二尖瓣乳头肌头部钝性创伤性破裂
Blunt traumatic rupture of a mitral papillary muscle head.
作者信息
Smedira N G, Zikri M, Thomas J D, Lauer M S, Kelleman J J, McCarthy P M
机构信息
Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic Foundation, OH 44195, USA.
出版信息
Ann Thorac Surg. 1996 May;61(5):1526-8. doi: 10.1016/0003-4975(95)01180-3.
Severe mitral regurgitation developed in a patient after a lateral-impact motor vehicle accident. The papillary muscle head was disrupted without evidence of other myocardial injury. We hypothesize that a dramatic and sudden increase in intrathoracic pressure may have produced the injury. The patient experienced progressive heart failure and underwent successful mitral valve repair 9 days after the accident.
一名患者在发生侧撞机动车事故后出现严重二尖瓣反流。乳头肌头部断裂，无其他心肌损伤迹象。我们推测，胸内压力急剧突然升高可能导致了这一损伤。患者出现进行性心力衰竭，并在事故发生9天后成功接受二尖瓣修复手术。
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