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首页> 外文会议>15th Nordic-Baltic conference on biomedical engineering and medical physics >Reliability of Hemodynamic Parameters Measured by a Novel Photoplethysmography Device
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Reliability of Hemodynamic Parameters Measured by a Novel Photoplethysmography Device

机译：新型光电容积描记仪测量血流动力学参数的可靠性

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Three channel photoplethysmography (PPG) signal pulse wave studies of the leg's conduit arteries during rest conditions were performed. The obtained data of each channel showed similar values, proving arterial PPG as a reliable and repeatable method to assess arterial waveform parameters. A validation experiment was carried out by ac quiring signals from three identical IR PPG sensors, which were placed on different sites over the leg's conduit arteries during rest conditions. Coefficients of variation (CV) were calculated at a 95% confidence interval by comparing results of each subject during multiple attempts. This data processing leads us to certain criteria of improvements in our methodol ogy. Results show that the arterial PPG technique can give trusted and accurate information about the changes in hemo dynamics, and therefore, makes it promising for early diagnos tics of vascular disease.
机译：在休息条件下，对腿部导管的三通道光体积描记术（PPG）信号脉搏波进行了研究。每个通道获得的数据显示相似的值，证明动脉PPG是评估动脉波形参数的可靠且可重复的方法。通过从三个相同的IR PPG传感器获取信号进行了验证实验，该传感器在休息状态下被放置在腿部导管动脉上方的不同位置。通过比较多次尝试中每个受试者的结果，以95％的置信区间计算变异系数（CV）。这种数据处理使我们在方法学上达到了某些改进标准。结果表明，动脉PPG技术可提供有关血液动力学变化的可靠且准确的信息，因此，它有望为血管疾病的早期诊断提供依据。

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