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Smartphone PPG Validation for a Depression Assessment Protocol

文献类型： 会议论文

第一作者： Diego Cajal

作者： Diego Cajal 1 ; Mar Posadas-de Miguel 2 ; Concepción de la Cámara 3 ; Spyridon Kontaxis 4 ; Jesús Lázaro 1 ; Raquel Bailón 1 ;

作者机构： 1.Biomedical Signal Interpretation and Computational Simulation (BSICoS) Group, Aragón Institute of Engineering Research (I3A), IIS Aragón, University of Zaragoza, Zaragoza, Spain|Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Madrid, Spain

2.IIS Aragón Zaragoza

3.IIS Aragón Zaragoza|CIBER de Salud Mental|Hospital Clínico Universitario Lozano Blesa

4.Biomedical Signal Interpretation and Computational Simulation (BSICoS) Group, Aragón Institute of Engineering Research (I3A), IIS Aragón, University of Zaragoza, Zaragoza, Spain

关键词： Measurement;Pulse oximeter;Protocols;Depression;Photoplethysmography;Recording;Task analysis

会议名称： International Conference on E-Health and Bioengineering

主办单位：

页码： 1-4

摘要： A new smartphone application for pulse photoplethysmography (PPG) recording is validated for a depression assessment protocol, consisting of four stages that includes recordings of movement-related tasks, talking-related tasks, and stillness. The separation of these stages allows to evaluate the agreement between the PPG acquired using the smartphone camera and a commercial pulse oximeter, used as reference, in different conditions. Several time-domain and frequency-domain heart rate variability (HRV) metrics have been studied. Results suggest a strong agreement during stillness phases $(mathbf{r}geq mathbf{0}.mathbf{96} (mathbf{p} mathbf{0}.mathbf{05})$ for all the HRV metrics), as well as a moderate downgrade during movement and talking. The agreement is also different between low-frequency related metrics $(mathbf{r}geq mathbf{0}.mathbf{92} (mathbf{p} mathbf{0}.mathbf{05})$ and high-frequency related metrics $(mathbf{r} mathbf{0}.mathbf{78} (boldsymbol{p} mathbf{0}.mathbf{05}))$ . The overestimation of the high-frequency component of the HRV may be a limitation for smartphone PPG in depression monitoring.

分类号： q81-53

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