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Traumatic embolism of carotid artery

The common carotid artery is the main arterial trunk of the head and neck, and its branches on the upper edge of thyroid cartilage are internal carotid artery and external carotid artery (Fig. 1). The incidence rate of traumatic embolism is higher than that of internal carotid artery. Because the internal carotid artery mainly supplies blood to the brain and optic organ, the consequence of embolization is more serious. Internal carotid artery embolization can occur in the cervical segment, petrosal segment, cavernous sinus segment or supraclinoid segment. According to the analysis of 70 cases, 85% occurred in the cervical segment and 10% in the petrosal segment. Internal carotid artery embolism mostly occurs after cervical contusion. Patients may have transient ischemic attack and then neurological symptoms, which is the characteristic of internal carotid artery embolism. Relieving vasospasm and anticoagulant therapy can control the development of thrombosis. Internal carotid artery thrombectomy was performed when necessary.

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