皮肌炎患者分枝杆菌复合Native 膝关节感染性关节炎行膝关节融合术：病例报告。
Knee Arthrodesis for Mycobacterium avium Complex Native-Knee Septic Arthritis in a Patient with Dermatomyositis: A Case Report.
机构信息
Yale New Haven Hospital Department of Orthopaedics and Rehabilitation, New Haven, Connecticut.
Yale School of Medicine, New Haven, Connecticut.
出版信息
JBJS Case Connect. 2022 Jul 13;12(3). doi: e22.00060. eCollection 2022 Jul 1.
CASE
A 43-year-old woman with dermatomyositis presented with Mycobacterium avium complex (MAC) knee septic arthritis with superimposed polymicrobial infection. After poor infection control with antibiotic therapy, she underwent debridement and antibiotic cement spacer placement, followed by knee arthrodesis 6 months later. At 2-year follow-up, she had no pain and was ambulating without assistive devices.
CONCLUSION
As far as we know, this is the first reported case of MAC native-knee septic arthritis successfully treated with antibiotic cement spacer followed by knee arthrodesis. This case sheds insight on treatment strategies for a rare native-knee infection.
病例
一位 43 岁的皮肌炎女性患者发生鸟分枝杆菌复合体（MAC）膝关节化脓性关节炎，合并多种微生物感染。经抗生素治疗后感染控制不佳，患者接受清创术和抗生素骨水泥占位器植入术，6 个月后行膝关节融合术。2 年随访时，患者无疼痛，可无辅助设备行走。
结论
据我们所知，这是首例报道的 MAC 膝关节原发性化脓性关节炎经抗生素骨水泥占位器治疗后成功行膝关节融合术的病例。该病例为这种罕见的膝关节原发性感染的治疗策略提供了新的思路。
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