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Postoperative Evaluation of EC/IC Bypass Surgery : Long term follow up study by donor artery compression test Toshifumi NAKAMURA 1 , Yoshikazu IWATA 2 1Nakamura Clinic 2Department of Neurosurgery, Minoh City Hospital Keyword: vascular compression test , EC/IC bypass , long term follow up pp.1057-1062
Published Date 2000/12/10
DOI https://doi.org/10.11477/mf.1436901978
  • Abstract
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Focal cerebral vascular dependency of donor arteries was evaluated in 45 patients who had undergone EC/IC bypass surgery.

During EEG recording, digital compression was applied to the anastomosed donor superficial temporal artery (STA) at the preauricular region. The appearance of slow waves on the EEG recording suggests hypofunction of the local brain. In eases showing positive response to the STA compression test, we sug-gest that the blood supply via STA is an essential collateral route to the ischemic brain.

The test was periodically repeated in the postoperative follow-up period for a mean of seven years.

Eleven cases (24%) showed positive results in the STA compression test during the long-term postopera-tive follow-up period.


Copyright © 2000, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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