Photoplethysmographic pulse amplitude response to flow mediated dilation

Rosmina Jaafar, E. Zahedi, M. A. Mohd Ali, A. L. Mohamed, Oteh Maskon

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

2 Citations (Scopus)

Abstract

In this paper, the photoplethysmographic (PPG) pulse amplitude response to flow-mediated dilation (FMD) is investigated. Vessel dilation is induced in the right-arm brachial artery (BA) in response to a shear force due to the sudden opening of the BA following supra-systolic blockage of blood supply for 4 minutes. The diameter of the BA is recorded through ultrasound imaging measurement before and after blockage. Concurrently, PPG of the left and right index fingers are recorded before blood occlusion (baseline) and after release. Results on ten human subjects (age 49.7 ± 10.4 years, range 34-64 years) show that the PPG pulse amplitude measured at the finger of the stimulated arm shows a very distinctive pattern associated to the FMD in the conducting artery. A potential application for the proposed technique is the evaluation of the vascular endothelial function, using a significantly lower-cost and less operator-dependent alternative to conventional ultrasound-FMD.

Original languageEnglish
Title of host publicationIFMBE Proceedings
PublisherSpringer Verlag
Pages423-426
Number of pages4
Volume15
ISBN (Print)9783540680161
Publication statusPublished - 2007
Event3rd Kuala Lumpur International Conference on Biomedical Engineering, Biomed 2006 - Kuala Lumpur
Duration: 11 Dec 200614 Dec 2006

Other

Other3rd Kuala Lumpur International Conference on Biomedical Engineering, Biomed 2006
CityKuala Lumpur
Period11/12/0614/12/06

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Blood
Ultrasonics
Imaging techniques
Costs

Keywords

  • Endothelium
  • Flow-mediated dilation
  • Photoplethysmography
  • Reactive hyperemia

ASJC Scopus subject areas

  • Biomedical Engineering
  • Bioengineering

Cite this

Jaafar, R., Zahedi, E., Mohd Ali, M. A., Mohamed, A. L., & Maskon, O. (2007). Photoplethysmographic pulse amplitude response to flow mediated dilation. In IFMBE Proceedings (Vol. 15, pp. 423-426). Springer Verlag.

Photoplethysmographic pulse amplitude response to flow mediated dilation. / Jaafar, Rosmina; Zahedi, E.; Mohd Ali, M. A.; Mohamed, A. L.; Maskon, Oteh.

IFMBE Proceedings. Vol. 15 Springer Verlag, 2007. p. 423-426.

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

Jaafar, R, Zahedi, E, Mohd Ali, MA, Mohamed, AL & Maskon, O 2007, Photoplethysmographic pulse amplitude response to flow mediated dilation. in IFMBE Proceedings. vol. 15, Springer Verlag, pp. 423-426, 3rd Kuala Lumpur International Conference on Biomedical Engineering, Biomed 2006, Kuala Lumpur, 11/12/06.
Jaafar R, Zahedi E, Mohd Ali MA, Mohamed AL, Maskon O. Photoplethysmographic pulse amplitude response to flow mediated dilation. In IFMBE Proceedings. Vol. 15. Springer Verlag. 2007. p. 423-426
Jaafar, Rosmina ; Zahedi, E. ; Mohd Ali, M. A. ; Mohamed, A. L. ; Maskon, Oteh. / Photoplethysmographic pulse amplitude response to flow mediated dilation. IFMBE Proceedings. Vol. 15 Springer Verlag, 2007. pp. 423-426
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