Detection of ophthalmic artery occlusion by visual evoked potential during carotid-ophthalmic artery aneurysm clipping

Takahiro OtaDepartment of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, JapanCorrespondence[email protected]

Tohru MizutaniDepartment of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan

Ayako HoribaDepartment of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan

Abstract

We report an intriguing case of carotid-ophthalmic artery (OA) aneurysm surgery, in which the visual evoked potential (VEP) wave diminished during temporary OA occlusion. VEP waves suddenly disappeared after clipping, and repositioning of the clip restored blood flow to the OA and recovered the VEP wave.

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Detection of ophthalmic artery occlusion by visual evoked potential during carotid-ophthalmic artery aneurysm clipping

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Detection of ophthalmic artery occlusion by visual evoked potential during carotid-ophthalmic artery aneurysm clipping

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