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Updated: Feb 14, 2026

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从智能膝关节植入物和基于智能手机的护理管理应用程序收集的步数计数的融合有效性:一项7861名患者的研究
Jason Cholewa1, Karl Surmacz1, Roberta E Redfern1
1Zimmer Biomet, 1800 W. Center St., Warsaw, IN 46580, USA.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
一个智能植入式设备 (SID) 与基于应用程序的步骤计数显示了适度,一致的相关性,用于全膝关节整形术 (TKA) 恢复. 虽然绝对步数有所不同,但这两种技术都跟踪了类似的移动趋势.
科学领域:
- 整形外科 整形外科 整形外科
- 生物医学工程 生物医学工程
- 数字健康数字健康
背景情况:
- 步数计数对于在全膝关节整形术 (TKA) 后评估运动能力和恢复至关重要.
- 智能植入式设备 (SID) 提供了一种用于跟踪患者移动性的新方法.
研究的目的:
- 来自SID的步数数据的收有效性评估.
- 将SID步数与已建立的基于传感器的技术进行比较.
主要方法:
- 对TKA患者的大型匿名数据库 (N=7861) 的二次分析.
- 将SID的步数与数字护理管理应用程序 (智能手表/智能手机) 的步数进行比较.
- 使用皮尔森相关性和曼-惠特尼U测试来分析手术后30,90和180天的数据.
主要成果:
- 在恢复过程中,所有设备的步数都增加了.
- SID记录的合格步骤比应用程序的计数更少.
- 在SID和应用步骤计数之间发现了中等相关性 (r=0.62-0.74).
结论:
- SID的合格步骤指标显示了与基于应用程序的步骤计数的一致,中度的相关性.
- 无论是SID还是应用技术,都反映了TKA后患者恢复轨迹的相似性.
- 虽然绝对步数有所不同,但这些设备对移动趋势提供了可比的见解.
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