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Answer: Ischemic white matter disease refers to small blood vessels in the brain that are clogging up a bit. This is usually not a serious condition unless the amount of small vessel disease gets to a moderate or severe degree.It is often caused by high blood pressure, diabetes, high cholesterol, or smoking.nswer: Ischemic white matter disease refers to small blood vessels in the brain that are clogging up a bit. This is usually not a serious condition unless the amount of small vessel disease gets to a moderate or severe degree.
Brain ischemia (aka cerebral ischemia, cerebrovascular ischemia) is a condition in which there is insufficient blood flow to the brain to meet metabolic demand.This leads to poor oxygen supply or cerebral hypoxia and thus to the death of brain tissue or cerebral infarction / ischemic stroke.ther effects that may result from brain ischemia are stroke, cardiorespiratory arrest, and irreversible brain damage. An interruption of blood flow to the brain for more than 10 seconds causes unconsciousness, and an interruption in flow for more than a few minutes generally results in irreversible brain damage.