Between February 1996 and December 1997, 40 consecutive patients with medial compartment knee arthritis were assigned randomly into 2 groups. All underwent a unicompartimental knee replacement. The tibial prosthesis in group A (20 knees) had a fixed bearing and in group B (20 knees) a mobile bearing. The average age was 69. 5 in group A and 71 in group B. Pre-operatively, and at an average follow-up of 5.7 years, all the knees were assessed using both a dedicated UKR score specifically developed and adopted by the Italian Orthopaedic Unicompartimental Knee Replacement Users Group (GIUM) and the Knee Society Score. During surgery in group B we experienced a medial tibial plateau fracture fixed intra-operatively. One prosthesis in group A required an early revision to a TKR because of a continuous pain without any evident sign of loosening. There were no meniscal dislocations in group B. No statistically significant difference in outcome was observed between the 2 groups at the latest follow-up.
Copyright remains with the authors and publisher.
Between February 1996 and December 1997, 40 consecutive patients with medial compartment knee arthritis were assigned randomly into 2 groups. All underwent a unicompartimental knee replacement. The tibial prosthesis in group A (20 knees) had a fixed bearing and in group B (20 knees) a mobile bearing. The average age was 69. 5 in group A and 71 in group B. Pre-operatively, and at an average follow-up of 5.7 years, all the knees were assessed using both a dedicated UKR score specifically developed and adopted by the Italian Orthopaedic Unicompartimental Knee Replacement Users Group (GIUM) and the Knee Society Score. During surgery in group B we experienced a medial tibial plateau fracture fixed intra-operatively. One prosthesis in group A required an early revision to a TKR because of a continuous pain without any evident sign of loosening. There were no meniscal dislocations in group B. No statistically significant difference in outcome was observed between the 2 groups at the latest follow-up.
Copyright remains with the authors and publisher.