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Infective endocarditis after alcohol septal ablation for obstructive hypertrophic cardiomyopathy

David Zemanek1, Josef Veselka, Renata Chmelova

  • 1Department of Cardiology, Cardiovascular Center, University Hospital Motol and 1st Medical School, Prague, Czech Republic.

International Heart Journal
|July 10, 2008
PubMed

Insights

Infective endocarditis is a rare complication of hypertrophic obstructive cardiomyopathy. This case highlights a potential risk after alcohol septal ablation, even late post-procedure.

Area of Science:

  • Cardiology
  • Infectious Diseases

Background:

  • Hypertrophic obstructive cardiomyopathy (HOCM) carries a risk of infective endocarditis (IE).
  • Antibiotic prophylaxis is not routinely advised for HOCM patients.
  • Alcohol septal ablation is a treatment for HOCM with residual left ventricle outflow tract obstruction.

Observation:

  • A patient developed infective endocarditis following alcohol septal ablation for HOCM.
  • The IE occurred in the late postprocedural period.

Findings:

  • This is the first reported case of IE after alcohol septal ablation for HOCM in the late postprocedural phase.
  • The complication occurred despite no routine antibiotic prophylaxis.

Implications:

  • This case suggests a potential, previously unreported risk of IE following alcohol septal ablation for HOCM.
  • Further research may be needed to evaluate the necessity of antibiotic prophylaxis in select HOCM patients post-ablation.
  • Clinicians should remain vigilant for IE in HOCM patients after septal ablation.

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