低価値甲状腺機能検査を削減するための介入の効果とメカニズム:システマティックレビュー
Carolina Pioch1, Meik Hildebrandt2,3, Gregor Goetz4
1Department of Health Care Management, Technical University of Berlin, Berlin, Germany. c.pioch@tu-berlin.de.
Systematic reviews
|February 26, 2026
まとめ
行動介入は低価値の甲状腺検査を効果的に削減し、臨床意思決定支援システムのような構造的変更が最も有望である。これらの所見を確認し、実践変更を導くためには、より質の高い研究が必要である。
科学分野:
- Health Services Research
- Clinical Practice Improvement
- Behavioral Science in Medicine
背景:
- 甲状腺機能検査は臨床現場で頻繁に過剰に使用されている。
- 低価値の検査は、医療費と患者への潜在的な危害につながる。
- 甲状腺検査の注文を最適化するためには、効果的な戦略が必要である。
研究 の 目的:
- 低価値の甲状腺検査を削減することを目的とした行動変容介入を系統的にレビューすること。
- 介入の成功に影響を与える理論的根拠と文脈的要因を特定すること。
- 異なる介入タイプの有効性を評価すること。
主な方法:
- 複数のデータベース(Medline、Embase、Scopus、Cochrane Library)を対象とした包括的な系統的検索。
- ランダム化および非ランダム化比較試験、および前後比較研究の包含。
- 介入を「ソフト」(教育、フィードバック)と「構造的」(意思決定支援システム、資金調達の変更)に分類。
- PRISMAガイドラインに従い、クリティカルアプレイザルとGRADE確実性評価を実施。
主要な成果:
- 47件の研究(54件の介入)が含まれ、うち5件はランダム化比較試験であった。
- 構造的介入、特に臨床意思決定支援システムが最も一般的で効果的であった。
- ほとんどの介入(54件中52件)は低価値の甲状腺検査を削減し、その多くは20%以上削減したが、エビデンスの確実性は低から中程度であった。
- ケアの質に対する肯定的な影響が24件の研究で観察された。
- 理論的根拠や文脈的要因に言及した介入は少なかった。
結論:
- 構造的介入、特に臨床意思決定支援システムは、甲状腺検査を削減するために最も効果的である。
- 肯定的な効果は一般的であるが、エビデンス基盤は質の高い研究によって強化する必要がある。
- 本研究の結果は、様々な医療レベルで低価値の甲状腺検査を削減するための標的戦略に情報を提供できる。
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