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Stents can also prevent strokes
Source: Agencies |
February 27, 2010, Saturday
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Print Edition
Print Edition
A newer, less invasive approach to preventing strokes using a device called a stent proved to be as safe and worked just as well as surgery, United States researchers said yesterday, and that may be a boon to medical device makers.
For many years, surgery has been the preferred way to clear away dangerous fatty deposits in neck arteries that can cause strokes.
But newer, less invasive approaches using angioplasty and stents have been approved for use in higher-risk patients, stirring debate over which way is best.
Carotid artery stenting involves threading a wire mesh coil called a stent in the neck artery to widen the blocked area and capture any dislodged plaque that could travel to the brain and cause a stroke.
They compared the treatment with surgery, in which doctors cut open the neck, scrape away the fatty deposits in the artery, and sew it back up.
Several medical device makers sell carotid stents, including Boston Scientific Corp, Abbott Laboratories, Johnson & Johnson, Ev3 Inc and C.R. Bard Inc.
The nine-year trial, dubbed the Carotid Revascularization Endarterectomy vs Stenting Trial or CREST trial, compared the safety and effectiveness of surgery versus stenting in 2,502 patients with or without a previous stroke.
They found some differences between the two approaches.
They found that patients who had had surgery had lower rates of subsequent strokes, while those who had gotten a stent were less likely to have a heart attack after the procedure.
For many years, surgery has been the preferred way to clear away dangerous fatty deposits in neck arteries that can cause strokes.
But newer, less invasive approaches using angioplasty and stents have been approved for use in higher-risk patients, stirring debate over which way is best.
Carotid artery stenting involves threading a wire mesh coil called a stent in the neck artery to widen the blocked area and capture any dislodged plaque that could travel to the brain and cause a stroke.
They compared the treatment with surgery, in which doctors cut open the neck, scrape away the fatty deposits in the artery, and sew it back up.
Several medical device makers sell carotid stents, including Boston Scientific Corp, Abbott Laboratories, Johnson & Johnson, Ev3 Inc and C.R. Bard Inc.
The nine-year trial, dubbed the Carotid Revascularization Endarterectomy vs Stenting Trial or CREST trial, compared the safety and effectiveness of surgery versus stenting in 2,502 patients with or without a previous stroke.
They found some differences between the two approaches.
They found that patients who had had surgery had lower rates of subsequent strokes, while those who had gotten a stent were less likely to have a heart attack after the procedure.
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