Streptococcus milleri infection

J V Lunn1, K J Rahman, A C Macey

  • 1Department of Orthopaedic Surgery, Sligo General Hospital, Ireland.

Insights

Streptococcus milleri can cause severe flexor sheath infections, leading to extensive tissue damage and digit amputation. This highlights the bacterium

Area of Science:

  • Infectious Diseases
  • Hand Surgery
  • Microbiology

Background:

  • Streptococcus milleri is often considered a commensal bacterium.
  • Infections of the flexor sheath are serious and can lead to significant morbidity.

Purpose of the Study:

  • To report cases of severe flexor sheath infection caused by Streptococcus milleri.
  • To highlight the pathogenic potential of Streptococcus milleri in soft tissue infections.

Main Methods:

  • Case series reporting three instances of flexor sheath infection.
  • Clinical presentation, treatment, and outcomes were documented.

Main Results:

  • All patients presented with extensive soft tissue damage.
  • Despite surgical debridement and antibiotics, amputation of digits was required in two patients.
  • One patient underwent amputation of two digits, and another had a digit amputated at the proximal interphalangeal joint.

Conclusions:

  • Streptococcus milleri can be a significant pathogen in flexor sheath infections.
  • Aggressive surgical and antibiotic management may be necessary.
  • The pathogenicity of this commonly commensal bacterium should not be underestimated.

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