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Published on: June 11, 2011
Peripheral neuropathy in HIV-infected and uninfected patients in Rakai, Uganda
Deanna Saylor1, Gertrude Nakigozi2, Noeline Nakasujja2
1From the Department of Neurology (D.S., N.S.), Johns Hopkins University School of Medicine, Baltimore, MD; Rakai Health Sciences Program (G.N.), Kalisizo, Uganda; Department of Psychiatry (N.N.), Makerere University, Kampala, Uganda; Department of Neurology (K.R.), University of North Carolina-Chapel Hill; and Department of Epidemiology (R.H.G., M.J.W.), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD. deanna@jhmi.edu.
Objective:
To determine the prevalence, risk factors, and functional impairment associated with peripheral neuropathy in a prospective cohort of adults in rural Uganda.
Methods:
Eight hundred participants (400 HIV- and 400 antiretroviral-naive HIV+) in the Rakai Community Cohort Study underwent detailed neurologic evaluations including assessment of neuropathy symptoms, functional measures (Patient Assessment of Own Functioning Inventory and Karnofsky Performance Status scores), and neurologic evaluation by a trained medical officer. Neuropathy was defined as ≥1 subjective symptom and ≥1 sign of neuropathy on examination. Neuropathy risk factors were assessed using log binomial regression.
Results:
Fifty-three percent of participants were men, with a mean (SD) age of 35 (8) years. Neuropathy was present in 13% of the cohort and was more common in HIV+ vs HIV- participants (19% vs 7%, p < 0.001). Older age (relative risk [RR] 1.04, 95% confidence interval [CI] 1.02-1.06), female sex (RR 1.49, 95% CI 1.04-2.15), HIV infection (RR 2.82, 95% CI 1.86-4.28), tobacco use (RR 1.59, 95% CI 1.02-2.48), and prior neurotoxic medication use (RR 2.08, 95% CI 1.07-4.05) were significant predictors of neuropathy in the overall cohort. Only older age was associated with neuropathy risk in the HIV+ (RR 1.03, 95% CI 1.01-1.05) and HIV- (RR 1.06, 95% CI 1.02-1.10) cohorts. Neuropathy was associated with impaired functional status on multiple measures across all participant groups.
Conclusions:
Peripheral neuropathy is relatively common and associated with impaired functional status among adults in rural Uganda. Older age, female sex, and HIV infection significantly increase the risk of neuropathy. Neuropathy may be an underrecognized but important condition in rural Uganda and warrants further study.
