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Lookup NU author(s): Dr David Price
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© 2021 The AuthorsBackground: Chronic kidney disease (CKD) is a leading cause of morbidity and mortality globally. The risk of CKD is increased in people of African ancestry and with Human Immunodeficiency Virus (HIV) infection. Methods: We conducted a cross-sectional study investigating the relationship between region of ancestry (East, Central, South or West Africa) and kidney disease in people of sub-Saharan African ancestry with HIV in the UK between May 2018 and February 2020. The primary outcome was renal impairment (estimated glomerular filtration rate [eGFR] of <60 mL/min/1.73 m2). Secondary outcomes were stage 5 CKD (eGFR <15 ml/min/1.73 m2, on dialysis for over 3 months or who had received a kidney transplant), proteinuria (urine protein/creatinine ratio >50 mg/mmol), and biopsy-confirmed HIV-associated nephropathy (HIVAN), focal segmental glomerulosclerosis (FSGS) or arterionephrosclerosis. Multivariable robust Poisson regression estimated the effect of region of African ancestry on kidney disease outcomes. Findings: Of the 2468 participants (mean age 48.1 [SD 9.8] years, 62% female), 193 had renal impairment, 87 stage 5 CKD, 126 proteinuria, and 43 HIVAN/FSGS or arterionephrosclerosis. After adjusting for demographic characteristics, HIV and several CKD risk factors and with East African ancestry as referent, West African ancestry was associated with renal impairment (prevalence ratio [PR] 2.06 [95% CI 1.40–3.04]) and stage 5 CKD (PR 2.23 [1.23–4.04]), but not with proteinuria (PR 1.27 [0.78–2.05]). West African ancestry (as compared to East/South African ancestry) was also strongly associated with a diagnosis of HIVAN/FSGS or arterionephrosclerosis on kidney biopsy (PR 6.44 [2.42–17.14]). Interpretation: Our results indicate that people of West African ancestry with HIV are at increased risk of kidney disease. Although we cannot rule out the possibility of residual confounding, geographical region of origin appears to be a strong independent risk factor for CKD as the association did not appear to be explained by several demographic, HIV or renal risk factors.
Author(s): Hung RKY, Santana-Suarez B, Binns-Roemer E, Campbell L, Bramham K, Hamzah L, Fox J, Burns JE, Clarke A, Vincent R, Jones R, Price DA, Onyango D, Harber M, Hilton R, Booth JW, Sabin CA, Winkler CA, Post FA
Publication type: Article
Publication status: Published
Journal: EClinicalMedicine
Year: 2021
Volume: 38
Print publication date: 01/08/2021
Online publication date: 07/07/2021
Acceptance date: 15/06/2021
ISSN (electronic): 2589-5370
Publisher: Lancet Publishing Group
URL: https://doi.org/10.1016/j.eclinm.2021.101006
DOI: 10.1016/j.eclinm.2021.101006
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