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Antiretroviral therapy alters lipid metabolism in HIV-infected patients. However, interpreting the impact of HIV infection on lipid metabolism is difficult because of various associated factors, including antiretroviral drugs and demographic characteristics. A few studies have associated HIV infection with lipid metabolism in antiretroviral-naïve HIV-infected patients. Because there were no data in this regard from Japan, the present study examined the impact of HIV infection, as well as demographic and clinical features, on lipid metabolism in antiretroviral-naïve HIV-infected patients in Japan. We performed a cross-sectional study to examine the impact of HIV disease, demographic and clinical characteristics on lipid metabolism among 168 HIV-infected Japanese men who were antiretroviral naïve and who did not have hemophilia, including patients who took medication for dyslipidemia. The mean age of the patients was 45.7 years; 0.6% of the patients took medication to dyslipidemia. The mean CD4 lymphocyte count was 289/μL, the mean baseline log10 HIV viral load was 4.2 HIV-1 RNA copies/mL, and 22% of the patients had a history of AIDS-defining events. A higher HDL-C concentration was associated with a higher CD4 lymphocyte count (p=0.043). Also, a higher LDL-C concentration was associated with a higher CD4 lymphocyte count (p=0.003). Infection with HIV was associated with dyslipidemia in antiretroviral-naïve patients. More advanced HIV disease was associated with less favorable lipid homeostatic profiles. These results are similar to findings from other countries.

AIM The aim was to investigate the respective associations between lifestyle and proteinuria and the estimated glomerular filtration rate (eGFR). METHODS The lifestyle habits of 25,493 middle-aged participants were investigated in a cross-sectional study to find habits that are associated with a low eGFR (

We performed a cross-sectional study that included 100 HIV-infected Japanese men without hemophilia to examine the influence of smoking on HIV infection. History of smoking was obtained using a questionnaire. The percentage of current smokers was 40% and was the highest (50%) among men in their forties. The mean Brinkman index (BI, number of cigarettes smoked per day multiplied by years of smoking) was 450. The percentage of patients with a BI ≥600 was significantly higher in patients with an AIDS-defining event than in those without an AIDS-defining event. A BI ≥600 was associated with an AIDS-defining event. Reducing smoking appears to be critical to enhancing disease management efforts in Japanese men with HIV.