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Journal of AIDS & Clinical Research

ISSN: 2155-6113

Open Access

Prevalence and Risk Factors for Opportunistic Infections in HIV Patients Receiving Antiretroviral Therapy in a Resource-Limited Setting in Nigeria

Abstract

Michael O Iroezindu, Eugenia O Ofondu, Harry Hausler and Brian Van Wyk

Background: The introduction of Highly Active Antiretroviral Therapy (HAART) has led to decline in HIV-related opportunistic infections in high-income settings. We determined the prevalence and risk factors for opportunistic infections among patients receiving HAART in a resource-limited setting in Nigeria.

Methodology: A descriptive and analytical cross-sectional study among adult HIV-infected patients receiving HAART for a median duration of 3 years at the Federal Medical Centre, Owerri, Nigeria was conducted. Data on pre- HAART socio-demographic, clinical and laboratory characteristics were obtained. Post-HAART data were collected through history, physical examination and laboratory investigations.

Result: The mean age of the participants was 41.1 ± 10.0 years; and females were in the majority (65.8%). Half (50.4%) belonged to the lower socio-economic class. At baseline (pre-HAART), 72.3% of the participants belonged to World Health Organization (WHO) clinical stage 1 or 2. The median pre-HAART CD4 cell count of the patients was 200 (110-263) cells/μl while the median post-HAART CD4 cell count was 357 (211-496) cells/μl. The majority (77.6%) were adherent on HAART. Out of 339 patients, 76 (22.4%) had opportunistic infections. The leading conditions were candidiasis (8.6%), tuberculosis (7.7%), dermatitis (5.6%), chronic diarrhea (1.5%) and sepsis (1.5%). The independent risk factors for opportunistic infections were household income < 20,000 (Adjusted odds ratio [AOR] = 2.70, 95% CI 1.18-6.18), advanced baseline WHO clinical stage (AOR=9.49, 95% CI 4.20-21.42), baseline hemoglobin <10 g/dl (AOR= 3.50, 95% CI 1.47-8.36), post-HAART CD4 cell count <200 cells/μl (AOR= 3.43, 95% CI 1.49-7.92), and HAART non-adherence (AOR= 5.28, 95% CI 2.52-11.08).

Conclusion: Opportunistic infections remain a challenge in patients receiving HAART in resource-limited settings. There is need to intensify the management of opportunistic infections despite HAART use.

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