The analysis of PPG morphology: Investigating the effects of aging on arterial compliance
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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.
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Yousef et al. found that there is no significant increase in pulse magnitude measured at the index finger with an increase in age.
“In a study with participants ranging in age from 30 to 60+, Yousef et al. found that there is no significant increase in pulse magnitude measured at the index finger with an increase in age.”
From Sources of inaccuracy in photoplethysmography for continuous cardiovascular monitoring (2021) · cites this paper as [88]
This work suggests that the decrease in vessel compliance will contribute more to variations in a PPG waveform than other effects of aging.
“This work suggests that the decrease in vessel compliance will contribute more to variations in a PPG waveform than other effects of aging [88].”
From Sources of inaccuracy in photoplethysmography for continuous cardiovascular monitoring (2021) · cites this paper as [88]
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- Authors
- Yousef, Q., Reaz, M. B. I., & Ali, M. A. M.
- Affiliations
- Taibah University (SA)
- National University of Malaysia (MY)
- Venue
- Measurement Science Review
- Publisher
- Walter de Gruyter GmbH
- Published
- 2012-01-01
- Volume
- 12
- Issue
- 6
- ISSN
- 1335-8871 (ISSN-L)
- OpenAlex
- W2014822627
- Cited by
- 126
- References
- 21
- Citations by year
- 2026: 4 · 2025: 11 · 2024: 11 · 2023: 20 · 2022: 23 · 2021: 17 · 2020: 8 · 2019: 9 · 2018: 9 · 2017: 5 · 2016: 3 · 2015: 6
- FWCI
- 1.09
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by-nc-nd
- Locations
- Measurement Science Review (publishedVersion, cc-by-nc-nd)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
- Keywords
- photoplethysmogram, aging, arterial compliance, arterial elasticity, dicrotic notch, inflection point, erectile dysfunction, subclinical atherosclerosis, vascular elasticity
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