目的：探讨微栓子不同组成和大小与脑缺血损伤程度的相关性。
Aim: To study the correlation between the cerebral ischemic injury and the microemboli of different composition and size.
吻合技术通过微栓子改变功能毛细血管的密度而影响组织存活。
The anastomotic technique affects functional capillary density through microembolization and moreover influences the tissue survival.
方法全部病人均进行微栓子监测以及弥散加权磁共振（DWI）检查。
Methods Patients underwent microembolic signal monitoring by transcranial Doppler(TCD) and diffusion-weighted magnetic resonance imaging(DWI).
早期发现微栓子信号，可及时采取预防和治疗措施，减少脑梗死发生。
If microemboli signal are discovered early, preventive and therapeutic measurements can be taken in time, and the incidence of cerebral infarction can be reduced.
目的应用经颅多普勒超声（TCD）动态观察脑保护滤网下颈动脉支架成形术中各操作阶段所产生的微栓子信号（MES）数量。
Objective Transcranial Doppler (TCD) can be used to monitor microembolic signals (MES) in different procedure phases during filter-protected carotid angioplasty and stenting(CAS).
结论：疏血通注射液对急性缺血性脑卒中的微栓子具有预防和治疗作用；tcd栓子自动监测有助于及时发现微栓子、评估药物疗效。
CONCLUSION: Shuxuetong injection has preventive and therapeutic effects on MES of AIS, TCD automatic embolus monitor helps to find MES in time and evaluate the effect of drugs.
门脉系统内未见栓子微球。
门脉系统内未见栓子微球。
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