Document Detail

Contour analysis of the photoplethysmographic pulse measured at the finger.
MedLine Citation:
PMID:  16877944     Owner:  NLM     Status:  MEDLINE    
Analysis of the contour of the peripheral pulse to assess arterial properties was first described in the nineteenth century. With the recognition of the importance of arterial stiffness there has been a resurgence of interest in pulse wave analysis, particularly the analysis of the radial pressure pulse acquired using a tonometer. An alternative technique utilizes a volume pulse. This may conveniently be acquired optically from a finger (digital volume pulse). Although less widely used, this technique deserves further consideration because of its simplicity and ease of use. As with the pressure pulse, the contour of the digital volume pulse is sensitive to changes in arterial tone induced by vasoactive drugs and is influenced by ageing and large artery stiffness. Measurements taken directly from the digital volume pulse or from its second derivative can be used to assess these properties. This review describes the background to digital volume pulse contour analysis, how the technique relates to contour analysis of the pressure pulse, and current and future applications.
Sandrine C Millasseau; James M Ritter; Kenji Takazawa; Philip J Chowienczyk
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Journal of hypertension     Volume:  24     ISSN:  0263-6352     ISO Abbreviation:  J. Hypertens.     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2006-07-31     Completed Date:  2007-05-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8306882     Medline TA:  J Hypertens     Country:  England    
Other Details:
Languages:  eng     Pagination:  1449-56     Citation Subset:  IM    
Cardiovascular Division, King's College London School of Medicine, London, UK.
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MeSH Terms
Blood Pressure / physiology
Endothelium, Vascular / physiology
Fingers / blood supply*,  physiology
Manometry / methods,  trends
Photoplethysmography* / methods,  trends
Pulse* / methods,  trends
Signal Processing, Computer-Assisted
Vascular Resistance / physiology
Vasomotor System / physiology

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