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      Elevated risks of death for diabetes mellitus and cardiovascular diseases in Italian AIDS cases

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          Abstract

          After the introduction of highly active antiretroviral therapies (HAART), an increased incidence of insulin resistance, diabetes mellitus (DM), and cardiovascular diseases has been described. The impact of such conditions on mortality in the post-HAART era has been also assessed in various modes in the literature. In this paper, we report on the death risks for DM, myocardial infarction, and chronic ischemic heart diseases that were investigated among 9662 Italian AIDS cases diagnosed between 1999 and 2005. Death certificates reporting DM, myocardial infarction, and chronic ischemic heart diseases were reviewed to identify the underlying cause of death, and to compare the observed numbers of deaths with the expected ones from the sex- and age-matched, general population of Italy. Person-years at risk of death were computed from date of AIDS diagnosis up to date of death or to December 31, 2006. Standardized mortality ratios (SMR) and their 95% confidence intervals (CI) were computed. DM and cardiovascular diseases were the cause of death for 43 out of 3101 deceased AIDS cases (i.e., 1.4% of all deaths). In comparison with the general population, the risks of death were 6.4-fold higher for DM (95% CI:3.5-10.8), 2.3-fold higher for myocardial infarction (95% CI:1.4-3.7) and 3.0 for chronic ischemic heart diseases (95% CI: 1.5-5.2).

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          Causes of death among persons with AIDS in the era of highly active antiretroviral therapy: New York City.

          Monitoring the full spectrum of causes of death among persons with AIDS is increasingly important as survival improves because of highly active antiretroviral therapy. To describe recent trends in deaths due to HIV-related and non-HIV-related causes among persons with AIDS, identify factors associated with these deaths, and identify leading causes of non-HIV-related deaths. Population-based cohort analysis. New York City. All adults (age > or =13 years) living with AIDS between 1999 and 2004 who were reported to the New York City HIV/AIDS Reporting System and Vital Statistics Registry through 2004 (n = 68,669). Underlying cause of death on the death certificate. Between 1999 and 2004, the percentage of deaths due to non-HIV-related causes increased by 32.8% (from 19.8% to 26.3%; P = 0.015). The age-adjusted mortality rate decreased by 49.6 deaths per 10,000 persons with AIDS (P < 0.001) annually for HIV-related causes but only by 7.5 deaths per 10 000 persons with AIDS (P = 0.004) annually for non-HIV-related causes. Of deaths due to non-HIV-related causes, 76% could be attributed to substance abuse, cardiovascular disease, or a non-AIDS-defining type of cancer. Compared with men who have sex with men, injection drug users had a statistically significantly increased risk for death due to HIV-related causes (hazard ratio, 1.59 [95% CI, 1.49 to 1.70]) and non-HIV-related causes (hazard ratio, 2.54 [CI, 2.24 to 2.87]). Compared with autopsy and chart review, death certificates may lack specificity in the underlying cause of death or detailed clinical and treatment-related information. Non-HIV-related causes of death account for one fourth of all deaths of persons with AIDS. Cardiovascular disease, non-AIDS-defining cancer, and substance abuse account for most non-HIV-related deaths. Reducing deaths from these causes requires a shift in the health care model for persons with AIDS from a primary focus on managing HIV infection to providing care that addresses all aspects of physical and mental health.
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            HIV infection and the risk of diabetes mellitus.

