Key result
Mitral valve replacement in a 43-year-old man with infective endocarditis complicating hypertrophic obstructive cardiomyopathy resulted in relief of symptoms and resolution of outflow obstruction.
Case Report (n=1)
Mitral valve replacement can successfully treat severe mitral regurgitation secondary to infective endocarditis in patients with hypertrophic obstructive cardiomyopathy, while also resolving left ventricular outflow obstruction.
May support mitral valve replacement in rare similar cases; leaves open need for larger studies to guide practice in hypertrophic obstructive cardiomyopathy with endocarditis.
Infective endocarditis is a rare complication of hypertrophic cardiomyopathy. It's estimated incidence is 1.4 per 1000 person/year in all patients and it increases to 3.8 per 1000 person/year in patients with left ventricular outflow obstruction. The most common site of vegetation is the ventricular aspect of anterior mitral valve leaflet. We report a case of a 43-year-old man who was admitted for mitral infective endocarditis resulting in severe mitral regurgitation complicating a hypertrophic obstructive cardiomyopathy. The patient underwent mitral valve replacement. Post-operative outcome was good with relieve of symptom and resolution of left ventricular outflow obstruction. Literature data are reviewed.
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Louahabi et al. (2005) conducted a case report in Infective endocarditis complicating hypertrophic obstructive cardiomyopathy (n=1). Mitral valve replacement was evaluated on Post-operative outcome (relief of symptoms and resolution of left ventricular outflow obstruction). Mitral valve replacement in a 43-year-old man with infective endocarditis complicating hypertrophic obstructive cardiomyopathy resulted in relief of symptoms and resolution of outflow obstruction.
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