Asymptomatic and isolated accessory mitral valve tissue in an adult

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• 作者：Kazuki Hisatomi ; Koji Hashizume…
• 关键词：Accessory mitral valve tissue ; Left ventricular outflow obstruction ; Asymptomatic ; Adult
• 刊名：General Thoracic and Cardiovascular Surgery
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：64
• 期：2
• 页码：105-108
• 全文大小：732 KB
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• 作者单位：Kazuki Hisatomi (1)
  Koji Hashizume (1)
  Kazuyoshi Tanigawa (1)
  Takashi Miura (1)
  Seiji Matsukuma (1)
  Shogo Yokose (1)
  Mizuki Sumi (1)
  Kiyoyuki Eishi (1)
  
  1. Department of Cardiovascular Surgery, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
  
• 刊物主题：Thoracic Surgery; Cardiac Surgery; Cardiology; Surgical Oncology;
• 出版者：Springer Japan
• ISSN：1863-6713

文摘

Accessory mitral valve (AMV) tissue is a congenital anomaly that occurs in association with other congenital anomalies, and is an uncommon cause of left ventricular outflow tract obstruction. It is usually detected in early childhood when accompanied by symptoms of obstruction of the left ventricular outflow tract, and is rarely diagnosed in adults. We present a case of a 53-year-old man who was referred to our institution for evaluation of a systolic heart murmur. Echocardiography disclosed a diagnosis of AMV tissue. This case was uncommon because of the lack of severe obstruction of left ventricular outflow, cardiac symptoms, or other cardiac anomalies. We were able to carry out surgical resection of AMV tissue to avert possible progression of aortic insufficiency and the risk of a cerebrovascular embolization. The patient’s postoperative course was uneventful, and postoperative echocardiography showed no residual accessory mitral tissue. Keywords Accessory mitral valve tissue Left ventricular outflow obstruction Asymptomatic Adult