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Clip slippage is a rare occurrence, and the scissoring or torsional failure of aneurysm clips is rarer still. Titanium clips have been implicated in a few such reported cases. The authors report its occurrence while using a fenestrated cobalt alloy clip for an internal carotid artery aneurysm which was identified by intraoperative angiography and rectified by re-applying a non-fenestrated cobalt alloy clip. The possible mechanism of this complication, and measures that may prevent its occurrence, including meticulous dissection, decompression when possible, proper clip selection, and intraoperative angiogram are described.




Cerebral aneurysm Clip failure Intra-operative angiogram Case report India.

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Kariyattil, R., & Panikar, D. (2013). Scissoring of a Cobalt Alloy Aneurysm Clip causing Slippage during Cerebral Aneurysm Surgery : Case report and review of literature. Sultan Qaboos University Medical Journal, 13(1), 179–182. Retrieved from

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