Results of multiple angiographic studies on cerebral revascularization patients
Cerebral revascularization procedures are being performed and reports of clinical success or improvement are being made in increasing numbers of patients. In nearly all instances the bypass is evaluated by Doppler, by blood flow studies, and/or by angiography. The Doppler is used by some to determine bypass patency instead of angiography, although little information about the correlation of the Doppler results with the anastomosis patency exists.(6) Blood flow techniques also are used to determine the patency and function of the bypass.(8) Angiography is not performed for several months after the bypass in some centers because of a concern for jeopardizing the anastomosis by early postoperative angiography.(3,13) There is little information on the immediate postoperative angiographic appearance of the bypass and its evolution with time.(l) Because such information may affect the evaluation of the clinical result postoperatively, we believe it would be important to record our observations made in 22 extra- intracranial anastomoses.
KeywordsMiddle Cerebral Artery Superficial Temporal Artery Blood Flow Study Graphic Filling Middle Cerebral Artery Branch
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