Septic arthritis caused by Granulicatella adiacens after anterior cruciate ligament reconstruction

A Mena Rosón1, H Valencia García1, F J Moreno Coronas1

  • 1Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España.

Insights

Septic arthritis following knee arthroscopy is rare, with anterior cruciate ligament reconstruction being the most common procedure. This case details a rare Staphylococcus infection after ACL reconstruction, likely the first reported instance.

Area of Science:

  • Orthopedic Surgery
  • Infectious Diseases
  • Microbiology

Background:

  • Septic arthritis post-knee arthroscopy is a rare but serious complication.
  • Infection rates range from 0.15-0.84%, with anterior cruciate ligament (ACL) reconstruction having a higher prevalence (0.3-1.7%).
  • Staphylococcus species are the most frequently identified pathogens.

Observation:

  • This report details a unique case of septic arthritis occurring after anterior cruciate ligament (ACL) reconstruction.
  • The causative microorganism identified in this case has not been previously documented in literature following knee arthroscopy.

Findings:

  • The study presents a rare instance of septic arthritis attributed to Staphylococcus sp. following ACL reconstruction.
  • This represents a potentially novel finding, as no prior published cases link this specific microorganism to septic arthritis after knee arthroscopy.

Implications:

  • Highlights the importance of considering a broader range of microorganisms in postoperative septic arthritis following knee arthroscopy.
  • Suggests the need for vigilance and potentially updated diagnostic or treatment guidelines for rare infectious complications after ACL reconstruction.
  • Underscores the value of case reporting in expanding the understanding of rare infectious etiologies in orthopedic surgery.

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