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目的探讨先天性心脏病手术前后心电图的变化特点及其产生的机制。方法 125例先天性心脏病患者于手术前3天和手术后24h内分别进行心电图检测,并对比分析患者手术前后心电图变化特点。手术3个月后复查心电图。结果 125例先心病术前心律失常检出64例(51.2%),手术后心电图新发心律失常31例(24.8%),右束支阻滞及ST-T改变明显多于术前(p<0.01)。结论手术对心脏有一定损伤,先心病术后心律失常发生率较术前增高;各类型先心病手术前后心律失常有各自特点;应充分认识先心病术后心律失常的变化特点及其产生机制,以便能及时诊断和处置。
Objective To investigate the changes of electrocardiogram before and after congenital heart disease and its mechanism. Methods 125 patients with congenital heart disease were examined electrocardiographically three days before surgery and 24h after surgery, and the characteristics of electrocardiogram before and after the operation were compared and analyzed. 3 months after surgery to review ECG. Results There were 64 cases (51.2%) of preoperative cardiac arrhythmia detected in 125 cases, 31 cases (24.8%) of new arrhythmia after electrocardiogram, and the changes of right bundle branch block and ST-T were significantly more than those before operation (p < 0.01). Conclusions The operation may cause some damage to the heart. The incidence of arrhythmia in patients with congenital heart disease is higher than that before operation. Arrhythmia before and after operation of various types of congenital heart disease has its own characteristics. The changes of cardiac arrhythmia and its mechanism should be fully understood, In order to timely diagnosis and disposal.