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Published on: December 3, 2017
Infected total knee arthroplasty due to Actinomyces naeslundii
1Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana 70112, USA.
Scandinavian Journal of Infectious Diseases
|April 17, 2001
Abstract:
A case of a total knee arthroplasty infection with Actinomyces naeslundii is described. The difficulties of therapeutic decision-making are emphasized.
Insights
This case study details a rare total knee arthroplasty infection caused by Actinomyces naeslundii. It highlights the complex challenges in making treatment decisions for such infections.
Area of Science:
- Orthopedic Surgery
- Infectious Diseases
- Microbiology
Background:
- Total knee arthroplasty (TKA) is a common orthopedic procedure.
- Prosthetic joint infections (PJIs) are serious complications following TKA.
- Actinomyces species are uncommon causes of PJIs.
Observation:
- A patient developed a TKA infection due to Actinomyces naeslundii.
- Diagnosis involved microbiological identification of the pathogen.
- Clinical presentation and diagnostic challenges were noted.
Findings:
- Actinomyces naeslundii identified as the causative agent of TKA infection.
- Treatment required careful consideration due to the nature of the organism.
- Therapeutic decision-making presented significant difficulties.
Implications:
- This case underscores the importance of considering unusual pathogens in PJI.
- It highlights the need for tailored treatment strategies for Actinomyces infections.
- Further research may be needed to optimize management protocols for rare PJIs.

