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. 2010 Jul 1;11(6):353-9.
doi: 10.1111/j.1468-1293.2009.00784.x. Epub 2010 Mar 15.

Serum lipid profile in highly active antiretroviral therapy-naïve HIV-infected patients in Cameroon: a case-control study

N F Nguemaïm  1 , J Mbuagbaw, T Nkoa, G Alemnji, G Této, T C Fanhi, T Asonganyi, A Samé-Ekobo
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Free article

Serum lipid profile in highly active antiretroviral therapy-naïve HIV-infected patients in Cameroon: a case-control study

N F Nguemaïm et al. HIV Med. .
Free article

Abstract

Background: HIV status has commonly been found to affect the serum lipid profile.

Objectives: The aim of this study was to determine the effect of HIV infection on lipid metabolism; such information may be used to improve the management of HIV-infected patients.

Methods: Samples were collected from December 2005 to May 2006 at Yaounde University Teaching Hospital, Yaounde, Cameroon. Lipid parameters were obtained using colorimetric enzyme assays, while low-density lipoprotein cholesterol (LDLC) values were calculated using the formula of Friedewald et al. (1972) and atherogenicity index by total cholesterol (TC)/high-density lipoprotein cholesterol (HDLC) and LDLC/HDLC ratios.

Results: HIV infection was most prevalent in subjects aged 31 to 49 years. Most of the HIV-positive patients belonged to Centers for Disease Control and Prevention categories B (43.0%) and C (30.23%). Compared with control subjects, patients with CD4 counts<50 cells/microL had significantly lower TC (P<0.0001) and LDLC (P<0.0001) but significantly higher triglyceride (TG) values (P<0.001) and a higher atherogenicity index for TC/HDLC (P<0.01) and HDLC/LDLC (P=0.02); patients with CD4 counts of 50-199 cells/microL had significantly lower TC (P<0.001) and significantly higher TG values (P<0.001); patients with CD4 counts of 200-350 cells/microL had significantly higher TG (P=0.003) and a higher atherogenicity index for TC/HDLC (P<0.0002) and HDLC/LDLC (P=0.04); and those with CD4 counts >350 cells/microL had a higher atherogenicity index for TC/HDLC (P<0.0001) and HDLC/LDLC (P<0.001). HDLC was significantly lower in HIV-positive patients irrespective of the CD4 cell count. Lipid parameters were also influenced by the presence of opportunistic infections (OIs).

Conclusion: HIV infection is associated with dyslipidaemia, and becomes increasingly debilitating as immunodeficiency progresses. HDLC was found to be lower than in controls in the early stages of HIV infection, while TG and the atherogenicity index increased and TC and LDLC decreased in the advanced stages of immunodeficiency.

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