Results: To compare the incidence of total mortality, cardiovascular mortality (myocardial infarction, sudden death, cardiogenic shock, fatal stroke), morbidity (non fatal myocardial infarction, unstable angina, recurrence of ischemia, cardiac failure, non fatal stroke) and revascularization (percutaneous coronary intervention, coronary artery bypass graft surgery) during a 3-year follow-up between HIV and non-HIV patients with ACS. Univariate and multivariate analysis of predictive factors for cardiovascular events will be done.