Total Knee #Arthroplasty using Computer Assisted Surgery in Paget ’s disease of Knee-A case report by Eachempati KK in BJSTR
Abstract
The purpose of this case report is to highlight the advantages of
computer assisted navigation surgery (CAS) to improve the accuracy in
performing Total Knee Arthroplasty (TKA) in a patient affected by
Paget’s disease of the femur and secondary osteoarthrosis of knee.
Paget’s
disease can be associated with technical difficulties while performing
knee arthroplasty because of intra and/or extra-articular deformity in
either sagittal or coronal planes or both and there are published
reports of sub-optimal varus or valgus placement of components by the
manual
technique. A 55-year-old male with monostotic Paget’s involvement of the
femur with lateral femoral bowing and end stage arthrosis in the
knee was managed with a primary cemented cruciate-retaining TKA using
Aesculap Orthopilot 5.0 navigation system. His pre-op VAS score of
8/10 and Oxford Knee Score of 20 improved to 2/10 and 42 respectively at
1 year follow up. Knee involvement with Paget’s in Indian population
is extremely rare and we are not aware of any previous case reports of
using CAS in performing TKA in Paget’s. CAS can obviate the need for
corrective osteotomy when performing TKA in patients with
extra-articular deformity.
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