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Mycobacterium chimaera: A novel pathogen with potential risk to cardiac surgical patients

Ruaridh Buchanan1, Anuradha Agarwal2, Elizabeth Mathai3

  • 1Division of Infection, Royal London Hospital, Barts Health NHS Trust, 80 Newark Street, London, E1 2ES, United Kingdom.

The National Medical Journal of India
|July 2, 2021
PubMed

Insights

Mycobacterium chimaera infections, linked to cardiac surgery heater-cooler machines, pose a global health risk. Early detection and diagnosis are crucial for patient outcomes.

Area of Science:

  • Medical microbiology
  • Infectious diseases
  • Public health

Background:

  • Mycobacterium chimaera, identified in 2004, gained notoriety in 2011 due to invasive infections post-cardiac surgery.
  • Whole-genome sequencing identified heater-cooler machines as the source of a global outbreak.

Purpose of the Study:

  • To review current knowledge on Mycobacterium chimaera.
  • To emphasize the need for clinical vigilance and diagnostic awareness.

Main Methods:

  • Literature review on Mycobacterium chimaera epidemiology and diagnostics.
  • Analysis of whole-genome sequencing data linking infections to medical devices.

Main Results:

  • Established the link between Mycobacterium chimaera outbreaks and heater-cooler machines.
  • Highlighted the global distribution of these invasive infections.

Conclusions:

  • Clinical vigilance is essential for identifying Mycobacterium chimaera infections.
  • Awareness of diagnostic options is critical for timely patient management.

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