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Massive haemoptysis in an intravenous drug user with infective tricuspid valve endocarditis

Karin Anne Lydia Müller1, Christine Stefanie Zürn, Htun Patrik

  • 1Kardiologie, Medizinische Klinik Universitaetsklinikum Tuebingen, Tuebingen, Germany.

BMJ Case Reports
|July 7, 2012
PubMed

Insights

Intravenous drug users with infective endocarditis can develop serious complications like ruptured mycotic aneurysms. Early diagnosis and treatment, including surgery, are crucial for recovery and preventing hemorrhage.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Cardiovascular Surgery

Background:

  • Intravenous drug use is a significant risk factor for infective endocarditis, primarily affecting the tricuspid valve.
  • Large vegetations on the tricuspid valve can lead to septic embolisms and, rarely, mycotic aneurysms in pulmonary arteries.

Observation:

  • A young woman with a history of intravenous drug abuse presented with prolonged infective tricuspid valve endocarditis, characterized by large masses and severe regurgitation.
  • Eight months post-diagnosis, she developed severe hemoptysis and fever, indicative of a ruptured mycotic aneurysm of the pulmonary artery.

Findings:

  • Infective endocarditis in intravenous drug users can lead to life-threatening complications such as ruptured mycotic pulmonary artery aneurysms.
  • Prompt surgical intervention (lobectomy) combined with antibiotic therapy resulted in full recovery.
  • Follow-up examinations confirmed resolution of echocardiographic findings and negative blood cultures.

Implications:

  • This case highlights the critical need for vigilant monitoring and aggressive management of infective endocarditis in intravenous drug users.
  • Early detection and intervention for complications like mycotic aneurysms are vital to prevent fatal hemorrhage.
  • Multidisciplinary care involving cardiology, infectious diseases, and surgery is essential for optimal patient outcomes.

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