April 1969
Angiology;Apr1969, Vol. 20 Issue 4, p177
Academic Journal
A reduction in flow through either one or both internal carotid arteries is a frequent cause of cerebral insufficiency and may produce definite symptomatology. When angulation, kinking or buckling of the internal carotid artery is observed and held responsible for symptoms, the syndrome of "kinked carotid" is said to be present. This syndrome has been well reported as a cause of temporary and even permanent neurologic impairment. Acute cerebral ischemia may be produced when the head is suddenly turned and the blood supply shut off. Degrees of angulation vary from slight "kinking" to complete 360 degree looping of the internal carotid artery. As Metz et al. has shown, kinking occurs in all age groups and has a 16 per cent incidence in the general population. Whether these loops or kinks cause symptoms is debated by some; for it is known that transient ischemic episodes may occur spontaneously. The cessation of symptoms as a result of tho removal of a kink must therefore be interpreted with caution. This paper reports additional cases in which kinking was thought to be responsible for symptomatology and discusses the main types of internal carotid deformity and the surgical management of this condition.


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