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Tularemia Proximal Interphalangeal Joint Septic Arthritis: A Case Report
Steven J Clary1, Jacob W Brubacher1, Ryan C Kubat2
1Department of Orthopedic Surgery and Sports Medicine, University of Kansas Medical Center, Kansas City, Kansas.
JBJS Case Connector
|September 1, 2022
Summary
A rare case of Francisella tularensis septic arthritis in a finger joint, caused by a feral cat bite, was successfully treated. Prompt diagnosis and antibiotic therapy led to full recovery and regained digit function.
Area of Science:
- Infectious Diseases
- Orthopedic Surgery
- Microbiology
Background:
- Septic arthritis is a serious joint infection that requires prompt diagnosis and treatment.
- Francisella tularensis is a bacterium that can cause tularemia, a potentially severe infectious disease.
Observation:
- A patient presented with septic arthritis of the finger proximal interphalangeal joint following a feral cat bite.
- Operative debridement was performed, and Gram-negative rods resembling Francisella tularensis were identified postoperatively.
Findings:
- The patient was diagnosed with culture-confirmed ulceroglandular tularemia.
- Treatment with gentamicin for 4 weeks resulted in complete resolution of the infection.
Implications:
- This case highlights the rare but potential risk of Francisella tularensis septic arthritis from feral cat bites.
- Early identification and appropriate antibiotic treatment are crucial for favorable outcomes in tularemia infections.
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