Distal Cervical Carotid Dissection after Carotid Endarterectomy: A Complication of Indwelling Shunt?

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Abstract
Technical factors and surgical techniques in carotid endarterectomy remain a controversial subject. The use of an indwelling arterial shunt has theoretical advantages in assuring intraoperative hemispheric perfusion and affording a more relaxed surgical environment. There has been little clinical demonstration, however, of superior results with carotid shunting. Although champions of routine shunting argue that it is a benign protective intervention, the possibilities of distal embolization or intimal disruption exist. The authors report a case of cervical carotid dissection far distal to the operative site that they postulate resulted from intimal disruption after routine shunt placement. This devastating complication from an otherwise benign procedure prompts reconsideration of the benefits and risks of routine shunt placement.

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