全膝关节置换术后化妆品分枝杆菌感染：一例报告
Mycobacterium cosmeticum Infection After Total Knee Arthroplasty: A Case Report.
作者信息
Vutescu Emil Stefan, Koenig Karl M
机构信息
Geisel School of Medicine at Dartmouth, Hanover, New Hampshire.
Department of Orthopaedics and Sports Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.
出版信息
JBJS Case Connect. 2017 Jan-Mar;7(1):e3. doi: 10.2106/JBJS.CC.16.00099.
CASE
A 67-year-old immunocompetent man presented with a periprosthetic infection 4 months after a left total knee arthroplasty. Repeated aspirations failed to show any organism growth. After irrigation and debridement with polyethylene exchange, there was minimal clinical improvement. Subsequently, the patient developed an arthrocutaneous fistula, which prompted a 2-stage revision arthroplasty. Mycobacterium cosmeticum grew on the culture specimens taken during this procedure, and the patient was treated with 6 months of antibiotics.
CONCLUSION
To our knowledge, this is the first reported case of an M. cosmeticum prosthesis-related infection. The patient recovered well following a 2-stage revision arthroplasty and treatment with a Mycobacterium species-specific antibiotic.
病例
一名67岁免疫功能正常的男性在左全膝关节置换术后4个月出现假体周围感染。反复抽吸未发现任何微生物生长。在进行聚乙烯置换冲洗和清创术后，临床改善甚微。随后，患者出现关节皮肤瘘，这促使进行二期翻修关节成形术。在该手术过程中采集的培养标本中培养出了耻垢分枝杆菌，患者接受了6个月的抗生素治疗。
结论
据我们所知，这是首例报道的耻垢分枝杆菌假体相关感染病例。该患者在二期翻修关节成形术及使用针对分枝杆菌的特异性抗生素治疗后恢复良好。
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