| Pressure Indices in Peripheral Arterial Disease Assessed by Infrared Photosensors. | |
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MedLine Citation:
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PMID: 22649111 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Ankle-brachial index (ABI) assessment by Doppler is operator dependent and limited in calcified arteries. For the detection of peripheral arterial disease (PAD), we evaluated ABI and toe-finger (ToFi) pressures by infrared (IR) sensors at the digits and compared with standard Doppler (Doppler-ABI) in 100 patients with PAD and in 15 controls. Pressure indices were obtained in 86% for Doppler-ABI, 82% for IR-ABI, and 94% for IR-ToFi (P < .01). According to Bland-Altmann analysis, IR-ABI and Doppler-ABI are exchangeable (limits of agreement [loa] -0.30; 0.30, bias -0.003, 95% confidence interval [CI] -0.02; 0.02), whereas IR-ToFi was not (loa -0.23; 0.61, bias of 0.2, 95% CI 0.16; 0.23). The IR-ToFi revealed the best inter- and intrarater agreement (0.92/0.98) followed by IR-ABI (0.74/0.98) and Doppler-ABI (0.66/0.89). Ankle-brachial arterial pressure index can be assessed by IR photosensors. Although toe-finger index is not exchangeable with standard Doppler, it will need further exploration to define its value for the diagnosis of PAD due to its excellent inter- and intrarater agreement. |
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Authors:
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Charlotte Emler; Vincenzo Jacomella; Kaspar Rufibach; Christoph Thalhammer; Beatrice R Amann-Vesti; Marc Husmann |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-5-30 |
Journal Detail:
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Title: Angiology Volume: - ISSN: 1940-1574 ISO Abbreviation: - Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-5-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0203706 Medline TA: Angiology Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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