Results After 3 days for operation, HE staining showed multi-focal myocardial necrosis with inflammatory cells infiltration and necrosis with more involvement in subendocardial region.

• 结果术后3天，微栓塞组心肌内点状分布的坏死灶形成，多位于心内膜下，周围炎症细胞浸润明显增多，符合微栓塞病理学改变。