RCT: Mako Medial Unicondylar Knee Arthroplasty vs Oxford Unicondylar Knee Arthroplasty

Inclusion Criteria: * • Patient has medial unicompartmental knee osteoarthritis requiring primary UKA * Patient and Surgeon are in agreement that UKA is the most appropriate treatment * Patient is fit for surgical intervention following review by surgeon and anaesthetist * Patient is between 40-80 years of age at time of surgery * Gender: male and female * Patient must be capable of giving informed consent and agree to comply with the postoperative review program * Patient must be a permanent resident in an area accessible to the study site * Patient must have sufficient postoperative mobility to attend follow-up clinics and allow for radiographs to be taken Exclusion Criteria: * • Patient is not suitable for primary UKA e.g. multi-compartmental knee osteoarthritis, anterior cruciate ligament rupture * Patient is not medically fit for surgical intervention * Patient requires revision surgery following previously failed correctional osteotomy or ipsilateral UKA * Patient is immobile or has another neurological condition affecting musculoskeletal function * Patient is less than 40 years of age or greater than 80 years of age * Patient is already enrolled on another concurrent clinical trial * Patient is unable or unwilling to sign the informed consent form specific to this study * Patient is unable to attend the follow-up programme * Patient is non-resident in local area or expected to leave the catchment area postoperatively