Four patients suffered thrombosis of the carotid arterial system due to blunt trauma in the neck. The neurological symptoms in all developed a few hours after the injury. Three patients were operated on. None were improved. Two of them died, one of whom showed a hemorrhagic infarction of the brain at autopsy. The fourth patient was treated without operation and recovered without neurological residuals. Nonoperative treatment is recommended.
Towne JB, Neis DD, Smith JW. Thrombosis of the Internal Carotid Artery Following Blunt Cervical Trauma. Arch Surg. 1972;104(4):565–568. doi:10.1001/archsurg.1972.04180040179030
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