カンザスシティの心臓筋病アンケートでは,心不全の全スペクトルの重症度が変化している
John A Spertus1, Philip G Jones1, Javed Butler2
1University of Missouri Healthcare Institute for Innovations in Quality, Kansas City, Missouri, USA; Saint Luke's Mid America Heart Institute, Kansas City, Missouri, USA.
JACC. Heart failure
|September 4, 2025
まとめ
カンザスシティ心筋梗塞のアンケート (KCCQ) の5ポイントの変化は,心臓不全の患者に対する臨床的に重要な違いを意味しています. この発見は,試験と実践におけるKCCQスコアの解釈に役立つ.
科学分野:
- 心臓病科
- 臨床的成果 研究
- 健康状態の測定
背景:
- カンザスシティ心筋梗塞のアンケート (KCCQ) は,心不全患者のアウトカムを評価するために不可欠です.
- KCCQスコアの臨床的に重要な最小差 (MCID) は,異なる心不全の重症度において十分に定義されていません.
- MCIDの理解は,心不全の管理において患者によって報告された結果の解釈に不可欠です.
研究 の 目的:
- KCCQ総合概要スコア (OSS) とKCCQ臨床概要スコア (CSS) のMCIDを定義する.
- 基礎心不全の重度のスペクトル全体でMCIDを評価する.
- 心不全患者の臨床的に有意義な変化のための信頼できる値を確立する.
主な方法:
- 心不全 (エジェクション分数 ≤40%) の診療室外患者は,KCCQをベースラインと6週間後に完了した.
- 15ポイントのライカートスケールで 患者の健康状態の変化を評価した.
- 線形回帰モデルは,認識された変化に基づいてKCCQスコアのMCIDを推定した.
主要な成果:
- 合計467人の心不全患者が分析されました.
- 改善のMCIDはベースラインスコアによって変化したが,悪化のMCIDは一定であった.
- 改善または悪化の全体的なKCCQ- OSS MCIDは3. 9ポイントで,KCCQ- CSSの結果は同様でした.
結論:
- KCCQスコアの5ポイントの変化は,心不全患者にとって重要な臨床的変化を表します.
- この5ポイントの基準値は,患者の健康状態に関係なく適用されます.
- この結果は,臨床試験と実践における有意義な臨床エンドポイントとして5点のKCCQ変化の使用を支持する.
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