5つの退役軍人医療センターにおける大規模前向き観察研究における外科チームメンバーによる症例難易度と非定型イベント
Matthew B Weinger1,2,3, Jason S Slagle1,2,3, Jessica Feinleib4
1Geriatric Research Education and Clinical Center, VA Medical Center, VA Tennessee Valley Healthcare System.
Journal of patient safety
|January 26, 2026
まとめ
1000件以上の手術を対象に、外科チームの症例難易度と非定型イベントを測定した。認識された難易度の高さと特定の役割は、非定型イベントの増加と相関しており、外科的パフォーマンスとの関連を示唆している。
科学分野:
- ヘルスケアオペレーション;外科的安全性;医療ヒューマンファクター
背景:
- 過度のワークロードは、術者のパフォーマンスと患者の転帰に悪影響を与える。;外科チームのワークロードは十分に定義されておらず、すべての役割にわたる同時測定が限られている。;手術症例中の麻酔科医、看護師、外科医のワークロードは十分に研究されていない。
研究 の 目的:
- 外科チームメンバー間の個々のおよびチームの「症例難易度」評価を測定すること。;手術手順中の非定型イベント(NRE)の発生を評価すること。;認識された症例難易度とNREとの関係を探求すること。
主な方法:
- 5つのVA医療センターにわたる1107件の非心臓手術を対象とした多施設共同前向き観察研究。;独立した調査により、外科医、麻酔専門職、およびOR看護師から術前および術後の「症例難易度」評価(1〜10スケール)とNREを収集した。;促進された調査により、すべての外科チームメンバーからの独立したデータ収集が保証された。
主要な成果:
- 非定型イベント(NRE)は症例の42.0%で発生し、看護師が最も頻繁に報告した(NRE症例の57%)。;外科医は、麻酔専門職や看護師よりも一貫して症例をより困難(術前および術後)と評価した。;個々の役割とチームの症例難易度の両方の評価が、NREの報告と関連していた。
結論:
- 外科チームの症例難易度とNREの測定は可能であり、外科的パフォーマンス要因に関する洞察を提供する。;認識された術前の難易度は、外科的リスクの補完的な予測因子として価値がある可能性がある。;チームのワークロードダイナミクスを理解することは、外科的安全性と転帰を向上させるために不可欠である。
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