Bilateral total knee arthroplasty after spontaneous osseous ankylosis in rheumatoid arthritis |
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| Authors: | Tomohiro Ojima Akio Yokogawa Kotaro Yamakado Kyoichi Ogawa Takashi Kobayashi Akikatsu Nakashima Haruhiko Ogawa |
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| Affiliation: | (1) Department of Orthopaedic Surgery, Saiseikai Kanazawa Hospital, Ni-13-6 Akatsuchi-machi, Kanazawa 920-0353, Japan;(2) Department of Orthopaedic Surgery, Hokuriku Hospital, Kanazawa, Japan;(3) Department of Internal Medicine, Saiseikai Kanazawa Hospital, Kanazawa, Japan |
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| Abstract: | Total knee arthroplasty (TKA) was carried out on both knee joints for spontaneous bony ankylosis due to rheumatoid arthritis (RA). Preoperative fixation angles were 40°. First, the peroneal nerve was released prior to TKA. Quadriceps snip was performed to evert the patella laterally. Bilateral TKAs were carried out using a stabilized prosthesis. The results showed full extension to 70° flexion at 3 years after the surgery. Absence of pain, maintenance of stability, and walking ability were achieved, without any significant complication. Total knee arthroplasty following takedown of a spontaneous ankylosed knee is an effective procedure under appropriate knee conditions. |
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| Keywords: | Rheumatoid arthritis (RA) Spontaneous bony ankylosis Total knee arthroplasty (TKA) |
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