Victims of stroke who are administered the clot-busting drug - alteplase within six hours of a stroke enjoy a better quality of and faster recovery.
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Recovery rates depended on the timing when patients receive treatment. In about 3 out of 100 patients, the drug also led to a bleed in the brain, which can be fatal.
Families will have to consider the risks and take a decision based on the severity of the stroke. Prof Peter Sandercock, of the University of Edinburgh's Centre for Clinical Brain Sciences, who led the study, said: "What doctors need to do is to say this is a difficult decision for patients and their families. They have to say this is a treatment that carries risks."
"It is personal choice, comparing immediate risk versus long-term benefits. When a stroke strikes, time lost is brain lost. The sooner patients receive treatment the more likely they are to make a better recovery."
Source-Medindia