Unicompartmental knee arthroplasty for medial osteoarthritis / 中华骨科杂志

ABSTRACT

Unicompartmental knee arthroplasty (UKA), an alternative technology that has been prevailed upon Orthopedics which was proven by time that it's not only an effective treatment for patients with anterior medial knee osteoarthritis, additionally, it plays an important role in the staged treatment of knee osteoarthritis. The advantage of UKA is that patients would receive minimal invasion and faster recovery and it is more suitable for elderly patients. Nevertheless, UKA was also an advisable choice of young patients due to its maximum retention of the knee joint sensation, with a reflect on higher post operation score on FJS (forgetting joint score) . The ideal clinical efficacy of unicompartmental knee arthroplasty is relied on the improvements on the latest artificial joint design and surgical skill approaches, and as a consequence, indications and contraindications for UKA have renovated. A subset of patients who were previously thought to be contraindicated to perform UKA (such as medial patellofemoral joint mild arthritis) can be reassessed and performed UKA today which called relative contraindications or Non-essential contraindications. The main objective of this article is to provide a new concept of UKA to surgeons, and to provide the best treatment options for patients with different complications according to the latest preoperative evaluation criteria. According to our experience, it is recommended that surgeons should accumulate a certain amount of total joint replacement experience and then to carry out UKA surgery, which will achieve better results.