But most patients were unaware of their risk or did not appreciate the importance of stroke prevention.
In the world of science, the neurologist Vladimir Hachinski, 1968, is an international authority on stroke prevention.
It can also be used for stroke prevention in some cases.
AF remains a risk factor for cerebrovascular disease even in the ninth decade, and older people thus have much to gain from primary stroke prevention.
Over all, he said, for stroke prevention "you do people a much bigger favor by effectively treating their hypertension than by giving them aspirin."
Several national guidelines on stroke prevention and treatment have been developed.
The charity campaigns to support primary and secondary stroke prevention.
He contributed greatly towards the current use of anticoagulants for stroke prevention in atrial fibrillation.
Oral anticoagulants such as warfarin have been the mainstay of stroke prevention for over 50 years.
Low-dose aspirin is also effective for stroke prevention after sustaining a myocardial infarction.