Objective To observe the results of the metastatic tumor of spinal vertebra treated withreplacement of the artificial vertebral body.
目的观察人工椎体置换治疗脊椎转移性肿瘤的疗效。
2
Conclusion Bileaflet valve has a better hemodynamic influence than tilting disk valve in on patients withreplacement of mitral valve.
结论双叶机械瓣对二尖瓣置换术患者的血流动力学影响优于倾斜碟瓣。
3
Suboccipital retrosibmoidal craniotomy withreplacement of bone flap and deep muscle incision, suture in turn were used in patients to improve the operative effect of posterior fossa tumor.