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超声心动图诊断孤立性心肌致密化不全的临床价值

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摘要 目的探讨超声心动图诊断孤立性心肌致密化不全(INVM)的临床价值。方法采用彩色多普勒超声诊断仪,超声心动图多切面扫查,重点观察心室心肌及心内膜,并对其超声心动图特征进行分析。结果 24例患者经超声检查并诊断为IN-VM,21例左室受累,2例双室受累,1例仅累及右室;主要受累部位依次为左室侧壁中段23例(95.8%)、左室心尖段18例(76.4%)及前壁中段12例(51.6%),87%的患者2个或2个以上节段受累。超声测量左室舒张末期前后径(LVDd)58.4±10.9(44~78)mm,左室射血分数(LVEF)(34.7±14.8)%(18%~70%)。受累心肌收缩末期非致密化心肌厚度与致密化心肌厚度比率(N/C比值)为2.7±1.2(2.1~6.7)。心室腔内均见异常丰富的粗大肌小梁和其间深陷的小梁隐窝,彩色多普勒示隐窝内低速血流与心室腔相通。结论 INVM临床表现多样,但具有特征性声像图表现,超声心动图在INVM无症状期即可发现并确诊,是诊断INVM的可靠而首选的检查手段。
出处 《中外医疗》 2012年第30期163-164,共2页 China & Foreign Medical Treatment
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