wrap-clipping [Neurosurgery Wiki]

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In Twenty four patients who had undergone wrap-clipping microsurgery, eleven patients had internal carotid artery (ICA) blister-like aneurysms, three had dissecting type aneurysms, and ten had fusiform aneurysms. The follow-up period for the late clinical and angiographic results ranged from 10 to 75 months (mean 35 months). Wrap-clipping was performed in eleven, wrap-holding clipping was in ten, and combination of wrap-clip and wrap-holding clip was in three cases. At the last angiographic follow-up study, twelve aneurysms (50%) were found to have completely healed, and nine aneurysms (38%) were at least stable. However, wrap-holding clip for the elongated blister type of ICA aneurysm was found failed, leading to fatal rebleeding in one case, and two cases of combination of wrap-clip-wrap-holding clip revealed delayed branch occlusion and marked regrowing, respectively. 

Wrap-clipping strategy could be an easy and safe alternative for unclippable aneurysms. The wrapped aneurysm mostly disappeared, or at least remained stationary, after a long-term period. However, surgeons should be aware of that the wrapped aneurysm might become worse. Therefore, follow-up surveillance for an extended period should be mandatory
((Kim YB, Hong CK, Chung J, Joo JY, Huh SK. Long-term clinical and angiographic 
outcomes of wrap- clipping strategies for unclippable cerebral aneurysms. Yonsei 
Med J. 2014 Mar 1;55(2):401-9. doi: 10.3349/ymj.2014.55.2.401. PubMed PMID:
24532510.
)).