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Gaceta Médica Boliviana

versión impresa ISSN 1012-2966versión On-line ISSN 2227-3662


ANTEZANA-LLAVETA, Gabriela; AYALA-ELIAS, Zeila  y  VELASQUEZ-CASTANOS, María Reneé. Ankle-Brachial Index as a Determinant of Peripheral Obstructive Arterial Disease in Older Adults. Gac Med Bol [online]. 2021, vol.44, n.2, pp.162-166. ISSN 1012-2966.

Peripheral obstructive arterial disease is a clinical entity closely related to frequent pathologies in our environment, which if not identified and treated early can cause serious complications including the development of chronic ulcers, intermittent claudication and amputation. The measurement of the ankle-brachial index by portable Doppler ultrasound is a non-invasive, fast, simple, reliable technique of great interest that offers high sensitivity and specificity to diagnose this disease.


the present study aims to determine the prevalence of peripheral obstructive arterial disease as determined by the ankle-brachial index in adults over 60 years of age attending the Capacachi Health Center, from October 1 to December 31, 2020.


a descriptive, cross-sectional and prospective study was carried out; the ankle-brachial index was calculated in 176 patients over 60 years of age; patients with deep and/or superficial venous thrombosis, phlebitis, lymphangitis, with open wounds in the area where the echo-Doppler transducer was placed, who had undergone peripheral arterial revascularization or patients taking anticoagulants or antiplatelet agents were excluded.


of the 176 patients studied, 73 patients had an ankle-brachial index <0.9 and therefore had the disease. The prevalence of peripheral obstructive arterial disease was 41.48%.


the study established that the ankle-brachial index is useful as a screening method to diagnose peripheral obstructive arterial disease in primary care centers, allowing us to perform secondary prevention at a low cost and in a bloodless manner.

Palabras clave : peripheral artery disease; ankle-brachial index; prevalence; screening.

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