Table 2.

Summary of mechanisms of injury, trauma sequelae, and associated vascular lesions in the 6 patients with BCVI

Mechanism	Injury	Vascular Lesion	Neurologic Symptoms
Fall from ladder	Fracture of articular process of C6	Dissection of vertebral artery	+
Bicycle vs truck	Basilar skull fracture	Carotid cavernosus fistula, dissection of contralateral ICA	+
Motor vehicle crash	Luxation fracture of C4	Dissection of vertebral artery	+
Bicycle accident	Skull fracture, fracture of C4-C6	Dissection of both vertebral arteries	+
Motor vehicle crash	No fracture on CT	Unilateral ICA dissection	−
Motor vehicle crash	Concussion; no fracture	Bilateral ICA dissections	−

Note:—BCVI indicates blunt carotid and vertebral artery injury; ICA, internal carotid artery.