Objective To investigate the safety and efficacy of endovascular treatment of distal middle cerebral artery aneurysms. Methods From January 2009 to December 2016,the medical records of 13 consecutive patients with distal middle cerebral artery aneurysm (a total of 14 aneurysms)were reviewed and enrolled. Endovascular treatment included coils,coils with liquid embolic materials,or using liquid embolic material alone for embolization of aneurysms or occlusion of parent arteries. The immediate outcome of aneurysm treatment was evaluated by Raymond classification,and the clinical prognosis was evaluated by the modified Rankin scale (mRS). DSA was use to conduct imaging follow-up study and was compared with the immediate treatment outcome in order to determine whether the aneurysms recurred or not. Results Of the 13 patients,8 were males,with an average age of 40 ±14 years. The maximum diameter of aneurysm was 1. 0 -12. 0 mm,the median size was 4. 5 mm. Fourteen aneurysms were successfully treated by endovascular treatment,4 of them were embolized,and the parent aneurysms were retained;10 aneurysms and parent arteries were occluded. Twelve aneurysms did not develop immediately after operation,and 2 of them had residual aneurysms. No new nerve dysfunction and related complications were found after endovascular treatment. The clinical follow-up period was 9 -96 months,and the median time was 30. 9 months. Twelve aneurysms were followed up for 6 -24 months with a median time of 15. 2 months. No recurrence of aneurysms were observed. Conclusions Using endovascular treatment technology for the treatment of distal middle cerebral artery aneurysms is safe and effective. It can be considered in the development of treatment programs.%目的 探讨应用血管内治疗技术治疗大脑中动脉远端动脉瘤的安全性和有效性.方法 连续纳入2009年1月至2016年12月于第二军医大学附属长海医院神经外科行血管内治疗的大脑中动脉远端动脉瘤13例患者(共14个动脉瘤)的病历资料进行回顾分析,血管内治疗包括弹簧圈、弹簧圈结合液体栓塞材料或单纯应用液体栓塞材料进行动脉瘤瘤内栓塞或闭塞载瘤动脉.以Raymond分级判定动脉瘤即刻治疗结果,以改良Rankin量表(mRS)评价患者临床预后.采用DSA行影像学随访,并与即刻治疗结果进行比较以判断动脉瘤是否复发.结果 13例患者中,男8例,平均年龄(40±14)岁.动脉瘤最大径为1.0~12.0 mm,中位数为大小4.5 mm.对14个动脉瘤均成功行血管内治疗,其中4个行瘤内栓塞,保留载瘤动脉;10个行动脉瘤及载瘤动脉闭塞.12个动脉瘤术后即刻造影不显影,2个瘤体残留.血管内治疗术后未见新发神经功能障碍及相关并发症.临床随访期限为9~96个月,中位数时间30.9个月,除2例患者血肿清除术后残余神经功能障碍外,其余患者临床预后良好.12个动脉瘤接受影像学随访,随访期限6~24个月,中位数时间15.2个月,均未出现动脉瘤复发.结论 应用血管内治疗技术治疗大脑中动脉远端动脉瘤安全、有效,在制定治疗方案时可以选择性采用血管内介入技术.
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