The mitochodria volume density of them were relatively higher in the animal model and betaloc groups.Conclusion Captopril can prevent cardiae hypertropy and protect myocytes against injuring factors.

• 结论：血管紧张素转换酶抑制剂卡托普利能防治心肌肥厚并具有保护心肌细胞免受损伤性因素的作用。