在非医院心脏骤停幸存者中,自我报告和客观评估的身体活动之间的协议
Katarina Heimburg1, Gisela Lilja1, Erik Blennow Nordström1
1Neurology, Department of Clinical Sciences Lund, Skane University Hospital, Lund University, Lund, Sweden.
Clinical physiology and functional imaging
|October 13, 2023
概括
医院外心脏骤停的幸存者在与客观加速计数据相比,在自我报告时高估了他们的身体活动水平. 这种差异凸显了准确评估心脏骤停幸存者的运动方面的潜在挑战.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
背景情况:
- 低体力活动是医院外心脏骤停 (OHCA) 幸存者中心脏事件复发的重要危险因素.
- 准确评估身体活动对于指导OHCA幸存者的康复和二次预防策略至关重要.
- 现有的身体活动评估方法包括主观自我报告和客观加速度计.
研究的目的:
- 调查OHCA幸存者的自我报告和客观测量的身体活动水平之间的一致性.
- 测试假设,自我报告的体育活动与加速计评估的活动显示中等一致.
主要方法:
- 对来自瑞典,丹麦和英国的OHCA幸存者进行了横截面研究.
- 通过对过去一周中适度和强烈强度活动的两个问题来评估自我报告的体力活动.
- 使用ActiGraph GT3X-BT加速度计连续7天佩戴来测量目标体育活动.
主要成果:
- 49名OHCA幸存者 (共106人) 提供了有效的自我报告和加速度计数据.
- 与加速度计相比,自我报告显著高估了中等 (5 vs. 3天) 和强烈 (1 vs. 0天) 强度的体力活动 (p <0.001).
- 相关性是足够的 (中度:rs=0.336,p=0.018;强烈:rs=0.375,p=0.008),但协议是公平的轻微 (中度:k=0.269,p=0.001;强烈:k=0.148,p=0.015).
结论:
- OHCA幸存者倾向于报告身体活动水平高于通过加速度计客观测量的水平.
- 虽然相关性表明了一些协议,但相对轻微的协议表明在评估身体活动方面存在重大差异.
- 这些发现表明,自我报告的身体活动可能不是OHCA幸存者的唯一可靠的衡量标准,26%的自我报告活动低,而客观测量为65%.
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