Renal function and associated mortality risk in adults commencing HIV antiretroviral therapy in Zimbabwe.

Drak, Douglas; Shamu, Tinei; Heron, Jack E; Chimbetete, Cleophas; Dahwa, Rumbi; Gracey, David M (2022). Renal function and associated mortality risk in adults commencing HIV antiretroviral therapy in Zimbabwe. AIDS, 36(5), pp. 631-636. Wolters Kluwer Health 10.1097/QAD.0000000000003153

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BACKGROUND

People living with HIV (PLWHIV) in sub-Saharan Africa appear to have a higher incidence of renal disease than other global regions, but data are limited. This renal impairment may be associated with an increased mortality risk.

AIMS

To define the prevalence of renal disease and explore its association with mortality risk in a cohort from Zimbabwe commencing antiretroviral therapy (ART) for HIV-infection.

METHODS

A retrospective study of all patients aged ≥18 years, commenced on ART for HIV-infection at the Newlands Clinic in Harare, Zimbabwe between January 2007 and September 2019 was conducted. Data were extracted from electronic medical records. Patients with no baseline creatinine measurement were excluded. Baseline characteristics were assessed as potential predictors for mortality by Cox proportional hazard regression.

RESULTS

3039 patients were eligible for inclusion. Most were female (62.1%), with a median age of 36 years (IQR 30 to 43). At baseline, 7.3% had an eGFR ≤90 mL/min/1.73m2 and 11.4% had proteinuria. Over a median follow-up period of 4.6 years (IQR 2.5 to 6.9), the mortality rate was 8.7%. One half of deaths (49.2%) occurred within the first year. In multivariable analysis, a baseline eGFR between 60 and 90 mL/min/1.73m2 (HR 2.22, 95%CI 1.46 to 3.33, p < 0.001) and proteinuria (HR 2.10, 95%CI 1.35 to 3.27, p < 0.001) were associated with increased mortality risk.

CONCLUSION

Baseline renal impairment was common. Both a reduced eGFR or proteinuria were independently associated with a doubling of mortality risk. These should serve as markers in the clinical setting of at-risk patients.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)

Graduate School:

Graduate School for Health Sciences (GHS)

UniBE Contributor:

Shamu, Tinei

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

1473-5571

Publisher:

Wolters Kluwer Health

Language:

English

Submitter:

Doris Kopp Heim

Date Deposited:

21 Dec 2021 18:10

Last Modified:

05 Dec 2022 15:58

Publisher DOI:

10.1097/QAD.0000000000003153

PubMed ID:

34923518

BORIS DOI:

10.48350/162927

URI:

https://boris.unibe.ch/id/eprint/162927

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