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  • 1
    In: AIDS, Ovid Technologies (Wolters Kluwer Health), Vol. 37, No. 5 ( 2023-04-1), p. 789-794
    Abstract: People with HIV (PWH) are increasingly experiencing non-communicable complications, including renal impairment, which are associated with worse clinical outcomes. Limited information exists surrounding renal impairment in paediatric PWH, of which the majority live in sub-Saharan Africa, and further information is required to guide clinical practice. This study describes the prevalence of new or worsening renal impairment in adolescents commencing antiretroviral therapy (ART) in Zimbabwe and associated risk factors. Design: Retrospective cohort study. Methods: Data were collected between January 2010 to January 2019 from the medical records of adolescents aged 12–17 years initiating ART at an outpatient HIV clinic in Zimbabwe. Renal function (estimated glomerular filtration rate, eGFR) was calculated using the Full Age Spectrum formula. Proteinuria was defined as a single urine dipstick score of ≥1+. Potential predictors of renal impairment at follow-up were assessed by logistical regression. Results: Two hundred and sixty-six adolescents were included in analysis. Baseline renal impairment (eGFR 〈 90 ml/min/1.73 m 2 ) and proteinuria were present in 13% and 7% of the cohort, respectively. After a median of 4.1 years (interquartile range: 1.9–6.9) following ART commencement, mean eGFR increased by 10 ml/min/1.73 m 2 ( P   〈  0.01), and the prevalence of renal impairment decreased to 8% ( P   〈  0.01). Baseline renal impairment predicted renal impairment at follow-up (odds ratio [OR] 8.98; 95% confidence interval [CI] 2.81–28.68; P   〈  0.01). Proteinuria trended towards association with renal impairment at follow-up (OR 4.39; 95% CI 0.95–20.31; P  = 0.06). Conclusions: Renal impairment is common in adolescent ART-naïve PWH, and baseline renal impairment is associated with longstanding renal impairment, whereas baseline proteinuria trended towards an association with longstanding renal impairment.
    Type of Medium: Online Resource
    ISSN: 0269-9370 , 1473-5571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2012212-3
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  • 2
    In: BMC Nephrology, Springer Science and Business Media LLC, Vol. 24, No. 1 ( 2023-05-08)
    Abstract: Renal impairment in people living with HIV (PWH) in Sub-Saharan Africa is common and associated with increased morbidity and mortality. The ideal equation to estimate glomerular filtration rate (eGFR) in this population remains unclear. That which best predicts clinical risk may be the most appropriate while validation studies are awaited. Here we compare the Cockcroft-Gault (CG), Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI[ASR]) and the CKD-EPI equation with the race coefficient removed (CKD-EPI[AS] ), in a population of anti-retroviral therapy (ART) naïve PWH in Zimbabwe to assess which equation best predicts mortality. Methods A retrospective cohort study of treatment naïve PWH at the Newlands Clinic in Harare, Zimbabwe was completed. The study included all patients commencing ART between 2007 and 2019. Predictors of mortality were assessed by multivariable logistic regression. Results A total of 2991 patients were followed-up for a median of 4.6 years. The cohort was 62.1% female, with 26.1% of patients having at least one comorbidity. The CG equation identified 21.6% of patients as having renal impairment compared with 17.6% with CKD-EPI[AS] and 9.3% with CKD-EPI[ASR] . There was a mortality rate of 9.1% across the study period. The highest mortality risk was seen in those with renal impairment as determined by the CKD-EPI[ASR] equation for both eGFR  〈  90 and eGFR  〈  60 with OR 2.97 (95%CI 1.86–4.76) and OR 10.6 (95%CI 3.15–18.04) respectively. Conclusion In treatment naïve PWH in Zimbabwe, the CKD-EPI[ASR] equation identifies patients at highest risk of mortality when compared to the CKD-EPI[AS] and CG equations.
