CIDPにおけるジャマール・ハンドグリップ・ダイナモメーターの臨床的に重要な最小の差:韓国と英国の研究
Young Gi Min1, Zeinab Rajabally2, Woohee Ju3
1Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
European journal of neurology
|August 25, 2025
まとめ
慢性炎症性脱ミエリン症 (CIDP) の握り力 (GS) の新しい値が提案されています. この研究は改善の為5kgと悪化の為4. 5kgを示唆し,現在の10%の相対変化ガイドラインよりも高い精度を示唆しています.
科学分野:
- 神経学
- 臨床的な測定
- バイオ統計学
背景:
- 握り力 (GS) は慢性炎症性脱ミエリン症候群 (CIDP) の評価における重要な指標である.
- 現在のガイドラインでは,臨床的に重要な最小差 (MCID) として10%の相対的な変化を示唆し,しばしば平均的な毎日の測定を必要とする.
- 劣化を検知し,非日常的なモニタリングのための最適な値はまだ定義されていません.
研究 の 目的:
- CIDP患者における握り力変化の正確なMCID値を確立する.
- 提案された絶対的および相対的なGS変化の値の正確性を評価する.
- CIDPの管理のための信頼性の高い監視ガイドラインを提供すること.
主な方法:
- 2つの国際センターの122人のCIDP患者の350人のGS評価の分析.
- 患者の認識と検証されたスケール (INCA,ONLS,IRSD) を用いて,臨床変化の分類 (改善,悪化,安定)
- 絶対 (kg) と相対 (%) の変化のための最適なMCID値の決定にユードン指数を適用する.
主要な成果:
- ガイドラインで推奨された10%の相対的な値は,低い特異性と精度を示した.
- 5kgの改善値と4. 5kgの劣化値が導き出され,より高い特異性と精度を示した.
- 20%の相対的な変化の値も,いずれかの方向の変化を検出するのに有効であることが証明されました.
結論:
- CIDPにおけるGSの現在の10%の相対的なMCIDは,信頼性の高い1日間の評価には不十分である.
- 提案された値 (改善5kg,悪化4. 5kg,相対20%) は,診断特異性を高めます.
- これらの精密な値は,CIDP患者の定期的なモニタリングの信頼性を高めることができます.
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