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Published on: April 9, 2014
Statins to improve cardiovascular outcomes in treated HIV infection
Chris T Longenecker1, Allison R Eckard, Grace A McComsey
1aUniversity Hospitals Harrington Heart and Vascular Institute bCase Western Reserve University School of Medicine, Cleveland, Ohio cMedical University of South Carolina, Charleston, South Carolina dUniversity Hospitals Rainbow Babies and Children's Hospital, Cleveland, Ohio, USA.
Insights
Statins may reduce cardiovascular risk in people with HIV by improving vascular inflammation and plaque volume. Potent statins like rosuvastatin and atorvastatin are recommended, considering individual risk assessment.
Area of Science:
- Cardiology
- Infectious Diseases
- Pharmacology
Background:
- Cardiovascular disease (CVD) is a leading cause of mortality in people with HIV.
- Traditional CVD risk calculators may underestimate risk in this population.
- Modern antiretroviral therapy (ART) has improved HIV management but CVD risk remains elevated.
Purpose of the Study:
- To evaluate the efficacy of statins in reducing cardiovascular risk among patients living with HIV.
- To assess the impact of statins on vascular inflammation and plaque progression in HIV-infected individuals.
Main Methods:
- Review of current evidence on statin use in HIV patients.
- Analysis of studies examining the effects of atorvastatin and rosuvastatin on coronary plaque and carotid intima-media thickness.
- Evaluation of potential mechanisms of statin benefit beyond lipid-lowering.
Main Results:
- Moderate to high-dose atorvastatin and rosuvastatin reduced noncalcified coronary plaque volume and slowed carotid intima-media thickness progression.
- Lipoprotein changes with statins in HIV patients are similar to the general population.
- Statin benefits may involve improvements in vascular inflammation and immune cell activation; rosuvastatin may increase insulin resistance.
Conclusions:
- Statins are likely beneficial for cardiovascular outcomes in patients with HIV.
- Individualized risk assessment is crucial for statin prescription in this population.
- Potent statins (rosuvastatin, atorvastatin, pitavastatin) are recommended when appropriate, pending outcome study results.
Purpose Of Review:
To evaluate evidence that statins reduce cardiovascular risk in patients living with HIV.
Recent Findings:
Moderate to high-dose atorvastatin and rosuvastatin appear to reduce noncalcified coronary plaque volume and slow progression of carotid intima-media thickness in patients with treated HIV infection. Expected lipoprotein changes with statins on the background of modern antiretroviral therapy are similar to the general population. In addition to lipids, the statin benefit may be mediated in part by improvements in vascular inflammation and levels of T-cell and monocyte activation. One concern is the potential for rosuvastatin to cause insulin resistance. Decisions to prescribe statins must be done in the context of global risk assessment, but traditional risk calculators such as the Framingham Risk Score or the American College of Cardiology/American Heart Association pooled-risk equations underestimate risk in this population. Furthermore, many patients with subclinical disease would not be recommended for statins according to the most recent American College of Cardiology/American Heart Association guidelines.
Summary:
Statins are likely to improve cardiovascular outcomes for patients with HIV, but results of the first outcome study are not expected until 2020. In the meantime, clinicians should individualize statin prescriptions, and should consider using more potent statins (rosuvastatin, atorvastatin, and pitavastatin) when possible.
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