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甲状腺癌に対する内視鏡下甲状腺摘出術における低体温合併症の予測モデルの構築と検証
1Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Frontiers in molecular biosciences
|January 28, 2026
まとめ
本研究では、内視鏡下甲状腺癌手術中の術中低体温のリスクのある患者を特定するための臨床予測モデルを開発した。このモデルはリスクを正確に予測し、手術室の看護師による患者ケアを支援する。
科学分野:
- 麻酔科学
- 腫瘍外科学
- 臨床予測モデリング
背景:
- 術中低体温は手術中の一般的な合併症であり、患者の転帰に悪影響を与える。
- 甲状腺癌に対する内視鏡下甲状腺摘出術は、体温調節に関して特有の課題をもたらす。
- リスクのある患者を特定することは、積極的な管理と手術の安全性の向上にとって極めて重要である。
研究 の 目的:
- 術中低体温リスクの臨床予測モデルを開発および検証すること。
- 内視鏡下甲状腺摘出術を受ける患者における術中低体温の独立した予測因子を特定すること。
- モデルの予測精度と臨床的有用性を評価すること。
主な方法:
- 単変量および多変量ロジスティック回帰分析を用いて、危険因子を特定した。
- 独立した予測因子を用いてノモグラムモデルを構築した。
- ROC曲線、較正曲線、および意思決定曲線分析(DCA)を用いてモデルの性能を評価した。
- 一般化可能性を評価するために外部検証を実施した。
主要な成果:
- 輸液量と灌流液の温度が低体温の独立した危険因子であった。
- ボディマス指数(BMI)が独立した保護因子として特定された。
- このモデルは、優れた予測精度(AUC = 0.945)と臨床的有用性を示し、外部検証(AUC = 0.831)でも確認された。
結論:
- 開発されたノモグラムモデルは、術中低体温リスクを予測するための有用なツールである。
- このモデルは、内視鏡下甲状腺癌手術において強力な予測性能と臨床的有用性を示す。
- このツールは、手術室の看護師が高リスク患者を特定し、標的介入を行うのを支援することができる。
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