Surgical flow disconnection of cerebral pial dual-channel arteriovenous fistula with a large varix: the role of anti-platelet agent or anti-coagulation therapy |
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Authors: | Jeyul Yang O-Ki Kwon Chang Wan Oh Gyojun Hwang Kyung Sun Song Young Jin Lee Jae Seung Bang |
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Institution: | 1. Department of Neurosurgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, Korea
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Abstract: | Introduction Intracranial pial arteriovenous fistula (AVF) is a rare cerebrovascular lesion, and the literature is sparse. Most authors insist that simple disconnection of arteriovenous shunting is enough to treat intracral single-channel pial AVF in most cases, either by microsurgery or endovascular embolization without resection of entire vascular malformation. Discussion We report an insidious onset of peri-lesional edema formation after abrupt disconnection of AVF shunting with surgical arterial ligation. Treatment entailed anti-platelet and anti-coagulation agent to slow down thrombus formation in intracranial dual-channel pial AVF. We suggest that slowing down thrombus formation in the large varix with anti-platelet and/or anti-coagulation agents seems to be necessary in case of abrupt disconnection of shunting in intracranial single- or dual-channel pial AVF to prevent postoperative cerebral edema or infarction. |
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