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Unusual presentations of Comamonas kerstersii infection

M Almuzara1,2, C Barberis1, F Veiga1

  • 1Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Laboratorio de Bacteriología, Hospital de Clínicas José de San Martín, Argentina.

New Microbes and New Infections
|August 11, 2017
PubMed

Insights

Comamonas kerstersii, previously linked to perforated appendix peritonitis, was newly identified in rare intra-abdominal infections. This study details its isolation from psoas abscess and pelvic peritonitis cases.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Comamonas kerstersii is a rare bacterium.
  • Our team previously established its association with peritonitis secondary to perforated appendix.
  • The clinical presentations of C. kerstersii infections are not well-documented.

Purpose of the Study:

  • To report novel clinical presentations of Comamonas kerstersii infections.
  • To describe the isolation of C. kerstersii from unusual intra-abdominal infection sites.

Main Methods:

  • Bacterial isolation and identification from clinical samples.
  • Case study of patients with C. kerstersii infection.

Main Results:

  • Comamonas kerstersii was isolated from a patient with a psoas abscess.
  • Comamonas kerstersii was also isolated from a patient with pelvic peritonitis.
  • These represent new, previously undescribed presentations of C. kerstersii infection.

Conclusions:

  • Comamonas kerstersii can cause localized intra-abdominal infections, such as psoas abscess.
  • Comamonas kerstersii is implicated in pelvic peritonitis.
  • This expands the spectrum of known clinical manifestations for C. kerstersii.
Keywords:
Comamonas kerstersiipelvic peritonitisperforated appendixpsoas abscessunusual presentation

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