Correlation Between Ankle Brachial Index and Lower Limbs Digital Pulse Oximetry: A Referral Center Experience, Prevalence Study

Curēus
Juan SanjuanFrancisco J Montoya

Abstract

Objective Ankle-brachial index (ABI) is widely recommended and used to evaluate peripheral arterial disease. The oxygen saturation (SpO2) has been associated with ABI, showing a promising clinical practice utility; however, little literature regarding this matter has been reported. This study aims to assess the correlation between pulse oximetry and ABI.  Methods A cross-sectional study was conducted using ABI measuring devices, such as the MESI® Ankle Brachial Pressure Index (ABPI) (MESI, Ltd., Slovenia, EU) and pulse oximetry. We compared the SpO2 distribution by using the Wilcoxon test and evaluated its correlation by using logistic regression.  Results From a total of 86 patients, 54 were males (62.8%) and the median age was 54 years old (interquartile range (IQR) = 37 - 65 yrs.). Regarding ABI measurements of the right lower limb (RLL), a total of 20 patients (22.3%) had an abnormal classification. On the other hand, a total of 21 patients (22.1%) had an abnormal classification of the left lower limb (LLL) ABI measurements. The distribution of SpO2 in relation to ABI categories was not statistically different (RLL p = 0.2433; LLL p = 0.1242). The SpO2 classification of ABI and abnormal pulse oximetry for the RLL was at 76....Continue Reading

Methods Mentioned

BETA
amputations

Software Mentioned

Stata®

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