Abstract
We report excellent initial results of stenting for stenosis of major cerebral arteries experienced between April 1997 and June 1998. Patients ranged in age from 61 to 78 year old (mean 65 year old). The location of the lesion included cervical carotid artery: 10, orifice of vertebral artery: 3, subclavian artery: 3. All lesion were high grade more than 60%. Ten were symptomatic (TIA 5, minor stroke 1, VBI 2. others 2), and six were asymptomatic. Stents utilized were Palmaz stents, the balloon expandable type originally developed for peripheral arteries. Stents were placed at the lesion after predilatation in some patients and primarily in other patients. Almost complete dilatation was obtained in every patient without any permanent adverse event. Bradycardia and mild hypotension due to vaso-vagal reflex was observed in two patients with carotid stenosis until next day after treatment. TIA was experienced in two patients with carotid stenosis. No further ischemic events were observed during the short-term follow-up period. Usefulness of stenting for major cerebral artery stenosis was indicated by our initial results. Stenting will play an important role in the treatment of cerebrovascular disease in the near future, though the development of better stents for the cerebral arteries and long-term follow-up are mandatory.
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