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Disseminated Mycobacterium chelonae infection causing pacemaker lead endocarditis in an immunocompetent host
  1. Amit Hooda1,
  2. Purinder K Pati1,
  3. Bobby John1,
  4. Paul V George1,
  5. Joy Sarojini Michael2
  1. 1Department of Cardiology, Christian Medical College Hospital, Vellore, Tamil Nadu, India
  2. 2Department of Microbiology, Christian Medical College, Vellore, Tamil Nadu, India
  1. Correspondence to Dr Amit Hooda, amithooda{at}


Pacemaker infection with Mycobacterium chelonae has not been reported previously. We report the first case of pacemaker lead endocarditis due to M. chelonae, which was successfully treated with multidrug regimen. M. chelonae is regarded as an environmental bacterium and its pathogenicity has been recognised recently. The present case illustrates its ability as a primary invader should not be underestimated, especially in an immunocompetent patient with indwelling devices. Epidemiology and management of this rare cause of culture-negative endocarditis is discussed.

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