Stenosis and obstruction of carotid is directly related to loss of some cerebral functions and stroke resulting in temporary or permanent paralysis. It commonly occurs with other cardiovascular diseases because the most important cause is atherosclerosis.
- Advanced age,
- Diabetes mellitus,
- Family history of a cardiovascular disease are the factors increasing the risk.
Many carotid narrowing or obstructions are asymptomatic. It may be detected on the color Doppler ultrasonography which is performed for control. Temporary or permanent paralysis may occur in some patients. This may present with permanent or temporary visual loss, speech disorder, and paralysis of extremities.
The primary cause is that particles come off from the plague, which narrows the vessel, and obstructs the circulation in some part of the brain. Loss of functions of this cerebral part with impaired circulation occurs. These symptoms are temporary if it is mild and called Temporary Ischemic Attack (TIA). These symptoms may be permanent in some group of patients. Some portion of this patient group will dye while the other portion will require care.
The imaging methods are used to make final diagnosis after listening to patient complaints and performing physical examination.
- Color Doppler ultrasonography of the neck,
- CT angiography
- Classical angiography are the imaging methods in diagnosis.