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Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
12:18

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

An unexpected diagnosis of methicillin-resistant Staphylococcus aureus septic arthritis

Tanujan Thangarajah1, Timothy J Neal, Thomas D Kennedy

  • 1Derby City General Hospital, Derby, UK;

Orthopedic Reviews
|August 3, 2011
PubMed

Insights

Methicillin-resistant Staphylococcus aureus (MRSA) can cause severe septic arthritis in the distal interphalangeal joint, even without traditional risk factors. Early suspicion and treatment are crucial to prevent extensive tissue damage and the need for surgery.

Area of Science:

  • Infectious Diseases
  • Orthopedic Surgery
  • Rheumatology

Background:

  • Hand infections can lead to significant tissue damage and functional loss.
  • Septic arthritis is a destructive joint disease, with methicillin-resistant Staphylococcus aureus (MRSA) posing a particular challenge.
  • Hospital-associated infections (HA-MRSA) typically occur in patients with specific risk factors.

Observation:

  • This case details the first instance of MRSA septic arthritis in the distal interphalangeal joint in a patient lacking typical risk factors for HA-MRSA.
  • The patient contracted the infection from an asymptomatic carrier in a community setting.
  • Delayed diagnosis and treatment led to rapid destruction of surrounding soft tissues.

Findings:

  • MRSA can cause severe septic arthritis in the distal interphalangeal joint without traditional risk factors.
  • Community-acquired MRSA is a potential cause of septic arthritis.
  • Delayed treatment significantly worsens outcomes, potentially necessitating arthrodesis.

Implications:

  • Clinicians must maintain a high index of suspicion for MRSA in all suspected septic arthritis cases, regardless of risk factors.
  • Empirical antibiotic therapy should be considered for patients presenting with symptoms suggestive of MRSA septic arthritis.
  • Prompt diagnosis and treatment are essential to preserve joint function and prevent complications.
Keywords:
finger jointinfectious arthritismethicillin resistancestaphylococcus aureus.

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