Aim: To study the correlation between the cerebral ischemic injury and the microemboli of different composition and size.
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。
Conclusion: during left heart catheterization, cerebral microemboli, especially those which are solid, may damage the brain.
结论：左心导管术期间，脑部微栓塞可能导致脑损伤，尤其是固体栓塞。
If microemboli signal are discovered early, preventive and therapeutic measurements can be taken in time, and the incidence of cerebral infarction can be reduced.
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。
Sometimes the microemboli can be identified in the gross specimen by gentle pressure on fresh tissue slices immersed in saline, which releases the droplets and permits them to float to the surface.
有时微小脂肪栓子能在大体标本中被识别。方法是将新鲜组织薄片浸入盐水中，再轻轻压迫组织，则脂肪小滴释出并漂浮到水面。
Sometimes the microemboli can be identified in the gross specimen by gentle pressure on fresh tissue slices immersed in saline, which releases the droplets and permits them to float to the surface.
有时微小脂肪栓子能在大体标本中被识别。方法是将新鲜组织薄片浸入盐水中，再轻轻压迫组织，则脂肪小滴释出并漂浮到水面。
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