Autoregressive modeling of the photoplethysmogram AC signal amplitude changes after flow-mediated dilation in healthy and diabetic subjects

Mina Amiri, Edmond Zahedi, Fereidoon Behnia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

It is proved that the endothelial (artery inner lumen cells) function is associated with cardiovascular risk factors. Among all the common non-invasive methods employed in the research setting for assessing endothelial function, flow-mediated dilation is the most widely used one. This technique measures endothelial function by inducing reactive hyperemia using temporary arterial occlusion and measuring the resultant relative increase in blood vessel diameter via ultrasound. In this paper, the limitations associated with the ultrasound technique are overcome by using the photoplethysmogram (PPG) signal recorded during FMD. The correctness of this approach is investigated by modeling the AC changes of PPG after FMD by a 2nd order autoregressive model. A sensitivity of 78.6%, specificity of 81.6% and total accuracy of 80% were achieved in classification of 16 healthy and 14 diabetic subjects.

Original languageEnglish
Title of host publication2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012
Pages170-173
Number of pages4
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012 - Tehran
Duration: 20 Dec 201221 Dec 2012

Other

Other2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012
CityTehran
Period20/12/1221/12/12

Fingerprint

Ultrasonics
Blood vessels

Keywords

  • AR modeling
  • Diabetes
  • FMD
  • PPG

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Amiri, M., Zahedi, E., & Behnia, F. (2012). Autoregressive modeling of the photoplethysmogram AC signal amplitude changes after flow-mediated dilation in healthy and diabetic subjects. In 2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012 (pp. 170-173). [6519679] https://doi.org/10.1109/ICBME.2012.6519679

Autoregressive modeling of the photoplethysmogram AC signal amplitude changes after flow-mediated dilation in healthy and diabetic subjects. / Amiri, Mina; Zahedi, Edmond; Behnia, Fereidoon.

2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012. 2012. p. 170-173 6519679.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Amiri, M, Zahedi, E & Behnia, F 2012, Autoregressive modeling of the photoplethysmogram AC signal amplitude changes after flow-mediated dilation in healthy and diabetic subjects. in 2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012., 6519679, pp. 170-173, 2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012, Tehran, 20/12/12. https://doi.org/10.1109/ICBME.2012.6519679
Amiri M, Zahedi E, Behnia F. Autoregressive modeling of the photoplethysmogram AC signal amplitude changes after flow-mediated dilation in healthy and diabetic subjects. In 2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012. 2012. p. 170-173. 6519679 https://doi.org/10.1109/ICBME.2012.6519679
Amiri, Mina ; Zahedi, Edmond ; Behnia, Fereidoon. / Autoregressive modeling of the photoplethysmogram AC signal amplitude changes after flow-mediated dilation in healthy and diabetic subjects. 2012 19th Iranian Conference of Biomedical Engineering, ICBME 2012. 2012. pp. 170-173
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