            The influence of HIV infection on the risk of diabetes is unclear. We determined the association and predictors of prevalent diabetes mellitus in HIV infected and uninfected veterans. We determined baseline prevalence and risk factors for diabetes between HIV infected and uninfected veterans in the Veterans Aging Cohort Study. Logistic regression was used to determine the odds of diabetes in HIV infected and uninfected persons. We studied 3227 HIV-infected and 3240 HIV-uninfected individuals. HIV-infected individuals were younger, more likely to be black males, have HCV coinfection and a lower BMI. HIV-infected individuals had a lower prevalence of diabetes at baseline (14.9 vs. 21.4%, P < 0.0001). After adjustment for known risk factors, HIV-infected individuals had a lower risk of diabetes (odds ratio = 0.84, 95% confidence interval = 0.72-0.97). Increasing age, male sex, minority race, and BMI were associated with an increased risk. The odds ratio for diabetes associated with increasing age, minority race and BMI were greater among HIV-infected veterans. HCV coinfection and nucleoside and nonnucleoside reverse transcriptase inhibitor therapy were associated with a higher risk of diabetes in HIV-infected veterans. Although HIV infection itself is not associated with increased risk of diabetes, increasing age; HCV coinfection and BMI have a more profound effect upon the risk of diabetes among HIV-infected persons. Further, long-term ARV treatment also increases risk. Future studies will need to determine whether incidence of diabetes mellitus differs by HIV status.
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              Factors associated with the incidence of type 2 diabetes mellitus in HIV-infected participants in the Swiss HIV Cohort Study.

              Human immunodeficiency virus (HIV)-infected persons may be at increased risk for developing type 2 diabetes mellitus because of viral coinfection and adverse effects of treatment. We studied associations of new-onset diabetes mellitus with hepatitis B virus and hepatitis C virus coinfections and antiretroviral therapy in participants in the Swiss HIV Cohort Study, using Poisson regression. A total of 123 of 6513 persons experienced diabetes mellitus during 27,798 person-years of follow-up (PYFU), resulting in an incidence of 4.4 cases per 1000 PYFU (95% confidence interval [CI], 3.7-5.3 cases per 1000 PYFU). An increased incidence rate ratio (IRR) was found for male subjects (IRR, 2.5; 95% CI, 1.5-4.2), older age (IRR for subjects >60 years old, 4.3; 95% CI, 2.3-8.2), black (IRR, 2.1; 95% CI, 1.1-4.0) and Asian (IRR, 4.9; 95% CI, 2.2-10.9) ethnicity, Centers for Disease Control and Prevention disease stage C (IRR, 1.6; 95% CI, 1.04-2.4), and obesity (IRR, 4.7; 95% CI, 3.1-7.0), but results for hepatitis C virus infection or active hepatitis B virus infection were inconclusive. Strong associations were found for current treatment with nucleoside reverse-transcriptase inhibitors (IRR, 2.22; 95% CI, 1.11-4.45), nucleoside reverse-transcriptase inhibitors plus protease inhibitors (IRR, 2.48; 95% CI, 1.42-4.31), and nucleoside reverse-transcriptase inhibitors plus protease inhibitors and nonnucleoside reverse-transcriptase inhibitors (IRR, 3.25; 95% CI, 1.59-6.67) but were not found for treatment with nucleoside reverse-transcriptase inhibitors plus nonnucleoside reverse-transcriptase inhibitors (IRR, 1.47; 95% CI, 0.77-2.82). In addition to traditional risk factors, current treatment with protease inhibitor- and nucleoside reverse-transcriptase inhibitor-containing regimens was associated with the risk of developing type 2 diabetes mellitus. Our study did not find a significant association between viral hepatitis infection and risk of incident diabetes.
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                Author and article information

                Journal
                AIDS Res Ther
                AIDS Research and Therapy
                BioMed Central
                1742-6405
                2010
                24 May 2010
                : 7
                : 11
                Affiliations
                [1 ]Unit of Epidemiology and Biostatistics, Centro di Riferimento Onocologico, IRCCS, Aviano, Italy
                [2 ]Direzione centrale per le statistiche e le indagini sulle istituzioni sociali, Servizio Sanità e Assistenza ISTAT, Rome, Italy
                [3 ]Dipartimento Malattie Infettive, Istituto Superiore di Sanità, Rome, Italy
                [4 ]Direzione Scientifica, Centro di Riferimento Onoclogico, IRCCS, Aviano, Italy
                Article
                1742-6405-7-11
                10.1186/1742-6405-7-11
                2881872
                20497520
                089d5753-2bcc-4985-89d1-b0c3d81f5942
                Copyright ©2010 Serraino et al; licensee BioMed Central Ltd.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 16 November 2009
                : 24 May 2010
                Categories
                Short Report

                Infectious disease & Microbiology
                Infectious disease & Microbiology

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