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The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1360 - 1368
1 Oct 2016
Waterson HB Clement ND Eyres KS Mandalia VI Toms AD

Aims

Our aim was to compare kinematic with mechanical alignment in total knee arthroplasty (TKA).

Patients and Methods

We performed a prospective blinded randomised controlled trial to compare the functional outcome of patients undergoing TKA in mechanical alignment (MA) with those in kinematic alignment (KA). A total of 71 patients undergoing TKA were randomised to either kinematic (n = 36) or mechanical alignment (n = 35). Pre- and post-operative hip-knee-ankle radiographs were analysed. The knee injury and osteoarthritis outcome score (KOOS), American Knee Society Score, Short Form-36, Euro-Qol (EQ-5D), range of movement (ROM), two minute walk, and timed up and go tests were assessed pre-operatively and at six weeks, three and six months and one year post-operatively.