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心动过速性心肌病(Tachycardia induced cardiomyopathy,TIC)是由于长期发作的快速心律失常导致心脏扩大、心脏收缩和(或)舒张功能不全而引起的心肌损伤,临床表现类似于扩张型心肌病(Dilated Cardiomyopathy,DCM)。TIC与DCM的明显区别是其在快速心律失常得到控制后,患儿的心脏扩大和心功能能够部分恢复甚至全部恢复。但目前临床对心动过速性心肌病甚至心肌病的定义和分类均存在争议,2006年美国心脏病协会(AHA)制定了心肌病的定义和分类方案[1],获得性、原发性心肌病包含TIC、围产期心肌病、酒精性心肌病三
Tachycardia induced cardiomyopathy (TIC) is a myocardial injury caused by prolonged arrhythmia resulting from prolonged heart attack, cardiac contractions and / or diastolic dysfunction. The clinical manifestations are similar to Dilated Cardiomyopathy, DCM). The obvious difference between TIC and DCM is that after tachyarrhythmia is under control, children’s heart enlargement and heart function can be partially or even completely restored. However, the current clinical definition and classification of tachycardia or even cardiomyopathy are controversial. In 2006, the American Heart Association (AHA) developed a definition and classification of cardiomyopathy [1]. Acquired and primary myocardium Disease includes TIC, perinatal cardiomyopathy, alcoholic cardiomyopathy three