基于袖口的设备校准方法对侵入性和非侵入性大动脉和手臂压力之间的协议的影响
Daniel Bia1, Federico Salazar2, Luis Cinca2
1Departamento de Fisiología, Centro Universitario de Investigación, Innovación y Diagnóstico Arterial (CUiiDARTE), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Clinical physiology and functional imaging
|November 28, 2023
概括
校准方法用于估计大动脉静脉血压 (aoSBP) 影响精度. 不同的方案显示不同的错误和最佳范围,但没有一个方案在评估心脏性质方面明显优于其他方案.
科学领域:
- 心血管生理学心血管生理学
- 生物医学工程 生物医学工程
- 临床测量 临床测量
背景情况:
- 臂袖方法被广泛用于非侵入性大动脉缩血压 (aoSBP) 估计.
- 在准确校准这些手臂测量以反映aoSBP时,仍然存在一些挑战.
研究的目的:
- 评估不同的校准方案如何影响非侵入性aoSBP测量.
- 为了评估校准的非侵入性aoSBP和侵入性测量aoSBP之间的协议.
- 确定校准方法对aoSBP与心脏性质之间的关系的影响.
主要方法:
- 在89名受试者同时进行侵入性和非侵入性血压 (BP) 测量.
- 使用三种校准方案进行非侵入性aoSBP估计:"SD" (腹筋/心筋腕血压),"C" (腹筋腕血压和计算平均血压),以及"Osc" (腹筋腕血压和振荡计衍生平均血压).
- 分析侵入性和非侵入性aoSBP之间的一致性,以及与心声回声学参数的关联.
主要成果:
- 校准方案"C"和"SD"低估了侵入性aoSBP (平均误差为6.9和10.1mmHg),而"Osc"高估了它 (平均误差为-11.4mmHg).
- 在所有方案中,对aoSBP的低估增加了具有更高侵入性的aoSBP水平.
- 每个校准方案都在特定的侵入性aoSBP间隔内显示出最佳的误差范围 ('C': 103-131 mmHg, 'Osc': 159-201 mmHg, 'SD': 101-124 mmHg).
结论:
- 校准方案的选择显著影响非侵入性aoSBP值及其与侵入性测量的一致性.
- 虽然校准方法会影响aoSBP的准确性,但它们对aoSBP与心脏特征之间的关联的影响是相似的.
- 没有单一的校准方法在评估aoSBP与心脏功能之间的关系方面表现出明显的优越性.
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