To the Editor: Local intraarterial fibrinolysis has improvedthe outcome for patients with acute vertebrobasilar occlusion.The procedure has increased survival rates to 30 to 45 percent1,2,3and resulted in rates of recanalization ranging from 50 to 75percent.2,3,4,5 However, thrombolysis can also lead to intracerebralhematomas, even in the posterior circulation (incidence, 0 to15 percent),1,2,3,4,5 as well as to systemic hemorrhage.
Mechanical extraction of embolic material offers a potentialalternative to fibrinolysis, especially for patients in whomfibrinolysis is contraindicated or in whom it has failed. Weand others have tested several extraction devices experimentally.Recently, with the . . . [Full Text of this Article]
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