重症患者のMDR/XDR重症感染症の管理
Luca Mezzadri1,2, Ya-Ting Chang1,3, David L Paterson1,4
1ADVANCE-ID, Saw Swee Hock School of Public Health, National University of Singapore, Singapore.
Current opinion in critical care
|September 5, 2025
まとめ
多剤耐性 (MDR) と広範囲耐性 (XDR) の病原体による重篤な感染症の管理には,治療法と耐性に関する最新の知識が必要です. 高品質の臨床試験は これらの困難な感染症に対する 根拠に基づいた治療に不可欠です
科学分野:
- 感染症
- 臨床微生物学
- 薬理学について
背景:
- 多剤耐性 (MDR) と広範囲耐性 (XDR) の病原体によって引き起こされる深刻な感染症は,世界的な健康上の大きな課題となっています.
- 現在の治療ガイドラインは,治療が難しいこれらの生物に対して,確固たる臨床試験データがないため,しばしば制限されています.
研究 の 目的:
- MDR/XDR病原体による重症感染症の管理に関する現在の推奨事項の見直し
- ランダム化制御試験 (RCT) の証拠に焦点を当て,新興の治療選択肢を強調する.
主な方法:
- ランダム化対照試験 (RCT) と最近の臨床データの体系的レビュー.
- グラム陽性およびグラム陰性細菌を含む特定のMDR/XDR病原体に対する治療戦略の分析
主要な成果:
- メチシリン耐性黄色のステーキ菌 (MRSA) の血流感染症 (BSI) の治療には,バンコミシン,ラインゾリド,ダプトミシンが主要な選択肢であり,セフトビプロルはより新しい薬剤である.
- バンコミシン耐性エンテロコックスのBSIの治療は,ラインゾリドとダプトミシンに依存しています.
- MDR/XDR グラム陰性感染症の治療は困難である.新しいベータ・ラクタム/ベータ・ラクタマース阻害剤の組み合わせは,カルバペネム耐性腸内細菌と Pseudomonas aeruginosa に対して鍵となる.
- セフィデロコルとセフタジドーム-アビバクタムとアズトレオナムは,メタロβ-ラクトマースの生産者のための最後の選択肢です.
- サルバクタム・ドゥルバクタムは,カルバペネム耐性アシネトバクテリア・バウマンニーの治療には有望だが,利用可能性は限られている.
結論:
- 重篤なMDR/XDR感染の効果的な管理には,治療の選択肢と耐性パターンの継続的な更新が必要です.
- 証拠に基づいた治療ガイドラインを確立するために,より質の高い臨床試験が不可欠です.
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