    Type of Medium: Online Resource
    ISSN: 1471-2369
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2041348-8
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  • 3
    In: HIV Medicine, Wiley, Vol. 23, No. 9 ( 2022-10), p. 1002-1006
    Abstract: Renal disease prevalence varies widely amongst reported cohorts of people living with HIV (PLWHIV) in sub‐Saharan Africa. Renal function testing is not routine in those commencing antiretroviral therapy (ART) in the region, however. Further data on renal disease prevalence and the change associated with ART use are therefore needed. Aim To explore changes in renal function and associated predictors after 1 year of ART in an adult cohort of PLWHIV from Zimbabwe. Methods A retrospective analysis of patients who attended the Newlands Clinic between January 2007 and September 2019. Eligible patients were aged ≥18 years and had measures of serum creatinine at baseline and after 1 year of ART. Predictors of renal function change were assessed by multiple linear regression. Results 1729 patients were eligible for inclusion. Median age was 36 years (IQR 30–43) and 62.8% were female. After 1 year of ART, the proportion of patients with an estimated glomerular filtration rate (eGFR) 〈 60 ml/min/1.73 2 did not significantly change (2.0% vs. 1.2%; p  = 0.094), but there was a decrease in the proportion of patients with proteinuria (11.0% vs. 5.6%; p   〈  0.001). Hypertension (B = −6.43; 95% CI −8.97 to −3.89; p   〈  0.001) and baseline proteinuria (B = −7.33; 95% CI −10.25 to −4.42; p   〈  0.001) were negative predictors of change in eGFR from baseline, whereas diabetes status was not associated ( p  = 0.476). Conclusion Proteinuria was common, but its prevalence halved after 1 year of ART. Screening for hypertension could be a simple way to identify patients at risk of renal function decline.
    Type of Medium: Online Resource
    ISSN: 1464-2662 , 1468-1293
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2020341-X
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  • 4
    In: AIDS Research and Therapy, Springer Science and Business Media LLC, Vol. 19, No. 1 ( 2022-12)
    Abstract: People living with HIV (PLWHIV) commencing antiretroviral therapy (ART) in sub-Saharan Africa experience significant mortality within the first year. Previously, identified risk factors for mortality may be biased towards these patients, as compared to those who experience late mortality. Aim To compare risk factors for early and late mortality in PLWHIV commencing ART. Methods A retrospective cohort study of ART-naïve patients aged ≥ 18 years from an outpatient HIV clinic in Zimbabwe. Data were collected between January 2010 and January 2019. Predictors for early (≤ 1 year) and late mortality ( 〉  1 year) were determined by multivariable cox proportional hazards analyses, with patients censored at 1 year and landmark analysis after 1 year, respectively. Results Three thousand and thirty-nine PLWHIV were included in the analysis. Over a median follow-up of 4.6 years (IQR 2.5–6.9), there was a mortality rate of 8.8%, with 50.4% of deaths occurring within 1 year. Predictors of early mortality included CD4 count  〈  50 cells/µL (HR 1.84, 95% CI 1.24–2.72, p  〈  0.01), WHO Stage III (HR 2.05, 95% CI 1.28–3.27, p  〈  0.01) or IV (HR 2.83, 95% CI 1.67–4.81, p  〈  0.01), and eGFR  〈  90 mL/min/1.73 m 2 (HR 2.48, 95% CI 1.56–3.96, p  〈  0.01). Other than age (p  〈  0.01), only proteinuria (HR 2.12, 95% CI 1.12–4.01, p = 0.02) and diabetes mellitus (HR 3.51, 95% CI 1.32–9.32, p = 0.01) were associated with increased risk of late mortality. Conclusions Traditional markers of mortality risk in patients commencing ART appear to be limited to early mortality. Proteinuria and diabetes are some of the few predictors of late mortality, and should be incorporated into routine screening of patients commencing ART.
    Type of Medium: Online Resource
    ISSN: 1742-6405
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2173450-1
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  • 5
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2021
    In:  AIDS Vol. 35, No. 5 ( 2021-04-1), p. 843-845
    In: AIDS, Ovid Technologies (Wolters Kluwer Health), Vol. 35, No. 5 ( 2021-04-1), p. 843-845
    Type of Medium: Online Resource
    ISSN: 0269-9370 , 1473-5571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 2012212-3
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  • 6
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2022
    In:  AIDS Vol. 36, No. 5 ( 2022-04-1), p. 631-636
    In: AIDS, Ovid Technologies (Wolters Kluwer Health), Vol. 36, No. 5 ( 2022-04-1), p. 631-636
    Abstract: People with HIV (PWH) 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 at least 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: Three thousand and thirty-nine patients were eligible for inclusion. Most were female (62.1%), with a median age of 36 years (IQR 30–43). At baseline, 7.3% had an estimated glomerular filtration rate (eGFR) 90 ml/min per 1.73 m 2 or less and 11.4% had proteinuria. Over a median follow-up period of 4.6 years (IQR 2.5–6.9), 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 per 1.73 m 2 [hazard ratio 2.22, 95% confidence interval (CI) 1.46–3.33, P   〈  0.001] and proteinuria (hazard ratio 2.10, 95% CI 1.35–3.27, 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.
    Type of Medium: Online Resource
    ISSN: 0269-9370 , 1473-5571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 2012212-3
    Location Call Number Limitation Availability
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