No infection was found.Conclusions For those over 60 years old with severe knee function impairment with pain and deformity, TKA is an ideal treatment, which provides satisfactory outcome.

• 结论对疼痛、畸形、明显影响功能、年龄在60岁以上的重症膝关节病患者选择TKA治疗，疗效满意。