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Updated: May 2, 2026

In Vivo Mouse Model of Spinal Implant Infection
Published on: June 23, 2020
[Vancomycin resistant Staphylococcus epidermidis caused prosthesis infection. Linezolid and rifampicin healed the
Anders Håkanson1, Inga Fröding2, Carin Ottosson3
1Infektion/Venhälsan - Södersjukhuset Stockholm, Sweden Infektion/Venhälsan - Stockholm, Sweden.
Abstract:
Coagulase-negative Staphylococci, including Staphylococcus epidermidis, are common pathogens in orthopedic prosthesis infections. Operation and prolonged treatment with rifampicin in combination with another antibiotic is often required. Coagulase-negative Staph-ylococci are frequently multi-resistant, but resistance to vancomycin is rare in Sweden. Linezolid is an alternative, however it is only recommended for up to 4 weeks treatment due to risk of hematological side effects. We have successfully used prolonged treatment with linezolid and rifampicin in a patient suffering from a complicated prosthetic joint infection caused by a vancomycin resistant Staphyloccous epidermidis strain.
Insights
Coagulase-negative Staphylococci cause difficult orthopedic infections. Prolonged linezolid and rifampicin treatment successfully managed a vancomycin-resistant Staphylococcus epidermidis prosthetic joint infection.
Area of Science:
- Orthopedic Surgery
- Infectious Diseases
- Microbiology
Background:
- Coagulase-negative Staphylococci (CoNS) are primary pathogens in orthopedic prosthesis infections.
- CoNS often exhibit multi-drug resistance, complicating treatment regimens.
- Vancomycin resistance in CoNS is uncommon in Sweden, but poses a significant therapeutic challenge.
Observation:
- Linezolid is an alternative antibiotic for CoNS infections but is typically limited to four weeks due to potential hematological side effects.
- A patient presented with a complicated prosthetic joint infection caused by a vancomycin-resistant Staphylococcus epidermidis strain.
Findings:
- Successful prolonged treatment was achieved using a combination of linezolid and rifampicin.
- This regimen effectively managed the complex prosthetic joint infection.
Implications:
- Extended linezolid and rifampicin therapy may be a viable option for challenging vancomycin-resistant CoNS prosthetic joint infections.
- This approach could offer an alternative for patients with limited treatment options.
- Further research into prolonged linezolid use for resistant orthopedic infections is warranted.
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