69. 動脈瘤直達手術時の電磁流量計による内頸動脈血流量モニター

概要

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Internal carotid artery flow was monitored in 52 patients undergoing surgery for intracranial saccular aneurysms. An electromagnetic flow probe was positioned on the common carotid artery and the external carotid artery was clipped during the intracranial surgery. Trimetaphan camsilate (Arfonad<SUP>®</SUP>) was used for induced hypotension. In 42 patients the mean arterial blood pressure (MABP) was reduced to 60 mmHg and in 27 patients to 40mmHg. There was a significant relationship between aging and internal carotid artery flow during induced hypotension. However, surgical grade did not relate to internal carotid artery flow. In 11 patients with basilar top aneurysms a significant reduction of internal carotid artery flow was monitored during the retraction of the intracranial portion of internal carotid artery in frontotemporal approach to the aneurysm.
The Japanese Society on Surgery for Cerebral Strokeの論文