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Focal cerebral ischemia – A stroke occurring in a localized area that can either be acute or transient. This may be due to a variety of medical conditions such as an aneurysm that causes a hemorrhagic stroke, or an occlusion occurring in the affected blood vessels due to a thrombus (thrombotic stroke) or embolus (embolic stroke). [21]
Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.
Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death. [2]
These results and the first mentioning of the term ischemic penumbra were published in 1977 in Stroke (1), and further substantiated by an editorial in 1981 (2). The first decade of research focused on physiologic profile of the penumbra tissue after stroke , mapping the cerebral blood flow, and quantifying oxygen and glucose consumption to ...
Some risks associated with stroke are hypertension (high blood pressure), atrial fibrillation (an irregular heartbeat) and smoking, according to the US Centers for Disease Control and Prevention.
In women, being severely underweight, often as a result of an eating disorder or due to excessive strenuous exercise, can result in amenorrhea (absence of menstruation), [20] infertility or complications during pregnancy if gestational weight gain is too low. [citation needed] Malnourishment can also cause anemia and hair loss.
Stroke is a medical condition in which poor blood flow to a part of the brain causes cell death. [5] There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. [5] Both cause parts of the brain to stop functioning properly. [5]
A new study examines how age-related brain changes could be linked to stroke recovery. Researchers suggest areas of age-related damage to parts of the brain containing white matter may influence ...
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