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Management of MRSA septic arthritis in a dog using a gentamicin-impregnated collagen sponge

M R Owen1, A P Moores, R J Coe

  • 1Department of Companion Animal Studies, University of Bristol, Langford, Bristol.

Insights

A dog developed methicillin-resistant Staphylococcus aureus septic arthritis after knee surgery. Treatment with a gentamicin-impregnated sponge aided infection resolution.

Area of Science:

  • Veterinary Surgery
  • Infectious Disease
  • Pharmacology

Background:

  • Cranial cruciate ligament rupture is a common orthopedic condition in dogs requiring surgical intervention.
  • Postoperative infections, including septic arthritis, pose a significant risk following orthopedic procedures.
  • Methicillin-resistant Staphylococcus aureus (MRSA) is a challenging pathogen in both human and veterinary medicine.

Observation:

  • A canine patient developed severe septic arthritis caused by MRSA subsequent to elective surgery for a cranial cruciate ligament tear.
  • The infection presented as a significant complication, impacting joint function and recovery.

Findings:

  • Surgical intervention combined with the administration of an absorbable gentamicin-impregnated sponge was effective in managing the MRSA septic arthritis.
  • The gentamicin-impregnated sponge provided localized antibiotic delivery, contributing to the eradication of the infection.

Implications:

  • This case highlights the potential for MRSA infections after orthopedic surgery in dogs.
  • Absorbable antibiotic-impregnated sponges represent a viable therapeutic option for managing localized, severe bacterial infections in veterinary surgery.
  • Further research into localized antibiotic delivery systems could improve outcomes for surgical site infections in animals.