Hypertension is the single major risk factor for stroke, which is a
highly preventable medical condition globally, irrespective of age and
sex, reveals a study led by an Indian-origin researcher.
Stroke which is caused when poor blood flow to the brain results in cell death, is the leading cause of mortality and disability, particularly in low-income and middle-income countries.
The findings showed that 47.9 per cent of stokes were caused as a result of hypertension whereas physical inactivity caused 35.8 per cent.
"The study confirmed that hypertension is the most important modifiable risk factor in all regions and is therefore the key target in reducing the burden of stroke globally," said Salim Yusuf, Professor at McMaster University in Ontario, Canada.
Poor diet and obesity caused 23.2 per cent and 18.6 per cent of strokes, respectively.
While smoking caused 12.4 per cent, heart diseases was accounted for 9.1 per cent of strokes.
Diabetes resulted in 3.9 per cent and alcohol intake in 5.8 per cent of strokes.
Stress caused 5.8 per cent and lipids 26.8 per cent of strokes.
When combined together, the total for all ten risk factors was 90.7 per cent, which was similar in all regions, age groups and in men and women, the researchers said.
"The wider reach confirms the ten modifiable risk factors associated with 90 per cent of stroke cases in all major regions of the world, young and older and in men and women," said Martin O'Donnell, Associate Professor at McMaster University.
Further, hypertension was found as the highest reason behind strokes in Southeast Asia (59.6 per cent), whereas in western Europe, North America and Australia it caused 38.8 per cent of strokes.
Stroke which is caused when poor blood flow to the brain results in cell death, is the leading cause of mortality and disability, particularly in low-income and middle-income countries.
The findings showed that 47.9 per cent of stokes were caused as a result of hypertension whereas physical inactivity caused 35.8 per cent.
"The study confirmed that hypertension is the most important modifiable risk factor in all regions and is therefore the key target in reducing the burden of stroke globally," said Salim Yusuf, Professor at McMaster University in Ontario, Canada.
Poor diet and obesity caused 23.2 per cent and 18.6 per cent of strokes, respectively.
While smoking caused 12.4 per cent, heart diseases was accounted for 9.1 per cent of strokes.
Diabetes resulted in 3.9 per cent and alcohol intake in 5.8 per cent of strokes.
Stress caused 5.8 per cent and lipids 26.8 per cent of strokes.
When combined together, the total for all ten risk factors was 90.7 per cent, which was similar in all regions, age groups and in men and women, the researchers said.
"The wider reach confirms the ten modifiable risk factors associated with 90 per cent of stroke cases in all major regions of the world, young and older and in men and women," said Martin O'Donnell, Associate Professor at McMaster University.
Further, hypertension was found as the highest reason behind strokes in Southeast Asia (59.6 per cent), whereas in western Europe, North America and Australia it caused 38.8 per cent of strokes.
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