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アクティビティタイプ電気心臓図装置における信号品質

Bryndan Lindsey¹, Samantha Snyder², Yuanyuan Zhou³

¹Johns Hopkins Applied Physics Laboratory (JHU/APL), Laurel, MD 20723, USA.

Sensors (Basel, Switzerland)

|August 28, 2025

まとめ

商業用心電図 (ECG) 装置は,ダイナミックな活動中に信号の質が変動する. ポラーH10はゼフィア・バイオハーネス3.0と比較して,様々なエクササイズでより堅実なパフォーマンスを示しました.

科学分野:

生物医学工学
スポーツ科学
生理学的モニタリング

背景:

電気心臓図 (ECG) 装置は,心拍数 (HR) と心拍数変動 (HRV) の監視に不可欠です.
ウェアラブルEKGデバイスからの信号品質は,運動人工物や筋肉の干渉により,直立していない活動中に劣化することがあります.
既存の検証プロトコルは,現実のダイナミックな使用シナリオを適切に反映していない可能性があります.

研究の目的:

3つの商用胸用デバイスと複数のリードのECGモニターのECG信号の質を,様々な身体活動中に比較する.
異なるタイプの活動 (トレッドミルの散歩,サーキットトレーニング,障害物コース) が心電図信号の整合性に与える影響を評価する.
動的,直立でない条件下で優れた信号品質を維持する装置を特定する.

主な方法:

Polar H10,Equivital EQ-02,Zephyr BioHarness 3.0,およびBIOPACデバイスのビート信号品質指数 (SQI) を使用して信号品質を比較した.
トレードミルの歩行,サーキットトレーニング,障害物コースでのECGパフォーマンスを評価しました.
SQIの値 (<0. 7) と生理学的妥当性に基づいた信号拒絶率の計算.

主要な成果:

デバイスのタイプと活動の両方が,ECG信号の品質に重大な影響を及ぼしました (p < 0. 001).
障害物コースとサーキットトレーニングでは,トレードミルの歩行と比較して信号拒絶率が高かった (p < 0. 01).
Zephyr BioHarness 3.0はPolar H10やBIOPACよりも高い拒絶率を示したが,Polar H10の平均拒絶率は低い.

結論:

ダイナミックで直立していない活動は,商用デバイスのECG信号の品質に大きく影響します.
ポラーH10は,ゼフィア・バイオハーネス3.0と比較して,さまざまな活動においてより高い頑丈性を示しました.
ECGデバイスの検証プロトコルには,現実の世界でのパフォーマンスを反映する現実的でダイナミックなタスクが含まれているべきです.

キーワード:

ECG信号の品質についてエレクトロカーディオグラムモーション・アーティファクト生理学的モニタリング ECGのウェアラブルデバイス

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