The Treatment of Cerebral Ischemia by External Carotid Artery Revascularization

James J. Schuler, MD; D. Preston Flanigan, MD; James R. DeBord, MD; Timothy J. Ryan, MD; John J. Castronuovo, MD; Leonardo T. Lim, MD
Arch Surg. 1983;118(5):567-572. doi:10.1001/archsurg.1983.01390050043008.
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• Thirteen patients with internal carotid artery occlusion and symptomatic external carotid artery stenosis underwent external carotid artery revascularization by means of endarterectomy (n=10) or subclavian artery—external carotid artery bypass (n=3). All patients but one were followed up, for five to 46 months (mean, 20 months). There were no operative deaths or complications and no late strokes. One patient (7.7%) required early extracranial-intracranial (EC-IC) bypass for failure of the external carotid artery endarterectomy to relieve the initial symptoms. All remaining patients were completely (n=9) or partially (n=2) relieved of symptoms, and EC-IC bypass was not required. There were no criteria identified by either oculopneumoplethysmography or angiography that could reliably predict the need for subsequent EC-IC bypass. Ninety-two percent of the patients were adequately treated with external carotid artery revascularization alone, suggesting that subsequent EC-IC bypass is seldom required in patients with ipsilateral internal carotid artery occlusion and external carotid artery stenosis.

(Arch Surg 1983;118:567-572)


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