Conclusions: In vitro, 0.5% ropivacaine is significantly less toxic than 0.5% bupivacaine in both intact human articular cartilage and chondrocyte culture.

• 结论：在体外，无论是作用于完整的人体关节软骨还是软骨细胞培养，0.；5%25罗哌卡因的毒性都明显低于0