插入式心脏监测器的算法改进减少了假阳性和节目审查负担
Mark Richards1, Molly Kupfer2, Keith Herrmann2
1Baylor Scott & White Arrhythmia Management, Plano, Texas, USA.
Pacing and clinical electrophysiology : PACE
|November 10, 2025
概括
新的可插入心脏监测 (ICM) 算法显著减少了对心房动 (AF) 和暂停的错误阳性. 优化设置还可以减少非可操作的夜间肌,改善设备性能和诊所工作流程.
科学领域:
- 心脏病学 心脏病学
- 生物医学工程 生物医学工程
- 医疗器械 医疗器械
背景情况:
- 插入式心脏监测器 (ICM) 越来越多地用于检测心律失常.
- 目前的ICM面临的挑战是性能准确性和数据管理.
- LUX-Dx II+ ICM 结合了对心房动 (AF),暂停和胸检测的改进.
研究的目的:
- 评估LUX-Dx II+ ICM中增强的AF和暂停检测算法的影响.
- 评估优化夜间编程的有效性,以减少非可操作的胸肌梗塞和暂停检测.
主要方法:
- 现实世界的心电图数据被用来比较新的AF和暂停算法与前身LUX-Dx算法.
- 模拟优化的夜间编程设置 (晚上11点至早上7点) 应用于LUX-Dx数据.
- 评估了非可采取行动的夜间胸 (>30bpm) 和暂停 (<5秒) 的减少.
主要成果:
- 新的AF算法减少了34-38%的假阳性 (在敏感设置中高达74%) ,同时保持了>98%的灵敏度.
- 增强的暂停算法将假阳性减少了48.6-62.5%,相对灵敏度为100%.
- 调整后的夜间值减少了心和停顿发作分别为98%和90% (总体为75%和56%).
结论:
- 改进的ICM算法和编程设置显著减少了假阳性AF和暂停检测.
- 优化的设置大大降低了非可操作的夜间心肌梗塞和暂停检测.
- 这些改进有望提高ICM的性能,并简化设备诊所的工作流程.
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