• Mosquera-Fernández Abián, Balboa-Barreiro Vanesa, Bellido-Guerrero Diego, González-Sagrado Manuel, Vale-Carrodeguas Maria, Veiga-Seijo Raquel, and González-Martín Cristina.
• Department of Health Sciences. Faculty of Nursing and Podiatry. University of A Coruña (UDC) Ferrol Campus, 15471, Ferrol, Spain.
• Int J Med Sci. 2021 Jan 1; 18 (13): 277627822776-2782.

AbstractObjectives: To determine the of undiagnosed lower extremity artery disease using the pulse oximetry in a type 2 diabetic population sample. Methods: Observational, cross-sectional, descriptive study that included 594 type 2 diabetic patients, with no previous history of lower extremity artery disease. Medical history, physical examination, determination of the ankle-brachial index (portable Doppler) and measurement of oxygen saturation in upper and lower extremities (pulse oximeter) were performed. Results: Frequency of lower extremity artery disease determined by ankle-brachial index was 18.4%. No significant correlations were detected between oxygen saturation and the ankle-brachial index except for the relationship between ankle-brachial index vs. oxygen saturation at 30 cm lower limb elevation vs. the supine position at no elevation (0 cm) in subjects under the age of 40. Pulse oximetry showed little diagnostic value in the screening of lower extremity artery disease. A relationship between lower extremity artery disease and age has been found. Its diagnosis was associated with a lower body mass index and lower systolic blood pressure in the lower extremities and higher in the upper extremities. Conclusions: We conclude that pulse oximetry is not useful in the screening for asymptomatic lower extremity artery disease in type 2 diabetics.© The author(s).

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