|Assessment of lower extremity peripheral arterial disease using a novel automated optical device.|
|PMID: 18166634 Owner: NLM Status: MEDLINE|
|The resting ankle-brachial pressure index (rABPI) is used in the diagnosis of lower extremity peripheral arterial disease (PAD) in symptomatic and asymptomatic patients. This article compares the rABPI with a new optical device based on photoplethysmograph (PPG) technology with new algorithms for the assessment of PAD. Functional PPG (fPPG) is a promising noninvasive automated device using a novel cuffless functional test for assessing mild or significant PAD without the operator dependency issues associated with rABPI. This system utilizes both changes in pulsatile arterial blood volume and skin color redness in lower limbs. All subjects underwent rABPI, fPPG, and duplex angiography (DA). Significant correlation was found between fPPG and DA scores, rABPI and DA, and fPPG and rABPI. In the hands of operators with little experience, fPPG may prove to be superior to rABPI and may be useful as a simple screening tool for early detection of PAD in primary care.|
|Mohamad E Alnaeb; Adrien Boutin; Vincent P Crabtree; Dimitri P Mikhailidis; Alexander M Seifalian; George Hamilton|
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|Type: Comparative Study; Journal Article|
|Title: Vascular and endovascular surgery Volume: 41 ISSN: 1538-5744 ISO Abbreviation: Vasc Endovascular Surg Publication Date: 2007 Dec-2008 Jan|
|Created Date: 2008-01-01 Completed Date: 2008-02-14 Revised Date: 2008-11-21|
Medline Journal Info:
|Nlm Unique ID: 101136421 Medline TA: Vasc Endovascular Surg Country: United States|
|Languages: eng Pagination: 522-7 Citation Subset: IM|
|Vascular Unit, Royal Free Hampstead NHS Trust Hospital, London.|
|APA/MLA Format Download EndNote Download BibTex|
Aged, 80 and over
Ankle / blood supply
Blood Pressure Determination
Brachial Artery / physiopathology
Lower Extremity / blood supply*
Optics and Photonics / instrumentation*
Peripheral Vascular Diseases / diagnosis*, physiopathology, ultrasonography
Photoplethysmography / instrumentation*
Predictive Value of Tests
Sensitivity and Specificity
Skin / blood supply
Toes / blood supply
Ultrasonography, Doppler, Duplex
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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