周辺動脈疾患の患者に歩行距離と速度を測定する:グローバルポジショニングシステムを用いた新しい方法
Alexis Le Faucheur1, Pierre Abraham, Vincent Jaquinandi
1Laboratory of Physiology, CNRS, UMR6214, INSERM U771, Medical School, University of Angers, Angers, France.
Circulation
|February 6, 2008
まとめ
グローバルポジショニングシステム (GPS) デバイスは,周辺動脈疾患の患者の屋外歩行能力を正確に測定することができます. この技術は,現実世界の条件下で歩行能力を評価するためのトレッドミルのテストに有効な代替案を提供します.
科学分野:
- 血管医学 血管医学とは
- バイオメディカルエンジニアリング
- 運動生理学 運動生理学
背景:
- トレードミルの最大歩行距離 (MWD) は,中断性クラウディケーションの周辺動脈疾患 (PAD) 患者の評価の基準です.
- トレードミルのテストは,多くの医師がアクセスできないため,日常的な評価を制限します.
- コミュニティの環境で歩行能力を評価するために,代替的な方法が必要です.
研究 の 目的:
- グローバルポジショニングシステム (GPS) の記録が屋外での歩行を監視できるかどうかを調査する.
- GPSデータがPAD患者の歩行能力に関する有効な情報を提供しているかどうかを判断する.
- GPSで測定された歩行能力と伝統的なトレッドミルのテストを比較するために.
主な方法:
- 動脈硬化症の患者24人を研究した.
- 最大歩行距離 (MWD) は,トレッドミルのテストを使用して測定されました.
- 歩行能力は,自己報告,歩行障害アンケート,6分の歩行テスト,GPSで記録された屋外での散歩を通じて評価されました.
主要な成果:
- GPSで測定されたMWDは,トレッドミルのMWDと最も強い相関関係を示した (Spearman r=0.81,P<0.001).
- GPSで測定されたMWDは609m (283mから1287m) であり,トレッドミルのMWDは184m (144mから246m) であった.
- 自己報告と6分歩行テストのような他の方法は,より弱い相関を示しました.
結論:
- 低コストのGPSデバイスは,PAD患者の屋外歩行能力を評価するための潜在的に革新的な方法を提供します.
- GPSの測定は,自由な生活条件下での歩行能力に関する有効な洞察を提供します.
- このアプローチは,血管疾患の患者に研究の可能性を広げ,トレッドミルのアクセスのない医師を支援します.
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