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Lee, Jong Hun,Youn, Sung Won,Kim, Ho Kyun Edizioni del Centauro 2014 Interventional neuroradiology Vol.20 No.1
<P>The cerebral protection device (CPD) itself may cause complications, including locking between the CPD and other devices, that may result in catastrophic outcomes requiring surgical removal of these locked devices. We describe a case of locking between a CPD and the stent-delivering catheter during carotid artery stenting, which was safely rescued by endovascular retrieval. The mechanism underlying locking with the CPD as well as preventive actions and maneuvers for rescuing the situation are discussed.</P>
Choi, B S,Park, J W,Shin, J E,Lü,, P-H,Kim, J K,Kim, S J,Lee, D H,Kim, J S,Kim, H J,Suh, D C Edizioni del Centauro 2010 Interventional neuroradiology Vol.16 No.3
<P>Summary: Management of symptomatic carotid near occlusion especially in high-risk patients is different from outcome analysis of NASCET. We evaluated outcome in high-risk patients with symptomatic near occlusion. For 48 patients with near occlusion out of 166 symptomatic high-risk patients who underwent carotid stenting, we assessed the procedural success defined as residual stenosis <30%, modified Rankin Scale (mRS) at one and six months following stenting, and the 13 cerebrovascular factors related to the outcome. Initial National Institutes of Health Stroke Scale (NIHSS) ??, 1-3 and 0 were 13, 14 and 21 patients each. We compared the outcome with patients who underwent CAS (n=118) due to symptomatic stenosis without near occlusion during the same period. Our procedural success rate was 98%. A good outcome (mRS ??) was achieved in 44 patients (92%) at six months. There were five events (10%) within six months, i.e. three minor strokes, one major stroke caused by hemorrhage, and one death excluding two deaths not related to stroke. Hyperperfusion (n=4) was the most common cause of events leading to two minor strokes and a major stroke. Although initial NIHSS (P = .012) was related to poor outcome (mRS >2) compared to the CAS group, there was no statistical significance between two groups in the event rate of stroke, death or restenosis. The outcome of carotid stenting in high-risk patients with symptomatic near occlusion did not reveal any difference compared with CAS. Poor outcome was related to the initial NIHSS (??). Hyperperfusion tended to be more commonly related to an event occurring after stenting.</P>
Kim, S M,Lee, D H,Choi, J W,Choi, B S,Kwon, S U,Jeong, K S,Suh, D C Edizioni del Centauro 2009 Interventional neuroradiology Vol.15 No.2
<P>Summary: During local intra-arterial thrombolysis (LIT), management of the secondary embolization of a fragmented or dislodged clot can be cumbersome. The fate could be dismal if without pursuit and lysis of the migrated clot. Recently, we successfully managed a patient with acute ischemia due to a large clot impinged in the mid basilar trunk while avoiding distal migration of the clot by containing the impinged clot using a self-expandable stent during LIT.</P>