沃林斯基分枝杆菌：在一例持续性人工膝关节感染中分离出的罕见菌株：病例报告
Mycobacterium wolinskyi: A Rare Strain Isolated in a Persistent Prosthetic Knee Joint Infection: A Case Report.
作者信息
Bhatnagar Nishit, Poojary Aruna, Maniar Adit, Contractor Armaity, Rohra Seema, Kumar Gaurav
机构信息
Department of Orthopaedics, Indraprastha Apollo Hospital, New Delhi, India.
Department of Pathology and Microbiology, Breach Candy Hospital, Mumbai, India.
出版信息
JBJS Case Connect. 2019 Jul-Sep;9(3):e0315. doi: 10.2106/JBJS.CC.18.00315.
CASE
A patient who underwent first-stage revision procedure elsewhere for prosthetic joint infection (PJI) of the knee with Kocuria rosea presented to us 9 months after the index surgery, with persistent infection. First-stage revision surgery was repeated and Mycobacterium wolinskyi, a rare rapidly growing nontuberculous mycobacterium (RGM), was isolated from samples obtained by sonication of the cement spacer. After a prolonged antibiotic course, definitive implantation surgery was done. One-year postimplantation, patient remains infection free.
CONCLUSIONS
This is only the second known case of knee PJI caused by M. wolinskyi. This case highlights the possibility of RGM getting masked by other organisms.
病例
一名因膝关节人工关节感染（PJI）在其他地方接受了第一阶段翻修手术的患者，感染了玫瑰库克菌，在初次手术后9个月前来我院就诊，感染持续存在。再次进行了第一阶段翻修手术，从骨水泥间隔物超声处理获得的样本中分离出了沃林斯基分枝杆菌，这是一种罕见的快速生长的非结核分枝杆菌（RGM）。经过长时间的抗生素疗程后，进行了确定性植入手术。植入后一年，患者仍未感染。
结论
这是已知的第二例由沃林斯基分枝杆菌引起的膝关节PJI病例。该病例突出了RGM被其他微生物掩盖的可能性。
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