Clinical Course of Ruptured Intracranial Vertebrobasilar Artery Dissection

概要

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Fifteen patients of ruptured intracranial vertebrobasilar artery dissection (VBDA) were studied to clarify the clinical problems during treatment. Subsequent rebleeding occurred in 5 of the 15 cases (33.3%) and the mortality rate of patients with rebleeding was 40%. All subsequent rebleeding cases were VBDA of the distal to PICA type. These patients were divided into two groups consisting of a surgical treatment group (chronic stage) with 9 cases and a nonsurgical treatment group with 6 cases. Surgical procedures included proximal occlusion (PO) of the vertebral artery in 7 patients, wrapping in 1 and direct clipping in 1. Postoperative complications occurred in 3 patients by PO. Although proximal occlusion seemed to be a simple and useful method to prevent rebleeding, the occurrence of ischemic complication remains to be solved. Further study is needed to determine the best treatments, including PO for VBDA.
The Japanese Society on Surgery for Cerebral Strokeの論文