This is particularly the case for patients with extreme curvature of the spine, who often need two or more operations, with correspondingly higher risks. The process with ordinary surgery goes as follows: The first incision is made via the thoracic cavity or the abdominal cavity.
尤其是治療 70 度以上大角度側彎、僵硬的側彎畸型患者，甚至需要施行兩次以上手術，風險更高。