title: Bilateral total knee arthroplasty after spontaneous osseous ankylosis in rheumatoid arthritis.
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 degrees . 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 degrees 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.
authors.affiliation: Department of Orthopaedic Surgery, Saiseikai Kanazawa Hospital, Ni-13-6 Akatsuchi-machi, Kanazawa, 920-0353, Japan. ojima@ka2.so-net.ne.jp
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Ojima
authors.forename: Akio
authors.initials: A
authors.lastname: Yokogawa
authors.forename: Kotaro
authors.initials: K
authors.lastname: Yamakado
authors.forename: Kyoichi
authors.initials: K
authors.lastname: Ogawa
authors.forename: Takashi
authors.initials: T
authors.lastname: Kobayashi
authors.forename: Akikatsu
authors.initials: A
authors.lastname: Nakashima
authors.forename: Haruhiko
authors.initials: H
authors.lastname: Ogawa