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[Mycobacterium xenopi: epidemiological and bacteriological features]
J N Dauendorffer1, C Laurain, M Weber
1Laboratoire de bactériologie, CHU, Allée du Morvan, 54511 VandOEuvre-lès-Nancy.
Annales De Biologie Clinique
|April 3, 2001
Summary
Mycobacterium xenopi, an opportunistic pathogen found in warm tap water, causes lung, bone, and joint infections. Treatment involves a combination of antibiotics like rifampicin and fluoroquinolones.
Area of Science:
- Microbiology
- Infectious Diseases
Context:
- Mycobacterium xenopi is a scotochromogenic, slow-growing atypical mycobacteria.
- This organism is cosmopolitan and primarily found in tap-warm water systems.
- Contamination routes include aerosol inhalation, water ingestion, and contaminated medical equipment.
Purpose:
- To describe the characteristics, transmission, and clinical manifestations of Mycobacterium xenopi infections.
- To outline the recommended antibiotic treatment strategies for M. xenopi infections.
Summary:
- Mycobacterium xenopi possesses a thermostable catalase, lacks niacin production, and has specific long-chain fatty acids in its cell wall.
- It is an opportunistic pathogen, particularly affecting individuals with pre-existing pulmonary conditions or immunodepression.
- Infections commonly target the lungs, bones, and joints.
Impact:
- Highlights the public health significance of M. xenopi in healthcare settings and the general environment.
- Provides essential information for clinicians managing infections caused by this atypical mycobacteria.
- Informs the development of diagnostic and therapeutic strategies against M. xenopi.