Hypertrophic obstructive cardiomyopathy and mitral regurgitation in Libman–Sacks endocarditis

  • Go YamashitaEmail author
  • Naoki Kanemitsu
  • Yasuaki Nakashima
  • Takehiko Matsuo
  • Takeichiro Nakane
  • Masanori Honda
  • Hitoshi Okabayashi
Case Report


Hypertrophic obstructive cardiomyopathy in Libman–Sacks endocarditis is quite rare and the correct etiological relationship between them is unknown. Some changes may cause a secondary disorganization of the ordinary muscle structure, making a disarray pattern with irregular interwoven myocyte fibers. This case report describes one of the first cases of ventricular septal myectomy and mitral valve replacement for hypertrophic obstructive cardiomyopathy and mitral valve regurgitation associated with Libman–Sacks endocarditis.


Libman–Sacks Endocarditis Hypertrophic obstructive cardiomyopathy Mitral regurgitation 



The authors have nothing to disclose with regard to commercial support.


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Copyright information

© The Japanese Association for Thoracic Surgery 2018

Authors and Affiliations

  1. 1.Department of Cardiovascular SurgeryMitsubishi Kyoto HospitalKyotoJapan
  2. 2.Department of PathologyMitsubishi Kyoto HospitalKyotoJapan

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