Bisher AKIL, MD

C-Reactive Protein (CRP) and Heart Disease in HIV

In Heart, HIV on May 14, 2009 at 7:26 pm

Inflammation is suspected to contribute to increased risk for both AIDS- and non–AIDS-related outcomes in HIV-positive patients. To evaluate how HIV infection and elevated C-reactive protein (CRP) levels each influence risk for acute myocardial infarction (MI), investigators reviewed data from a large patient registry in Massachusetts. Analysis included 487 HIV-infected patients and 69,870 HIV-uninfected patients, all of whom had CRP data available from between 1997 and 2006. Patients who had an MI were eligible for analysis only if their most recent CRP level was obtained 3 years to 1 week before the MI. In a univariate analysis, HIV infection and elevated CRP levels were each significantly associated with increased risk for acute MI (odds ratios, 2.1 and 2.5, respectively). In a model adjusted for age, sex, race, hypertension, diabetes, and dyslipidemia, both of these associations remained significant (ORs, 1.9 and 2.1, respectively). HIV-infected patients with elevated CRP levels were four times more likely to have an acute MI than HIV-uninfected patients with normal CRP levels. Overall, these findings suggest that CRP levels might help predict MI risk in HIV-positive patients. Published in Journal Watch and original paper: Triant VA et al. Association of C-reactive protein and HIV infection with acute myocardial infarction. J Acquir Immune Defic Syndr2009 Apr 21. Comments: There is a bias in this trial, since only patients with CRP levels were included. To better evaluate the role of CRP and other inflammatory markers, a study of all comers is more useful. In the meantime, this is something to watch _ BA

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