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  • Title: Hemodynamic vertebrobasilar insufficiency caused by multiple arterial lesions: results of surgical treatment.
    Author: Rosset E, Magnan PE, Branchereau A, Espinoza H, Grama P.
    Journal: Ann Vasc Surg; 1993 May; 7(3):243-8. PubMed ID: 8318388.
    Abstract:
    From 1982 to 1990, 111 of 1013 patients undergoing cerebral artery reconstruction presented with signs of vertebrobasilar insufficiency associated with hemodynamically significant lesions of at least three cerebral arteries. There were 71 men and 40 women whose mean age was 70.3 +/- 8.4 years. Forty patients also had hemispheric symptoms, whereas three had ophthalmic symptoms as well. A total of 191 arteries were reconstructed in 139 procedures. During the first 30 postoperative days there were nine deaths (8.1%) attributable to four neurologic events--one myocardial infarction, two hemorrhages, and one acute kidney failure. There were 18 complications including seven neurologic events (four reversible and three irreversible), one myocardial infarction, and 10 reversible local complications. Mortality and morbidity were not affected if one (87 cases) or several (52 cases) cerebral arteries were reconstructed. Of 179 arteries for which follow-up arteriograms were obtained, two (1%) were found to be occluded. Mean follow-up was 41.2 +/- 27.7 months. Four patients were lost to follow-up, and 28 died: five of cerebrovascular causes in the 21 who died of cardiovascular causes and seven secondary to noncardiovascular events. Actuarial 5-year survival and patency rates were 63.3 +/- 10.9% and 97.3 +/- 2.8%, respectively. Functional results were evaluated in 98 patients. At the last follow-up visit 73 were asymptomatic, 13 were improved (80% good results), 5 were unchanged, and 7 were worse. Mortality and morbidity rates were superior to that for isolated carotid or vertebral artery surgery performed during the same period.(ABSTRACT TRUNCATED AT 250 WORDS)
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