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Published on: September 29, 2018
Total knee arthroplasty in patients with Paget's disease of bone: A systematic review
Ravi Popat1, Konstantinos Tsitskaris2, Steven Millington2
1Department of Trauma and Orthopaedic Surgery, the Hillingdon Hospitals NHS Foundation Trust, Uxbridge UB8 3NN, United Kingdom. r.popat14@imperial.ac.uk.
Aim:
To determine the functional outcomes, complications and revision rates following total knee arthroplasty (TKA) in patients with Paget's disease of bone (PDB).
Methods:
A systematic review of the literature was performed. Four studies with a total of 54 TKAs were included for analysis. Functional outcomes, pain scores, complications and revision rates were assessed. The mean age was 72.0 years and the mean follow-up was 7.5 years.
Results:
All studies reported significant improvement in knee function and pain scores following TKA. There were 2 cases of aseptic loosening, with one patient requiring revision of the femoral component 10 years after the index procedure. Malalignment, bone loss, soft tissue contractures were the most commonly reported intra-operative challenges. There were five cases (9%) that were complicated by intra-operative patellar tendon avulsion.
Conclusion:
The findings support the use of TKA in patients with PDB. The post-operative functional outcomes are largely similar to other patients, however there are specific perioperative challenges that have been highlighted, in particular the high risk for patellar tendon avulsion.
