The Journal of Bone and Joint Surgery, Vol 73, Issue 5 739-744, Copyright © 1991 by Journal of Bone and Joint Surgery, Inc
Total knee arthroplasty for osteoarthrosis in patients who have Paget disease of bone at the knee
GT Gabel, JA Rand and FH Sim
Department of Orthopedics, Mayo Clinic, Rochester, Minnesota 55905.
Thirteen patients who had had sixteen total knee arthroplasties for pagetic
gonarthrosis were followed for a mean of seven years (range, two to fifteen
years). Involvement of the femur or tibia with Paget disease was associated
with multiple technical difficulties at operation and with a final position
in suboptimum varus or valgus alignment (ten limbs) or suboptimum alignment
of the mechanical axis (nine limbs). The presence of bone with Paget
disease did not affect the amount of blood lost during the operation, the
postoperative course, or the rate of loosening of the prostheses. At the
most recent evaluation, nine patients had no pain, three had mild pain, and
one had moderate pain. The mean Knee Society pain score improved from 42
points preoperatively to 88 points and the mean functional score, from 33
to 86 points.
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