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Prevalence and risk factors of peripheral artery disease in black Africans with HIV infection: a cross-sectional hospital-based study

Authors Kamdem F, Mapoure Y, Hamadou B, Souksouna F, Doualla MS, Jingi AM, Kenmegne C, Kemta Lekpa F, Kweban Fenkeu J, Imandy G, Nda Mefo’o JP, Luma H

Received 24 February 2018

Accepted for publication 21 September 2018

Published 6 December 2018 Volume 2018:14 Pages 401—408


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Pietro Scicchitano

Félicité Kamdem,1,2 Yacouba Mapoure,1,2 Ba Hamadou,3 Fanny Souksouna,2 Marie Solange Doualla,1,3 Ahmadou Musa Jingi,3 Caroline Kenmegne,1 Fernando Kemta Lekpa,1,4 Jaff Kweban Fenkeu,1 Gisèle Imandy,5 Jean Pierre Nda Mefo’o,2,5 Henry Luma1,3

1Internal Medicine Service, Douala General Hospital, Douala, Cameroon; 2Faculty of Medicine and Pharmaceutical Sciences, University of Douala, Douala, Cameroon; 3Department of Internal Medicine and Specialties, Faculty of Medicine and Biomedical Sciences, University of Yaounde 1, Yaounde, Cameroon; 4Faculty of Health Sciences, University of Buea, Buea, Cameroon; 5Chemical Pathology Laboratory, Douala General Hospital, Douala, Cameroon

Background: The prevalence of peripheral artery disease (PAD) is not well known among HIV-infected patients in Africa. The aim of this study was to determine the prevalence and associated risk factors of PAD among HIV-infected patients at the Douala General Hospital (DGH).
Methods: This was a cross-sectional descriptive and analytic study between November 2015 and April 2016. We recruited patients aged ≥21 years, diagnosed with HIV infection, and who were receiving care at the DGH. We collected sociodemographic data and past medical history of patients. We measured their ankle-brachial index (ABI). We defined PAD as an ABI <0.9. We also measured their fasting blood glucose and lipid profile.
Results: We recruited 144 patients for this study. The mean age was 46±9 years, and 72.2% were females. Of which, 89% were on antiretroviral treatment (ARV). Their mean CD4+ T lymphocytes count was 451±306 cells/mm3. Their mean ABI was 1.12±0.17 and 1.07±0.11, respectively, on the left and right legs (P>0.05). The prevalence of PAD was 6.9% (95% CI: 3.4–12.4), and 60% of patients with PAD were symptomatic. After adjusting for age, sex and ARV, ARV treatment was protective (aOR: 0.18, [95% CI: 0.04–0.82], P=0.034), while WHO stages III or IV was associated with PAD (aOR: 11.1, [95% CI: 2.19–55.92], P=0.004).
Conclusion: The prevalence of PAD was not as high as expected in this group of patients with high cardiovascular risk infected with HIV. Advanced HIV disease was associated with PAD, while ARV was protective.

Keywords: HIV, peripheral artery disease, prevalence, risk factors, Africa

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