Abstract
Spontaneous dissection of the vertebral artery (VA) is usually managed medically. The objective of this report was to describe 10 patients treated surgically for spontaneous dissection of the VA. Seven men and three women with a mean age of 52.5 ± 11.3 years were treated between December 1978 and January 2001. In eight cases the presenting symptom was neck pain. Transient ischemic attack or completed stroke in the vertebrobasilar distribution followed in nine cases. In the remaining case, symptoms resulted from irritation of the superior roots of the brachial plexus. Dissection was located in one segment of the VA in seven cases and two contiguous segments in three cases. Lesions involved aneurysm in seven cases, tight stenosis in two, and occlusion in one. The decision to perform surgery was made because of either continued symptoms despite maximal anticoagulation therapy or the presence of an aneurysm causing recurrent thromboembolism or threatening rupture. In eight cases the revascularization procedure consisted of bypass from the carotid artery to the distal VA. In the remaining two cases revascularization was achieved by transposition of the VA directly onto the common or internal carotid artery. Postoperative recovery was uneventful in all cases. No further neurological events were observed in any patient at a mean follow-up of 96.9 ± 66 months (range, 12-216 months). Long-term resolution of vertebrobasilar symptoms was achieved in all cases, including one patient whose bypass occluded at 6 months. From these results we conclude that surgical treatment is the method of choice for spontaneous dissection of the extracranial VA associated with continued vertebrobasilar symptoms despite maximal medical therapy or with an expanding aneurysm. The most useful technique is bypass to the distal VA. Morbidity is low and long-term outcome is excellent.
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Chiche, L., Praquin, B., Koskas, F. et al. Spontaneous Dissection of the Extracranial Vertebral Artery: Indications and Long-Term Outcome of Surgical Treatment. Ann Vasc Surg 19, 5–10 (2005). https://doi.org/10.1007/s10016-004-0149-8
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DOI: https://doi.org/10.1007/s10016-004-0149-8