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Applied Optics

Applied Optics


  • Vol. 44, Iss. 10 — Apr. 1, 2005
  • pp: 1850–1857

Optical noninvasive monitoring of skin blood pulsations

Janis Spigulis  »View Author Affiliations

Applied Optics, Vol. 44, Issue 10, pp. 1850-1857 (2005)

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Time-resolved detection and analysis of skin backscattered optical signals (remission photoplethysmography or PPG) provide rich information on skin blood volume pulsations and can serve for reliable cardiovascular assessment. Single- and multiple-channel PPG concepts are discussed. Simultaneous data flow from several locations on the human body allows us to study heartbeat pulse-wave propagation in real time and to evaluate vascular resistance. Portable single-, dual-, and four-channel PPG monitoring devices with special software have been designed for real-time data acquisition and processing. The prototype devices have been clinically studied, and their potential for monitoring heart arrhythmias, drug-efficiency tests, steady-state cardiovascular assessment, body fitness control, and express diagnostics of the arterial occlusions has been confirmed.

© 2005 Optical Society of America

OCIS Codes
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(170.4580) Medical optics and biotechnology : Optical diagnostics for medicine

Original Manuscript: August 19, 2004
Revised Manuscript: November 2, 2004
Manuscript Accepted: November 5, 2004
Published: April 1, 2005

Janis Spigulis, "Optical noninvasive monitoring of skin blood pulsations," Appl. Opt. 44, 1850-1857 (2005)

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  1. A. B. Hertzman, “The blood supply of various skin areas as estimated by the photoelectric plethysmograph,” Am. J. Physiol. 124, 329–340 (1938).
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  7. J. Spigulis, M. Ozols, R. Erts, K. Prieditis, “A portable device for optical assessment of the cardiovascular condition,” in Advanced Optical Devices, Technologies, and Medical Applications, J. Spigulis, J. Teteris, M. Ozolonsh, A. Lusis, eds., Proc. SPIE5123, 313–319 (2003).
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