Abstract
Severe symptomatic osteoarthritis in young and active patients with pre-existing deficiency of the anterior cruciate ligament and severe functionally instability is a difficult subgroup to manage. There is considerable debate regarding management of young patients with isolated unicompartment osteoarthritis and concomitant ACL deficiency. A retrospective analysis of was done in 9 patients with symptomatic osteoarthritis with ACL deficiencies and functional instability that were treated with unicompartment knee arthroplasty and ACL reconstruction between April 2002 and June 2005. The average arc of flexion was 119° (range 85° to 135°) preoperatively and 125° (range 105° to 140°). There were no signs of instability during the follow up of patients. No patients in this group were reoperated. In this small series we have shown that instability can be corrected and pain relieved by this combined procedure.
Highlights
Isolated unicompartmental osteoarthritis of the knee is common
Operative treatment varies from high tibial osteotomy, unicompartmental knee replacement and total knee replacement according to the age of the patient and the level of activity [1]
We report the early term results of fixed bearing unicompartmental knee arthroplasty in patients with isolated one compartment osteoarthritis and concomitant anterior cruciate ligament (ACL) deficiency with functional instability, in whom ligament reconstruction was undertaken as a combined procedure
Summary
Operative treatment varies from high tibial osteotomy, unicompartmental knee replacement and total knee replacement according to the age of the patient and the level of activity [1]. There is considerable debate regarding management of young patients with isolated unicompartment osteoarthritis and concomitant ACL deficiency. Various surgical options have been described, including arthroscopic debridement, reconstruction of the ACL, high tibial osteotomy with or without ACL reconstruction, unicompartmental knee arthroplasty and total knee replacement [2]. None of these address the two major symptoms apart from total knee replacement
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