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Measurement Science Review

The Journal of Institute of Measurement Science of Slovak Academy of Sciences

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Volume 12, Issue 6 (Dec 2012)


The Analysis of PPG Morphology: Investigating the Effects of Aging on Arterial Compliance

Q. Yousef
  • College of computer science and engineering Taibah University, Madinah-Saudi Arabia
/ M. B. I. Reaz
  • Department of Electrical, Electronic and Systems Engineering, University Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia
/ M. A. M. Ali
  • Department of Electrical, Electronic and Systems Engineering, University Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia
Published Online: 2012-12-15 | DOI: https://doi.org/10.2478/v10048-012-0036-3

This study presents the variations of photoplethysmogram (PPG) morphology with age. PPG measurement is done noninvasively at the index finger on both right and left hands for a sample of erectile dysfunction (ED) subjects. Some parameters are derived from the analysis of PPG contour showed in association with age. The age is found to be an important factor that affects the contour of PPG signals which accelerates the disappearance of PPG’s dicrotic notch and PPG’s inflection point as well. Arterial compliance is found to be degraded with age due to the fall of arterial elasticity. This study approaches the establishment of usefulness of PPG’s contour analysis as an investigator to the changes in the elastic properties of the vascular system, and as a detector of early sub-clinical atherosclerosis.

Keywords: Carotid intima-media thickness; contour analysis; erectile dysfunction; photoplethysmogram; reflection index; stiffness index

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About the article

Published Online: 2012-12-15

Published in Print: 2012-12-01

Citation Information: Measurement Science Review, ISSN (Online) 1335-8871, DOI: https://doi.org/10.2478/v10048-012-0036-3. Export Citation

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