急性脑大血管闭塞具有高致残性、致死性,而支架取栓术能快速有效地开通闭塞大血管,挽救缺血性脑组织,减少梗死面积,降低该类疾病的致残率及致残率;支架取栓术的主要并发症是症状性脑出血,其发生率波动于0~0.7%。症状性脑出血的定义为术后36h内新发脑实质血肿,并伴有NHISS评分增加至少4分,症状性脑出血的相关因素包括年龄、治疗前神经功能缺损严重度、缺血面积、补救性血管内治疗-动脉注射阿替普酶的应用。而多支豆纹动脉同时出血更是少见,以下报告1例。 病例信息 患者:女性,55岁,因“突发右侧肢体无力5h”于8:40急诊入院。 既往:有风湿性心脏病,心律失常、心房颤动病史6年,未服用抗凝药,5年前出现右侧脑梗死病史,其mRS评分为1分,自此以后服用阿司匹林。 查体:血压130/65mmHg,NHISS 20分,神志清楚,混合性失语,双眼向左侧凝视,右侧肢体肌力0级。心电图示心房颤动。8:55头颅CT示右侧颞岛叶、豆状核、半卵圆中心脑软化灶,左侧颈内动脉末段、大脑中动脉致密征。ASPECT 10分。血糖6.8mmol/L。 患者诊断“急性左侧颈内动脉末端闭塞”明确,于全麻下行支架取栓术,术中血压稳定,9:20完成腹股沟动脉穿刺,予静脉应用20mg肝素,造影检查提示左侧颈内动脉(ICA)末端及左侧大脑中动脉闭塞,动脉闭塞分级(arterial occlusive lesion scale grade,AOL)为0级(图A),血流代偿(American Society of Interventional and Therapeutic Neuroradiology Collateral GradingSystem,ACG) 1级(图B),将8F导引导管置入左侧颈内动脉岩骨段,微导管(Rebar 27)在0.014微导丝(Floppy)辅助下穿过闭塞血管,微导管冒烟证实微导管位于血栓远段,撤出微导丝,将6~30mm Solitaire AB沿微导管送至血栓远段,后撤微导管释放支架,完全覆盖血栓段,约5min后部分回收支架,撤出支架及微导管,此过程使用50ml注射保持负压抽吸导引导管,采用上述方法进行共4次拉栓,每次均能拉出栓子,第4次拉栓前数字减影血管造影(DSA)提示左侧颈内动脉完全再通,左侧大脑中动脉M1段部分再通(图C),第4次拉栓后DSA左侧大脑中动脉M1段完全再通,M2段闭塞,多支豆纹动脉严重出血(图D和图E),Dynamic CT示左侧基底节出血(图F),予鱼精蛋白综合肝素,结束手术,患者逐渐进入昏迷,后自动出院。 图A-E 数字减影脑血管造影。A示左侧颈内动脉末段及大脑中动脉急性闭塞;B示大脑前动脉通过脑膜支代偿,但代偿差;C示第4次取栓前示左侧颈内动脉末段完全再通,左侧M1段部分再通,豆纹动脉无出血;D和E示第4次取栓后左侧M1和ICA完全再通,M2段闭塞,多支豆纹动脉同时严重出血;F示双侧基底节严重出血 据我们所知,这是首例报道DSA上观察到非操作相关性多支豆纹动脉同时出血。其原因考虑如下:
因此,DSA观察到的严重的非操作相关性的多支豆纹动脉同时出血是少见,可能与许多因素相关,是严重的并发症,预后差,值得神经介入医生注意。 作者:易婷玉 陈文伙 吴燕敏 福建医科大学附属漳州市医院
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