看護師におけるシフト勤務のコルチゾールレベルへの影響:システマティックレビュー
1College of Nursing, Seoul National University, Seoul, Republic of Korea.
Psychology, health & medicine
|January 10, 2026
まとめ
シフト勤務、特に固定夜勤は、看護師のコルチゾールレベルと概日リズムを乱します。この不均衡は、非伝統的な時間帯に働く医療専門家にとって潜在的な健康リスクを浮き彫りにします。
科学分野:
- 労働衛生
- 内分泌学
- 看護研究
背景:
- シフト勤務は継続的な患者ケアに不可欠ですが、健康への悪影響と関連しています。
- ストレスホルモンであるコルチゾールは概日リズムによって調節され、シフト勤務による乱れの影響を受けやすいです。
研究 の 目的:
- 看護師におけるさまざまなタイプのシフト勤務とコルチゾールレベルとの関連を系統的にレビューすること。
- シフトスケジュールが看護職におけるストレスホルモンであるコルチゾールと概日リズムにどのように影響するかを特定すること。
主な方法:
- PROSPEROに登録されたプロトコルに従ったシステマティックレビュー。
- 2000年以降に出版された研究について、7つのデータベースを横断して文献検索を実施。
- 異質性のため、ROBINS-Iを使用してバイアスのリスクを評価し、ナラティブ合成を実施。
主要な成果:
- 8件の研究が含まれました。夜勤看護師は、日勤看護師と比較してコルチゾールレベルの上昇と概日リズムの乱れを示しました。
- 交代勤務スケジュールに関する結果は一貫性がありませんでした。
- 交絡因子と参加者の選択により、全体的なバイアスのリスクが高いと評価されました。
結論:
- シフト勤務、特に固定夜勤は、看護師におけるコルチゾールバランスの乱れと概日リズムのずれと関連しています。
- 将来の研究では、より正確な結果を得るために交絡変数を考慮する必要があります。
- 看護師の健康と労働力の持続可能性を最適化するためには、シフトスケジュールの最適化が不可欠です。
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