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Annals of Vascular Surgery

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01.03.2006 | General Review

Measurement, Calculation, and Normal Range of the Ankle-Arm Index: A Bibliometric Analysis and Recommendation for Standardization

verfasst von: Steven Klein, MD, J. Joris Hage, MD, PhD

Erschienen in: Annals of Vascular Surgery | Ausgabe 2/2006

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Abstract

Since its introduction in 1950, a variety of methods of measurement and calculation have been used to establish the ankle-arm index (AAI). This has resulted in variations of its normal range and difficulty in comparing study results. Hence, the objective of our study was to analyze the disparate methods used to assess AAI and its normal range and to recommend a standardized method to assess AAI based on that analysis. We made an inventory of the disparate AAI methods and its normal range reported in 100 randomly selected publications and recommend the means of such standardization. We recommend that an experienced observer assess AAI with the patient at rest in the supine position. The width of the sphygmometer cuffs should be 1.5 times that of the extremity to be measured, and brachial and crural pulses should be detected using a Doppler device. Systolic pressures should be measured at both arms and over the anterior and posterior arteries of both legs, with the cuff placed just proximally to the malleoli. The left arm pressure ought to be used as denominator and the mean of pressures of both crural arteries of each leg ought to be used for the numerator of the AAI for that leg. We advocate 0.90 as the cut-off value to distinguish patients who need further arterial assessment.

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Titel: Measurement, Calculation, and Normal Range of the Ankle-Arm Index: A Bibliometric Analysis and Recommendation for Standardization
verfasst von: Steven Klein, MD
J. Joris Hage, MD, PhD
Publikationsdatum: 01.03.2006
Verlag: Springer-Verlag
Erschienen in: Annals of Vascular Surgery / Ausgabe 2/2006
Print ISSN: 0890-5096
Elektronische ISSN: 1615-5947
DOI: https://doi.org/10.1007/s10016-006-9019-x

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