新的算法提高了可插入心脏监测器中心律失常检测的准确性.
Rakesh Gopinathannair1, Michael M Shehata2, Muhammad R Afzal3
1Kansas City Heart Rhythm Institute, Overland Park, Kansas, USA.
Journal of cardiovascular electrophysiology
|July 14, 2023
概括
新的算法显著减少了可插入心脏监测器 (ICM) 对于心房动,暂停和低心率的错误检测. 这通过解决不准确的R波传感来提高诊断准确度和设备效率.
科学领域:
- 生物医学工程 生物医学工程
- 心脏病学 心脏病学
- 医疗器械 医疗器械
背景情况:
- 插入式心脏监测器 (ICM) 对于诊断心律失常至关重要.
- 不准确的R波传感导致当前ICM系统中的错误检测,影响诊断可靠性.
研究的目的:
- 开发和评估ICM的新型歧视算法.
- 为了减少心房动 (AF) 的错误阳性检测,暂停,以及心跳动的发作.
- 保持高的真实阳性率,以准确检测心律失常.
主要方法:
- 从Abbott Confirm RxTM ICMs中提取和裁定电图 (EGM).
- 开发了针对R波传感,P波识别和RR间隔模式的新算法.
- 使用假阳性减少 (FPR) 和真阳性维护 (TPM) 的量化算法性能.
主要成果:
- 在测试中,AF算法实现了45.8%的FPR和97.0%的TPM.
- 在测试中,暂停算法实现了74.4%的FPR和99.3%的TPM.
- 在测试中,高心率算法实现了57.9%的FPR和96.5%的TPM.
结论:
- 新的算法大大降低了虚假的AF,暂停,和心动减速检测.
- 保持了高的真实阳性率,保持了真正心律失常的检测.
- 在下一代ICM中实施承诺提高准确性,效率和电池寿命.
关键词:
节律失常 (arrhythmia) 是一种心律失常.心房动是心房动的一种.诊断 诊断 诊断 诊断 诊断 诊断可插入的心脏监测仪.暂停暂停暂停暂停暂停快速心力衰竭 (TACHYCARDIA) 是一种心脏病.更多相关视频
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