rvastatin -- sold as Lipitor -- in addition to reducing recurrent stroke risk, can also reduce stroke patients' risk of heart attack and other major coronary events by 35 percent; their risk of cardiovascular events such as unstable angina by 42 percent; and their need for coronary revascularization procedures, such as coronary artery bypass grafting or cardiac catheterization, by 45 percent, compared to treatment with an inactive placebo.
In the trial, the researchers enrolled 4,731 patients at 205 study sites in Africa, Australia, Europe, the Middle East, and North and South America. All of the patients had experienced either a stroke or a transient ischemic attack within six months of their enrollment. The patients averaged 63 years of age; 60 percent were male and 40 percent female. Patients were monitored for an average of five years following enrollment.
At the time of their enrollment, roughly 66 percent of the patients had experienced an ischemic stroke, which occurs when the blood supply to a part of the brain is suddenly blocked; 2 percent had experienced a hemorrhagic stroke, which occurs due to a leaking blood vessel in the brain; and 30 percent had experienced a transient ischemic attack.
Ninety-four percent of the patients enrolled were already being treated with aspirin or medications that reduce clotting of the blood, and 69 percent of the patients, most of whom had high blood pressure, were receiving treatment with blood-pressure lowering medications. Those treatments were continued during the patients' participation in the SPARCL study.
The researchers randomly assigned patients to receive either 80 milligrams per day of atorvastatin or an inactive placebo. The study was double-blinded, meaning that neither the researchers nor the patients knew in advance which patients were receiving the active medication.
The study found that atorvastatin, compared with the placebo, reduced the risk of fatal and nPage: 1 2 3 Related medicine news :1
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