Causes of Stroke


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Cause statistics for Stroke: The following are statistics from various sources about the causes of Stroke:

  • 62% of stroke cases caused caused by high blood pressure worldwide (WHO World Health Report, 2002)
  • Diabetes was the associated cause of death in 8% of stroke deaths in Australia, 2002 (Australia’s Health 2004, AIHW)
  • 22% of deaths from diabetes also had stroke as an associated cause of death in Australia, 2002 (Australia’s Health 2004, AIHW)
  • Cancer was an underlying cause in 1.4% of female deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Cancer was an underlying cause in 1.4% of male deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Coronary heart disease was an underlying cause in 3.6% of female deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Coronary Heart Disease was an underlying cause in 2.6% of male deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Endocrine disease was an underlying cause in 9.8% of female deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Endocrine disease was an underlying cause in 6.4% of male deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Respiratory disease was an underlying cause in 8.9% of female deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Respiratory disease was an underlying cause in 5.3% of male deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Stroke was an underlying cause in 63.6% of female deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • Stroke was an underlying cause in 54.1% of male deaths from stroke in Australia 1997-2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • 2.1% of diabetic adults attending specialist diabetes services had a stroke in Australia 2002 (Australia’s Health 2004, AIHW)

Cause details for Stroke: A stroke occurs when an artery bringing blood to the brain either becomes clogged or ruptures, and a part of the brain is deprived of the oxygen it needs. Without oxygen, nerve cells in the affected area of the brain are unable to function and then die within minutes. This results in loss of function in the part of the body controlled by these cells. 1

Lack of blood flow to the brain, from blood clots or broken blood vessels, causes a stroke. In some cases, bleeding in the brain can also cause a stroke. Without a good blood supply, brain cells cannot get enough oxygen and begin to die.2

Most strokes are caused by a blood clot or narrowing of a blood vessel (artery) leading to the brain. Other strokes are caused by a hemorrhage (bleeding) from an artery.3

Underlying condition causes of Stroke: The list of possible underlying conditions (see also Misdiagnosis of underlying causes of Stroke) mentioned in various sources as possible causes of Stroke includes:

Stroke as a complication: Other conditions that might have Stroke as a complication might be potential underlying causes of Stroke. The list of conditions listing Stroke as a complication in our database includes:

Stroke as a symptom: Conditions listing Stroke as a symptom may also be potential underlying causes of Stroke. The list of conditions listing Stroke as a symptom in our database includes:

Causes of Stroke: medical news summaries: The following medical news items are relevant to causes of Stroke:

Related information for causes of Stroke: Further relevant information on causes of Stroke may be found in the risk factors for Stroke and underlying causes of Stroke.

Footnotes:
1. excerpt from Fact Sheet Heart Disease and Stroke in Women: NWHIC
2. excerpt from HEART AND CARDIOVASCULAR DISEASE: NWHIC
3. excerpt from Stroke Prevention and Treatment - Age Page - Health Information: NIA

Last revision: June 18, 2003

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