Related Experiment Videos
Discontinuation of statin treatment in stroke patients
Matthias Endres1, Ulrich Laufs
1Klinik und Polikinik für Neurologie, Charité Universitätsmedizin Berlin, Charité Campus Mitte, D-10117 Berlin, Germany. matthias.endres@charite.de
Insights
Discontinuing statins abruptly after acute vascular events can harm patients. Continuing statin therapy, especially for stroke patients, is recommended to prevent negative vascular effects and improve outcomes.
Area of Science:
- Cardiovascular Medicine
- Neuroscience
- Pharmacology
Background:
- Statins offer cholesterol-independent (pleiotropic) vasoprotective effects.
- Abrupt discontinuation of statin medication can negatively impact vascular health in patients with acute events.
Purpose of the Study:
- To review evidence on the vascular effects of statin discontinuation in patients with acute vascular events.
- To highlight the importance of continuing statin therapy in specific patient populations.
Main Methods:
- Review of existing scientific literature and clinical data.
- Analysis of the molecular and physiological mechanisms underlying statin cessation effects.
- Evaluation of clinical outcomes associated with statin discontinuation in various acute vascular conditions.
Main Results:
- Statin cessation leads to rapid, cholesterol-independent adverse effects, including Rho/Rac activation, oxidative stress, and reduced nitric oxide bioavailability.
- Discontinuation in humans promotes a proinflammatory, prothrombotic state with impaired endothelial function.
- Abrupt statin cessation significantly increases morbidity and mortality in acute coronary syndromes and raises the risk of neurological deterioration in acute ischemic stroke.
Conclusions:
- In acute ischemic stroke patients chronically treated with statins, treatment should be continued without interruption.
- Continuation of statin medication on the day of the stroke event is proposed for these patients.
Background And Purpose:
Statins reduce the risk for myocardial infarctions and stroke which may in part depend on cholesterol-independent (pleiotropic) vasoprotective effects. Here, we review evidence to suggest that the abrupt discontinuation of statin medication exerts negative vascular effects in patients with acute vascular events.
Summary Of Review:
It is increasingly recognized that statins (HMG-CoA reductase inhibitors) exert rapid cholesterol-independent effects. Cessation of statin treatment confers overshoot activation of heterotrimeric G-proteins Rho and Rac causing production of reactive oxygen species and suppression of NO bioavailability. In humans, discontinuation of statin therapy leads to a proinflammatory, prothrombotic state with impaired endothelium function. In patients with acute coronary syndromes, abrupt discontinuation of statin therapy significantly increases morbidity and mortality, whereas in stable vascular patients discontinuation may be safe. Recent prospective data indicated that the cessation of statin medication in acute ischemic stroke patients confers a significantly higher likelihood of early neurological deterioration and poor outcome.
Conclusions:
We propose that in all acute ischemic stroke patients chronically treated with statins before the event, treatment should be continued and the patient should receive medication at the day of the stroke.
Related Concept Videos
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Atherosclerosis III: Management
Atherosclerosis IV: Nursing Management
Ischemic Stroke l: Introduction
Coronary Artery Disease V: Interprofessional Care
Peripheral Artery Disease III: Interprofessional Care