In patients infected with HIV, the duration of combination antiretroviral therapy has been shown to be associated with the risk of myocardial infarction (MI). In an analysis of data from 23,437 patients, a significant association with risk of MI was found for protease-inhibitor therapy but not for therapy with nonnucleoside reverse-transcriptase inhibitors. This association may be partly explained by the effects of protease inhibitors on serum lipid levels.
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