
主な方法:
- 81歳男性患者の症例報告。臨床症状、検査所見、および治療経過の詳細な説明。国際標準比(INR)および活性化部分トロンボプラスチン時間(aPTT)のモニタリング。
主要な成果:
- 患者はセフォペラゾン投与開始後、INRおよびaPTTの著しい上昇を伴う重度の凝固障害を発症しました。他の抗凝固薬を中止しても凝固異常は持続しました。セフォペラゾンの中止とビタミンKの投与により、急速な改善と凝固パラメータの正常化がもたらされました。
結論:
- セフォペラゾンはまれに、INRおよびaPTTの上昇として現れる重大な凝固障害を引き起こす可能性があります。長期セフォペラゾン療法中、特に高齢者またはハイリスク患者においては、厳密な凝固モニタリングが不可欠です。ビタミンK投与を含む迅速な認識と管理は、セフォペラゾン誘発性凝固障害を逆転させることができます。
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