Int J Cardiol. 2011 May 5;148(3):e53-5. doi: 10.1016/j.ijcard.2009.03.007. Epub 2009 Apr 1.
The association of left ventricular hypertrabeculation (LVHT), also known as noncompaction, coronary heart disease, and metabolic myopathy, as presented in the following report, is rare.
In a 77-yo male with a history of arterial hypertension, coronary heart disease, dilative cardiomyopathy, mitral and tricuspid insufficiency, AV-block III, implantation of a pacemaker, atrial fibrillation, and heart failure, LVHT was detected on transthoracic echocardiography during hospitalization for worsening heart failure. Clinical neurologic investigation, revealing bilateral ptosis, madarosis, absent eyelashes, bilateral hypacusis, sore neck muscles, generally absent deep tendon reflexes, weakness for foot extension, and ataxic stance, and recurrently elevated creatine-kinase with normal troponine, suggested a metabolic myopathy. Autopsy after death from intractable heart failure. 17 months later confirmed severe coronary heart disease and LVHT in the apex.
LVHT may be associated with coronary heart disease and myopathy and may be exclusively located in the left ventricular apex.
左心室心肌致密化不全(LVHT)又称心肌海绵样变,与冠心病和代谢性肌病相关,以下病例报告较为少见。
一名 77 岁男性,既往有动脉高血压、冠心病、扩张型心肌病、二尖瓣和三尖瓣关闭不全、AV 阻滞 III 度、心脏起搏器植入、心房颤动和心力衰竭病史,因心力衰竭恶化住院期间经胸超声心动图检查发现左心室心肌致密化不全。临床神经系统检查发现双侧上睑下垂、睫毛缺失、双侧听力减退、颈部肌肉疼痛、通常深腱反射消失、足部伸展无力和共济失调姿势,反复性肌酸激酶升高伴肌钙蛋白正常,提示代谢性肌病。因难治性心力衰竭死亡 17 个月后进行的尸检证实存在严重冠心病和左心室心尖部心肌致密化不全。
LVHT 可能与冠心病和肌病相关,且可能仅局限于左心室心尖部。