AI Article Synopsis
- A patient with a prosthetic joint infection of the knee underwent a first-stage revision but still had persistent infection after 9 months.
- A second surgery led to the discovery of Mycobacterium wolinskyi, a rare bacteria, during testing of the cement spacer.
- After an extended antibiotic treatment, the patient had a successful implantation and was infection-free one year later, showcasing the challenges of diagnosing infections caused by rare organisms.
Article Abstract
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.
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| http://dx.doi.org/10.2106/JBJS.CC.18.00315 | DOI Listing |
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