バイパス併用による脳動脈瘤手術におけるBalloon occlusion test特異的なEC-IC側副血行路

概要

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In patients with unclippable internal carotid (IC) aneurysms, parent artery occlusion combined with bypass surgery is often indicated. To establish a strategy of such surgery, the preoperative IC occlusion test plays a major role. Recently we experienced 3 cases with EC-IC collateral pathway around the petrous portion of IC, which was evident only on common carotid angiography during balloon occlusion test of IC origin at the neck. Although the significance of this type of collateral pathway is yet to be known, it may be necessary to pay attention to this possible collateral flow into the aneurysm.
日本脳卒中の外科学会の論文
2003-07-31