Application of LVIS stent-assisted coil embolization in intracranial wide-neck small aneurysms: clinical analysis of 32 cases

Abstract

Objective To discuss the application effect of LVIS stent-assisted coil embolization in intracranial wide-neck small aneurysms. Methods The clinical data of 32 patients with intracranial wide-neck small aneurysms treated with stent-assisted coil embolization were analyzed retrospectively and evaluated. Results In 32 cases, the embolization grade was Raymond Ⅰ in 23 cases, Raymond grade Ⅱ in 7 cases, and Raymond Ⅲ in 2 cases.The successful embolization rate was 93.8%.No aneurysm was ruptured during embolization.One patient had thrombotic event in the surgery, but the occluded artery was recanalized after the treatment of immediate thrombolysis.Disorder of contralateral limb′s activity and confusion were appeared in two patients after surgery.The symptoms improved by giving clopidogrel, aspirin and increasing the dosage of nimodipine.All the survival patients recovered well after 6 months of follow-up.No recurrence of aneurysm was confirmed by DSA and parent artery was patent. Conclusion Lvis stent is simple to be operated and has various models, suitable for most intracranial aneurysms, showing good performance.It suits embolization therapy in intracranial wide-neck small aneurysms, but the strong thrombosis should be valued. Key words: Intracranial aneurysm; Stent; Embolization, therapeutic