Three weeks later, the qualified animals were randomized into four groups: EHT group (n=12), which were transplanted with both cardiomyocytes and matrix; cell transplantation group (n=12); matrix group (n=12) , control (n=11).

• 心肌梗死后合格的动物模型随机分成EHT组(n=12)、单纯心肌细胞组(n=12)、单纯基质组(n=12)、对照组(n=11)。