Favorable outcome of a tractional direct anterior approach to total hip arthroplasty in a patient with Charcot arthropathy : case report

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  • Case Report : Favorable outcome of a tractional direct anterior approach to total hip arthroplasty in a patient with Charcot arthropathy : case report

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[SUMMARY] Introduction: It is generally believed that total hip arthroplasty(THA) is contraindicated in Charcot arthropathy because of poor outcome. We describe a patient with Charcot arthropathy of the hip with a two-year follow-up after THA. Case report: A 59-year-old woman with Charcot-Marie-Tooth disease complained of a sense of discomfort in her right hip joint and gait disturbance. X-ray imaging revealed disappearance of the right femoral head because of joint destruction. THA was conducted under a diagnosis of Charcot arthropathy. To prevent postoperative dislocation, a tractional direct anterior approach was applied to preserve the remaining muscle strength with a minimally invasive technique providing quick rehabilitation. Three dimensional, CT-based preoperative planning was used to achieve a safe zone for the implant alignment. Conclusion: At two years after the THA, the outcome in this patient with Charcot’s arthropathy is satisfactory.

[要旨] 【緒言】一般的に股関節のシャルコー関節に対する人工股関節置換術は禁忌であると考えられていた。しかし近年成績良好な報告が散見されており,適応には議論がある。 【症例】症例はCharcot-marie-tooth 病の既往のある59歳女性,誘引なく歩行困難感が出現し受診した。レントゲン,CT で右大腿骨頭の消失を認め,シャルコー関節の診断とし,人工股関節置換術を施行した。牽引手術台を用いた前方アプローチにより軟部組織の温存をはかることで脱臼を予防した。術前計画に3 次元テンプレートソフトを用い,インプラントのアライメントを確認した。 【結論】2 年と追跡期間は短いものの,シャルコー関節に対する人工股関節置換術で良好な成績を得た。

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