在设备上,连续,无袖和基于加速器的血压监测
概括
这项研究介绍了一种使用人工智能和惯性传感器的新型无袖血压计. 它为心血管疾病管理提供准确,连续和非侵入性读数.
科学领域:
- 生物医学工程 生物医学工程
- 医疗保健中的人工智能
- 心血管监测 心血管监测
背景情况:
- 传统的血压监测依赖于手,限制了连续和实际的使用.
- 非侵入性,无袖的方法对于有效的心血管疾病管理至关重要.
- 现有的无袖技术往往缺乏准确性,个性化或现实世界的适用性.
研究的目的:
- 推出一个智能惯性血压测量装置.
- 通过使用新型传感器融合和人工智能,实现准确,持续和非侵入性血压估计.
- 促进非临床环境中的实际心血管疾病管理.
主要方法:
- 利用脉冲过渡时间和用两个加速度计在常见动脉上的弹性心脏造影.
- 开发了一种轻量级的设备上神经网络,用于估计心压和腹压血压.
- 雇员平台意识的神经架构搜索和转移学习用于模型优化和个性化 (30秒校准).
主要成果:
- 在临床前试验中 (18名患者) 达到<±2 mmHg的静缩和静缩误差.
- 神经网络模型需要 <100 kB 的内存,从而实现设备上的处理.
- 该设备通过智能手机接口无线提供每秒3次血压读数.
结论:
- 开发的无袖血压监测设备是准确的,非侵入性的,可个性化和实用的.
- 该框架支持专家和非专家用户在非临床环境中持续监测血压.
- 智能惯性设备代表了远程心血管健康管理的重大进步.
相关概念视频
01:30Equipments Used To Measure Blood Pressure
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Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
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01:21Sites for measruring blood pressure
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The Brachial Artery: Primary Site for Blood Pressure Measurement
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01:17Measurement of Blood Pressure
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01:30Pulse rhythm
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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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01:28Special considerations while measuring blood pressure
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When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
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01:19Assessing Blood pressure using a doppler ultrasound
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To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
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