Mycobacterial Endocarditis, A Rare Form of Infective Endocarditis

Discov Med. 2024 Mar;36(182):437-447. doi: 10.24976/Discov.Med.202436182.41.

Abstract

This research project delves into the multifaceted dynamics of Mycobacterium tuberculosis (M.tb) endocarditis, a significant yet uncommon manifestation of tuberculosis (TB). Beginning with an overview of M.tb and the global challenges posed by TB, we navigate through the bacterium's evolution, transmission modes, and the intricate host immune response. The pathology and pathophysiology of M.tb endocarditis are explored, emphasizing its complexities and the host's efforts to contain the pathogen. The study extends to atypical mycobacterial endocarditis, highlighting the emergence of species like M.chimaera, M.fortuitum, and M.chelonae, with a focus on their association with life-threatening mycobacterial endocarditis. Clinical presentations and complications of M.tb endocarditis are detailed, addressing challenges in diagnosis, drug-resistant, co-infections with Human Immunodeficiency Virus (HIV), and potential sepsis. The research underscores the need for a deeper understanding of M.tb endocarditis to enhance prevention, diagnosis, and treatment strategies. Examining the genetic and environmental factors influencing M.tb endocarditis, the study discusses the interplay of immune-related genes, environmental conditions, and predispositions contributing to infection susceptibility. Despite challenges in treatment due to its rarity, the research highlights current protocols, surgical interventions, and promising pharmaceutical developments. Lastly, unraveling these intricate factors is crucial for refining strategies and conducting large-scale trials to address this global health threat effectively.

Keywords: M.tb endocarditis treatment; Mycobacterium tuberculosis; atypical mycobacterium; clinical manifestation; diagnostic criteria; endocarditis.

MeSH terms

  • Endocarditis*
  • Humans
  • Mycobacterium tuberculosis* / genetics
  • Tuberculosis* / prevention & control