节奏对节奏振荡计血压估计:贝叶斯式方法与系统识别
IEEE transactions on bio-medical engineering
|September 23, 2024
概括
这项研究引入了用于准确,连续的非侵入性血压 (BP) 监测的新型节拍式振荡计方法. 这些进步克服了当前设备的局限性,通过精确的心血管参数估计,提供了更好的患者护理.
科学领域:
- 生物医学工程 生物医学工程
- 心血管生理学心血管生理学
- 医疗器械 医疗器械
背景情况:
- 目前的非侵入性血压 (BP) 监测设备在提供连续,节奏到节奏的准确性方面存在局限性.
- 基于生理学的数学模型对于推进BP估计技术至关重要.
研究的目的:
- 开发和验证创新的节拍对节拍振荡计方法,用于非侵入性BP估计.
- 通过提供连续和准确的BP读数来克服现有设备的局限性.
- 利用生理上有基础的数学模型来加强血压监测.
主要方法:
- 开发了新的节拍对节拍振荡计BP估计技术.
- 采用了基于生理学的静脉内血压和动脉系统动态的数学模型.
- 使用递归贝叶斯方法进行参数估计,并使用系统识别技术进行改进.
- 通过模拟和实验验证的方法与10个人类受试者进行实验.
主要成果:
- 达到的平均误差低至 -1.26 mmHg 对于缩血压和2.03 mmHg 对于腹缩血压.
- 报告的误差标准偏差为5.95 mmHg (心缩) 和4.16 mmHg (腹缩).
- 启用了额外的心血管参数的估计,包括心率,呼吸率和平均动脉压.
结论:
- 新的节拍式振荡计方法代表了非侵入性血压监测的重大进步.
- 这些方法通过提供连续的,比特比特的BP估计来解决当前设备的限制.
- 这种方法有望提高心血管监测设备的可靠性和全面性.
更多相关视频
11:26Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
Published on: December 10, 2014
12.3K
08:22Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis
Published on: April 26, 2024
1.7K
相关概念视频
01:17Measurement of Blood Pressure
892
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
892
01:23Assessment of blood pressure in brachial artery(two-step method)
660
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
660
01:30Equipments Used To Measure Blood Pressure
839
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...
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...
839
01:15Assessment of blood pressure in brachial artery(one-step method)
560
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
560
01:10Pre-Procedural Guidelines for Assessing Blood Pressure
525
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
525
01:28Special considerations while measuring blood pressure
709
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.
709