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The utility of pulse volume waveforms in the identification of lower limb arterial insufficiency

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Author
Davies, Jane H.
Lewis, Jane E. A.
Williams, E. Mark
Date
2014-10-01
Type
Article
Publisher
EWMA
ISSN
1609-2759
Metadata
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Abstract
Background: The ankle brachial index is widely used for non-invasive assessment of lower limb arterial status, but has recognised limitations. The most significant limitation involves arterial calcification, which results in artefactually raised occlusion pressures and uninformative ankle brachial indices. Hypothesis: Analysis of the pulse volume waveform is useful for identification of lower limb arterial insufficiency in the presence of arterial calcification. Method: Individuals (n = 1101) registered at a Welsh general practice were invited to undergo cardiovascular risk assessment. The ankle brachial index was measured using an automated device utilising volume plethysmography and the traditional Doppler ultrasound method. Results: Eight percent of participants (30/368) had an ankle brachial index ≥1.3, suggesting possible arterial calcification; consideration of the pulse volume waveform in these cases identified possible mild peripheral arterial disease in three cases (10%). Furthermore, in one case, the ankle brachial indices were within the normal range, but the pulse volume waveforms suggested a moderate degree of arterial insufficiency; this participant was subsequently diagnosed with bilateral superficial femoral artery stenoses and treated accordingly. Conclusion: Pulse volume waveforms can be easily utilised as an adjunct to ankle brachial index measurement to identify patients who may benefit from further vascular assessment and intervention.
Journal/conference proceeding
EWMA Journal
Citation
Davies, J.H., Lewis, E.A. and Williams, E.M. (2014) 'The utility of pulse volume waveforms in the identification of lower limb arterial insufficiency', EWMA Journal, 14 (2), pp. 21-25.
URI
http://old.ewma.org/fileadmin/user_upload/EWMA/pdf/journals/Scientific_articles/Articles_October_2014/Davies_Jane_The_utility_of_pulse_volume_waveforms.pdf
http://hdl.handle.net/10369/8143
Description
This article was published in EWMA Journal in October 2014, available open access online at http://old.ewma.org/fileadmin/user_upload/EWMA/pdf/journals/Scientific_articles/Articles_October_2014/Davies_Jane_The_utility_of_pulse_volume_waveforms.pdf
Rights
http://www.rioxx.net/licenses/all-rights-reserved
Sponsorship
Knowledge Economy Skills Scholarship (KESS). This is a major European Convergence programme led by Bangor University on behalf of the HE sector in Wales. Benefiting from European Social Funds (ESF), KESS supports collaborative research projects (in this case, University of South Wales and Huntleigh Healthcare).
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  • Health and Risk Management [392]

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