Infective endocarditis complicating hypertrophic obstructive cardiomyopathy: is antibiotic prophylaxis really

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Ahmet Guler, Soe M Aung, Beytullah Cakal

  • 1Kosuyolu Heart & Research Hospital, Cardiology Clinic, Istanbul-TR. ahmetguler01@yahoo.com.tr.

Current Cardiology Reviews
|December 10, 2013
PubMed

Insights

Infective endocarditis is a rare complication of hypertrophic cardiomyopathy, often linked to outflow obstruction. This case highlights a fatal instance of culture-negative mitral valve endocarditis in a hypertrophic cardiomyopathy patient.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Valvular Heart Disease

Background:

  • Hypertrophic cardiomyopathy (HCM) is a genetic heart muscle disease.
  • Infective endocarditis (IE) is an uncommon but serious complication of HCM.
  • IE in HCM is frequently associated with left ventricular outflow tract obstruction and atrial dilatation.

Observation:

  • A previously asymptomatic woman with diagnosed HCM presented with culture-negative mitral valve endocarditis.
  • The patient experienced a fatal course of the disease.

Findings:

  • This case underscores the potential severity of infective endocarditis in hypertrophic cardiomyopathy.
  • Culture-negative endocarditis can present a diagnostic challenge.
  • The presence of outflow obstruction and atrial dilatation may increase IE risk in HCM patients.

Implications:

  • Early recognition and management of IE in HCM patients are crucial.
  • Further research into the mechanisms and optimal treatment of IE in HCM is warranted.
  • This case emphasizes the importance of considering IE even in culture-negative scenarios within the context of HCM.

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