Causes of Stroke
Stroke is an acute violation of the circulationthe brain, which leads to a significant reduction or complete cessation of blood supply of one or another of its site. As a result of this violation, oxygen supply to the cells is significantly reduced, which leads to their death.
Types of strokes
There are two types of stroke: ischemic and hemorrhagic. Ischemic stroke is characterized by blockage or rupture of the arteries of the brain. The causes of a hemorrhagic stroke are different. This type of stroke is a consequence of the rupture of the blood vessel of the brain and its hemorrhage in the brain tissue.
Causes of Ischemic Stroke
Ischemic stroke, as, indeed, the majoritydisease, does not appear without reason. Stroke of this type can be caused by atherosclerosis, which is characterized by loss of elasticity of vessels, their deformation and decrease in lumen as a result of cholesterol deposition.
Ischemic stroke can be a consequencehypertension (high blood pressure). A strong and rapid pulse of the heart leads to a serious depletion of blood vessels and damage to vital organs. Such a common disease, as diabetes, can also be one of the causes of ischemic stroke. Disorders in the work of the heart, circulatory system and increased blood cholesterol significantly increase the risk of stroke.
Atrial fibrillation (or fibrillationatrial), accompanied by periodic malfunctions in the heart, plays an important role in the occurrence of ischemic strokes. In most cases, the ischemic stroke, the causes of which are described above, is a consequence of the absence of banal control over the state of health. The risk of a stroke can be significantly reduced if you follow a healthy lifestyle and make timely calls to specialists of various kinds.
Causes of hemorrhagic stroke
Hemorrhagic stroke is much less common than ischemic stroke, but it can occur at a much earlier age.
The main causes of hemorrhagic stroke are:
- hypertensive disease, accompanied by a significant thinning of the walls of blood vessels;
- congenital anomaly of the vascular system of the soft tissues of the brain; as a rule, this disorderly interlacing of vessels in the form of coils of various sizes;
- disorders of clotting and blood diseases.
In some cases, the actual hemorrhage inbrain tissue is taken for hemorrhagic stroke. The causes of both of the stroke described above are in themselves quite serious prerequisites for the occurrence of diseases requiring careful treatment. But it should be remembered that in addition to these, there are several other factors that can provoke the onset of a stroke.
- excessive intake of alcohol;
- malnutrition, the presence of a large amount of salt and fats of different origin in the diet;
- sedentary lifestyle.
To date, stroke is one of the mostthe most common causes of death among the population, and more than 80% of those who have suffered it remain disabled of varying severity. It is never too late to see a doctor and begin to prevent the onset of a stroke in one way or another.