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急性熱傷蘇生における血管作動薬の使用:後ろ向き研究
Kristine Knappskog1,2,3, Kostiantyn Botnar4, Julia Kleinhapl2,5
1Research Group for Burn Care and Reconstructive Surgery, Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway.
Acta anaesthesiologica Scandinavica
|January 28, 2026
まとめ
血管作動薬は重症熱傷患者に使用されますが、本研究では早期使用が急性腎障害の増加および30日死亡率の上昇と相関していることが判明しました。熱傷管理における血管作動薬の投与には慎重な検討が必要です。
科学分野:
- 集中治療医学; 熱傷管理; 薬理学
背景:
- 血管作動薬は、輸液蘇生に反応しない重症熱傷患者の低血圧管理に不可欠である。患者の特徴と血管作動薬の使用に関連する転帰を理解することは、ケアの最適化のために重要である。
研究 の 目的:
- 血管作動薬を必要とする重症熱傷患者の特徴を明らかにすること。急性腎障害および死亡を含む患者転帰と早期血管作動薬投与との関連を調査すること。
主な方法:
- TriNetX Research Network(2010-2023)の匿名化された電子健康記録の後ろ向き分析。適格基準:18歳以上の熱傷患者でTBSAが20%以上。入院後2日以内に血管作動薬を投与された患者と投与されなかった患者を比較するために、傾向スコアマッチング(1:1比)を使用した。
主要な成果:
- 6872人の重症熱傷患者のうち17.7%が早期に血管作動薬を投与された。血管作動薬投与群は、年齢が高く、併存疾患が多く、より重度の熱傷を負っていた。マッチング後、早期血管作動薬の使用は、急性腎障害(51.0% vs 28.4%)、敗血症(30.8% vs 22.9%)、および30日死亡率(45.1% vs 32.7%)の有意に高い割合と関連していた。
結論:
- 重症熱傷患者における早期血管作動薬投与は、リスクの増加と関連している。血管作動薬を投与された患者では、早期急性腎障害および30日死亡率の割合が高かった。本研究結果は、熱傷蘇生プロトコルにおける血管作動薬使用の慎重な評価が必要であることを示唆している。
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