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大脑中动脉M1段重度狭窄与闭塞患者脑梗死类型的比较 被引量:3

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摘要 目的对比研究大脑中动脉M1段重度狭窄与闭塞所致脑梗死的临床表现及脑梗死的类型,并进一步探讨大脑中动脉M1段重度狭窄与闭塞所致梗死的相关发病机制。方法回顾性分析53例由大脑中动脉M1段重度狭窄与闭塞所致的相应供血区脑梗死患者的临床和影像学资料,根据头颅磁共振血管成像(MRA)或全脑动脉造影检查结果,将患者分为重度狭窄组29例和闭塞组24例,分析两组患者的临床资料,并根据脑动脉供血区分型模板,确定头颅磁共振弥散成像上脑梗死的类型。结果年龄、性别、有无高血压、有无长期饮酒、抽烟等方面,两组患者比较差异无统计学意义(P>0.05)。其中,大脑中动脉闭塞组患者多合并糖尿病、冠心病,与大脑中动脉重度狭窄组比较,差异有统计学意义(P<0.05),闭塞组患者的NIHSS评分高于重度狭窄组(P<0.05),两组患者的梗死病灶特点不同,重度狭窄组皮质分支动脉供血区梗死(PI)、小的穿支动脉供血区梗死(SPAI,病灶直径<2cm)、大的穿支动脉供血区梗死(LPAI,病灶直径>2cm)、分水岭区梗死(BZI)、大面积梗死(LTI)、深穿支动脉供血区梗死(PAI)+PI、PAI+BZI、PI+BZI病灶分别0例、3例、4例、16例、0例、1例、3例、2例,而闭塞组分别为1例、2例、4例、3例、2例、5例、5例、2例,两组比较差异有统计学意义(P<0.05)。结论闭塞组患者多合并糖尿病及冠心病,大脑中动脉M1段重度狭窄组患者梗死多表现为分水岭病灶,而穿支受累是大脑中动脉M1段闭塞患者的主要发病机制。
出处 《中华临床医师杂志(电子版)》 CAS 2012年第12期158-160,共3页 Chinese Journal of Clinicians(Electronic Edition)
基金 2009年广州市医药卫生科技项目(2009-YB-206)
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共引文献99

同被引文献37

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