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Extracranial-intracranial bypass surgery using a radial artery interposition graft for cerebrovascular diseases.

AbstractOBJECTIVE:
To investigate the efficacy of extracranial-intracranial (EC-IC) bypass surgery using a radial artery interposition graft (RAIG) for surgical management of cerebrovascular diseases.
METHODS:
The study involved a retrospective analysis of 13 patients who underwent EC-IC bypass surgery using RAIG at a single neurosurgical institute between 2003 and 2009. The diseases comprised intracranial aneurysm (n=10), carotid artery occlusive disease (n=2), and delayed stenosis in the donor superficial temporal artery (STA) following previous STA-middle cerebral artery bypass surgery (n=1). Patients were followed clinically and radiographically.
RESULTS:
Bypass surgery was successful in all patients. At a mean follow-up of 53.4 months, the short-term patency rate was 100%, and the long-term rate was 92.3%. Twelve patients had an excellent clinical outcome of Glasgow Outcome Scale (GOS) 5, and one case had GOS 3. Procedure-related complications were a temporary dysthesia on the graft harvest hand (n=1) and a hematoma at the graft harvest site (n=1), and these were treated successfully with no permanent sequelae. In one case, spasm occurred which was relieved with the introduction of mechanical dilators.
CONCLUSION:
EC-IC bypass using a RAIG appears to be an effective treatment for a variety of cerebrovascular diseases requiring proximal occlusion or trapping of the parent artery.
AuthorsSung Woo Roh, Jae Sung Ahn, Han Yoo Sung, Young Jin Jung, Byung Duk Kwun, Chang Jin Kim
JournalJournal of Korean Neurosurgical Society (J Korean Neurosurg Soc) Vol. 50 Issue 3 Pg. 185-90 (Sep 2011) ISSN: 1598-7876 [Electronic] Korea (South)
PMID22102946 (Publication Type: Journal Article)

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