What is the efficacy of endovascular coiling for the treatment of hemorrhagic stroke?

Updated: Apr 22, 2019
  • Author: David S Liebeskind, MD, FAAN, FAHA, FANA; Chief Editor: Andrew K Chang, MD, MS  more...
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The International Subarachnoid Aneurysm Trial (ISAT) of neurosurgical clipping versus endovascular coiling reported that independent survival was higher at 1 year with endovascular coiling and that the survival benefit continued for at least 7 years. [51] This randomized, multicenter, international trial included 2143 patients. The investigators also noted that the risk of late rebleeding was small in both groups but higher in the endovascular coiling group, reconfirming the higher long-term anatomic cure rate of surgery. [51, 52]

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