Risk Of Collateral Circulation

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Cerebrovascular circulation is the movement of blood through the central veins and arteries supplying the brain. Blood supply to the brain is very important and with the help of four main arteries that is achieved. Those four main arteries consist of the left and right internal carotid arteries and the left and right vertebral arteries. When there is an area of blockage or plaque formation in these vessels then a problem may occur. Carotid artery disease is common and increases the risk of having a stroke. The collateral circulation is an important aspect affecting the risk of stroke. The cerebral circulation will attempt to maintain constant cerebral perfusion even if there are changes within the system. If one major cerebral artery is occluded,
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