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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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Mitral endocarditis in hypertrophic obstructive cardiomyopathy with leaflet perforation

Hiroko Taguchi1, Shun Nakaji2, Yuichi Tasaki2

  • 1Department of Cardiovascular Surgery, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan. hiroko3119@gmail.com.

General Thoracic and Cardiovascular Surgery
|January 25, 2021
PubMed

Insights

This study details a case of mitral endocarditis in hypertrophic obstructive cardiomyopathy. Surgical repair of the perforated mitral valve and septal myectomy effectively managed the condition.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Infective Endocarditis

Background:

  • Hypertrophic obstructive cardiomyopathy (HOCM) is a genetic heart muscle disease.
  • Systolic anterior motion (SAM) of the mitral valve is a common complication in HOCM.
  • Mitral endocarditis is a serious infection affecting heart valves.

Observation:

  • A patient presented with mitral endocarditis superimposed on HOCM with significant SAM.
  • The anterior mitral leaflet was perforated, leading to mitral regurgitation.

Findings:

  • Surgical intervention included repair of the perforated anterior mitral leaflet.
  • An extended septal myectomy was performed concurrently to address the obstruction and SAM.
  • The combined procedure successfully controlled mitral regurgitation and HOCM symptoms.

Implications:

  • This case highlights a successful combined surgical approach for complex HOCM with endocarditis.
  • Effective management of mitral valve pathology is crucial in HOCM patients.
  • Surgical strategies can be tailored to address both obstructive physiology and infectious complications.
Keywords:
Hypertrophic obstructive cardiomyopathyInfective endocarditisMitral valve repairMyectomySystolic anterior motion

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