Document Detail

Photoplethysmography, an easy and accurate method for measuring ankle brachial pressure index: can photoplethysmography replace Doppler?
MedLine Citation:
PMID:  19640917     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To assess the accuracy of ankle brachial pressure index (ABPI) assessed by photoplethysmography (PPG) compared with continuous wave Doppler (CW-Doppler). METHODS: Ankle brachial pressure index was measured in a standard manner using both PPG and Doppler probes. For PPG-ABPI, a PPG probe was placed on the index finger and great toe, and a microcomputer determined the ABPI. These values were compared with the ABPI measured manually using an 8-MHz Doppler probe. Correlation and agreement between PPG and Doppler ABPI were assessed by Lin's correlation coefficient and Bland-Altman plots. RESULTS: In all, 133 claudicants were assessed. There was a strong correlation between the 2 ABPI methods (beta = .79 and 95% limits of agreement of -0.23 to 0.24). CONCLUSION: Measuring ABPI automatically using the PPG technique is an effective alternative for Doppler ABPI. PPG-ABPI is completely objective, fast, and accurate.
Nader Khandanpour; Matthew P Armon; Barbara Jennings; Allan Clark; Felicity J Meyer
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-07-29
Journal Detail:
Title:  Vascular and endovascular surgery     Volume:  43     ISSN:  1938-9116     ISO Abbreviation:  Vasc Endovascular Surg     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-12-31     Completed Date:  2010-03-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136421     Medline TA:  Vasc Endovascular Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  578-82     Citation Subset:  IM    
Norfolk and Norwich University Hospital NHS Trust, Vascular Surgery Unit, UK.
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MeSH Terms
Ankle / blood supply*
Blood Pressure*
Blood Pressure Determination / instrumentation,  methods*
Brachial Artery / physiopathology,  ultrasonography*
Intermittent Claudication / diagnosis*,  physiopathology,  ultrasonography
Middle Aged
Photoplethysmography* / instrumentation
Predictive Value of Tests
Reproducibility of Results
Ultrasonography, Doppler*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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