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Wohlfahrtiimonas chitiniclastica: current insights into an emerging human pathogen

P Schröttner1, W W Rudolph2, U Damme3

  • 1Institut für Medizinische Mikrobiologie und Hygiene, Medizinische Fakultät Carl Gustav Carus,TU Dresden,Dresden,Germany.

Epidemiology and Infection
|February 7, 2017
PubMed

Insights

Wohlfahrtiimonas chitiniclastica, a bacterium transmitted by flies, can cause serious human infections like sepsis. This review details its known transmission routes, clinical manifestations, and treatment, including new case studies.

Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Bacteriology

Background:

  • Wohlfahrtiimonas chitiniclastica, first identified in 2008, is an emerging bacterial pathogen.
  • Human infections are often linked to flies (e.g., Wohlfahrtia magnifica, Lucilia sericata) acting as vectors, particularly through larval-infested wounds.
  • Potential transmission sources also include soil and contaminated chicken meat.

Purpose of the Study:

  • To review the current literature on Wohlfahrtiimonas chitiniclastica.
  • To consolidate knowledge regarding its pathogenic role in humans.
  • To present new case data and focus on microbiological aspects.

Main Methods:

  • Comprehensive literature search for Wohlfahrtiimonas chitiniclastica case reports and studies.
  • Inclusion of four patient cases from Dresden University Hospital (2013-2015).
  • Analysis of microbiological identification and antibiotic susceptibility testing.

Main Results:

  • Wohlfahrtiimonas chitiniclastica infections manifest as wound infections, cellulitis, osteomyelitis, and sepsis.
  • Insects are confirmed vectors, but non-vectorial transmission routes exist.
  • Microbiological data and antibiotic susceptibility patterns were evaluated for the presented cases.

Conclusions:

  • Wohlfahrtiimonas chitiniclastica is a significant emerging pathogen with diverse transmission routes.
  • Understanding its microbiology and susceptibility is crucial for effective clinical management.
  • Continued surveillance and research are needed to address this growing public health concern.
Keywords:
Wohlfahrtiimonas chitiniclasticaAntibiotic treatmentMALDI-TOF MSdiagnosticsepidemiologyresistance testing

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