Computer-assisted orthopedic surgery

Computer-assisted surgery (CAS) has been used in orthopaedic surgery for over 20 years. Through real-time and quantitative feedback, it provides the surgeons the visibility of surgical anatomy, improves accuracy, reduces the outlier of the surgical results and maximizes the outcomes. CAS has been popularly applied in joint arthroplasty, bone osteotomy, implantation of screws in spine surgery, reconstruction of ligaments in sports medicine, open reduction and internal fixation of long-bone fracture and tumor surgery. The article is to overview the current CAS clinical application status and related outcomes. Whether the better postoperative images can translate into improved clinical functional outcomes deserves long term follow up.