Statins for the Prevention of First or Recurrent Stroke
This review considers the evidence showing that statins can prevent first or recurrent stroke or improve its outcome in subjects at moderate or high risk for cardiovascular disease (CVD). Data are reviewed according to trial design (observational or prospective) and baseline CVD risk. Two (ASCOT, CARDS) out of five primary CVD prevention statin trials showed a considerable reduction in stroke rates. In two (MIRACL and PROVE IT) out of five acute coronary syndrome trials, the prevention of first stroke was significant. Most secondary prevention trials (4S, CARE, LIPID, HPS, GREACE and TNT) showed a beneficial effect of statins in stroke prevention. Finally, SPARCL, the only secondary stroke prevention trial in subjects without overt coronary heart disease (CHD), showed a significant reduction in total and ischaemic (fatal and nonfatal) stroke rate, although a small but significant increase in nonfatal haemorrhagic stroke was noted. There was also a significant reduction in CHD-related events.
The possible mechanisms responsible for statin-associated stroke prevention are discussed. The evidence suggests the need to consider early and long-term statin treatment (with substantial low-density lipoprotein cholesterol reduction) in all patients at high risk of any type of major vascular event, without discriminating CHD from stroke. Thus, statins may be beneficial to both the heart and the brain.
The possible mechanisms responsible for statin-associated stroke prevention are discussed. The evidence suggests the need to consider early and long-term statin treatment (with substantial low-density lipoprotein cholesterol reduction) in all patients at high risk of any type of major vascular event, without discriminating CHD from stroke. Thus, statins may be beneficial to both the heart and the brain.
Keywords: Statins; coronary heart disease; haemorrhagic stroke; ischaemic stroke; secondary prevention
Document Type: Research Article
Publication date: 01 April 2008
- Vascular disease is the commonest cause of death in Westernized countries and its incidence is on the increase in developing countries. It follows that considerable research is directed at establishing effective treatment for acute vascular events. Long-term treatment has also received considerable attention (e.g. for symptomatic relief). Furthermore, effective prevention, whether primary or secondary, is backed by the findings of several landmark trials.
Vascular disease is a complex field with primary care physicians and nurse practitioners as well as several specialties involved. The latter include cardiology, vascular and cardio thoracic surgery, general medicine, radiology, clinical pharmacology and neurology (stroke units). Current Vascular Pharmacology will publish reviews to update all those concerned with the treatment of vascular disease. For example, reviews commenting on recently published trials or new drugs will be included. In addition to clinically relevant topics we will consider 'research-based' reviews dealing with future developments and potential drug targets. Therefore, another function of Current Vascular Pharmacology is to bridge the gap between clinical practice and ongoing research.
Debates will also be encouraged in the correspondence section of this journal. - Editorial Board
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