| Accuracy of ankle-brachial index obtained by automated blood pressure measuring devices in patients with diabetes mellitus. | |
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MedLine Citation:
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PMID: 21397352 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Upper arm automated blood pressure devices are widely available and could be used to estimate the ankle-brachial index. METHODS: We conducted a trial to determine the equivalence of ankle-brachial index estimated by an upper arm blood pressure measuring device as index method compared to the handheld Doppler method as the reference standard. A total of 110 patients with diabetes mellitus were sequentially examined by two methods. RESULTS: The prevalence of peripheral arterial disease was 32%. The index method obtained valid measurements in 104 (95%) patients. Ankle-brachial index was lower with the index method compared to the reference standard (mean difference: -0.05; 95% confidence interval [CI]: -0.50 to 0.39). This confidence interval was above the boundaries clinically established as equivalence margins in our study. The kappa agreement between two methods was 0.45. The performance of the index method was: sensitivity: 67%; specificity: 87%; positive likelihood ratio: 5.25; negative likelihood ratio: 0.18; positive predictive value: 71%; negative predictive value: 85%; and the area under the receiving operating characteristic curve: 0.87 (95% CI: 0.78-0.93). CONCLUSION: Upper arm automated blood pressure measuring devices cannot replace the handheld Doppler method to estimate the ankle-brachial index in patients with diabetes mellitus. |
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Authors:
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Javier Ena; Teresa Lozano; Gema Verdú; Carlos R Argente; Victor L González |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-10 |
Journal Detail:
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Title: Diabetes research and clinical practice Volume: - ISSN: 1872-8227 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8508335 Medline TA: Diabetes Res Clin Pract Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Internal Medicine, Division of General Internal Medicine, Hospital Marina Baixa, Villajoyosa, Alicante, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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