”Cerebral stroke is also known as “stroke” and “cerebralvascular accident” (CVA).
accident (CVA). It is an acute cerebrovascular disease, which is caused by a sudden rupture of a blood vessel in the brain or a blockage of a blood vessel that prevents blood from flowing to the brain, resulting in brain tissue damage, including ischemic and hemorrhagic stroke. The incidence of ischemic stroke is higher than that of hemorrhagic stroke, accounting for 60% to 70% of all strokes. Occlusion and stenosis of the internal carotid artery and vertebral artery can cause ischemic stroke, which is more common in men than in women over the age of 40 and can cause death in severe cases. The mortality rate of hemorrhagic stroke is high. Surveys show that stroke has become the first cause of death in China in both urban and rural areas combined, and the leading cause of disability in Chinese adults. Stroke is characterized by high incidence, high mortality and high disability rates. Different types of stroke are treated in different ways. Because of the persistent lack of effective treatment, prevention is currently considered the best measure, with hypertension being an important controllable risk factor for stroke, and therefore antihypertensive treatment is particularly important to prevent stroke onset and recurrence. Education on stroke risk factors and aura symptoms should be strengthened for the whole population in order to truly prevent and treat strokes. Climate change is an inevitable trigger for stroke, with more than half of the cases occurring in late autumn and early winter when the climate changes dramatically: 1. Low temperatures can reduce the elasticity of blood vessels, increase peripheral resistance, and raise blood pressure, leading to rupture of blood vessels. 2. 2, cold stimulation can also make sympathetic excitation, increased secretion of adrenocorticotropic hormone, which causes small artery spasm, increasing peripheral resistance, and increased blood pressure 3, cold can also be the blood fibrinogen content increases, blood concentration increases, prompting the formation of blood emboli and the onset of 4, cold can make the resistance of the respiratory tract is reduced, triggering acute inflammation, acute inflammation through a series of biochemical reaction, it is possible to promote atherosclerosis or even promote the rupture of plaque, a large number of inflammatory mediators will damage the blood system, clotting imbalance, leading to thrombosis.