Osaka University Model TEA for RA Patients

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概要

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• Objective: To clarify the most reliable choice of prosthesis in Osaka University Model TEA.<BR>Patients and Methods: Fifty-three RA patients who underwent TEA at Osaka Rosai Hospital between 1998 and 2005 were reviewed. They were divided into 3 groups by their types of prostheses. They were Group A: 16 patients with a press fitted humeral prosthesis with short stem, Group B: 21 patients with a standard stem, and Group C: 16 patients with a superficially cemented humeral prosthesis with standard stem and cemented ulnar prosthesis. Operative records and clinical and radiological assessments were investigated retrospectively, and statistically analyzed between those groups.<BR>Results: Great functional amelioration was observed in each group, with no significant difference between groups. Bone quality of the distal humerus was a key factor for implant survival. Two of 16 humeral prostheses in Group A required revision surgery due to aseptic loosening. The press-fitted contact between bone and implant was unreliable in those cases due to their poor bone quality, while a better radiological prognosis was seen in the cases with good bone-implant contact. Two of 37 ulnar prostheses in Group A and B showed radiolucent lines under 2 mm wide, but did not require revision surgery.<BR>Conclusion: Reconstruction of distorted RA elbows with Osaka University Model TEA was mostly good and comparable with other non-constrained prostheses. Our results for short-stem humeral prostheses used in Group A justified their further use as long as bone implant contact can be achieved, but we recommend a standard stem for all RA patients for a more reliable outcome.

• 日本関節病学会の論文

日本関節病学会 | 論文

• 関節リウマチ患者における手術と機能回復
• 低出力超音波刺激(LIPUS)および線維芽細胞増殖因子(FGF-2)の骨形成促進作用におけるヒアルロン酸(HA)の影響
• 変形性関節症に対するグルコサミン・コンドロイチンの有用性 (第36回[日本関節病]学会寄稿)
• 人工膝関節再置換術の経験--脛骨結節骨切り術の適応と合併症について
• RA頚椎病変に対する上位頚椎後方除圧固定術の治療成績と問題点

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