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在冠心病患者的HOLTER监测中发现.除伴有心绞痛发作的心肌缺血外.还有无症状的心肌缺血存在.其客观指标ECGJ点后80msST段缺血性下移>1ms,持续时间>30ms.无症状心肌缺血与冠心病患者的预后及猝死间可能存在的因果关系受到临床上的关注.现将我院冠心病患者HOLTER监测发现心肌缺血的有关资料分析如下.1 资料与方法1.1 资料从临床明确诊断445例HOLTER监测结果中选出记录到心肌缺血表现的414例进行统计分析、每例患者经24hHOLTER监测均有一阵次以上的一过性ST段压低.其中男342例,女72例,年龄>60岁109例.50～59岁216例,40～49岁75例,<物岁14例.1,2 方法 测仪器为美国HOLTER(REVC.5032)二型记录仪.每例患者连续记录24h,计算机打印分析结果、记录导联为MV_5、MV_1.记录前均进行皮肤准备.并记录立位、坐位、左右侧及卧位心电图.1.3 标准 判定标准为J点后80msST段水平型或
HOLTER monitoring in patients with coronary heart disease found in addition to myocardial infarction associated with angina pectoris, asymptomatic myocardial ischemia there objective indicators of ECGJ point 80msST segment ischemic down> 1ms, duration> 30ms. Asymptomatic myocardial ischemia and coronary heart disease prognosis and the possible causal relationship between sudden death is clinically concerned. Now our hospital HOLTER monitoring of myocardial ischemia found in the relevant data as follows.1 Materials and Methods 1.1 Data from a clear clinical diagnosis of 445 cases of HOLTER monitoring results were selected to record the performance of myocardial ischemia 414 cases were analyzed in each patient by 24hHOLTER monitoring more than once or more transient ST segment depression in which 342 cases of male , 72 females, 109 patients aged> 60 years, 216 patients aged from 50 to 59 years, 75 patients aged 40 to 49 years, and 14 patients aged <1 year. The measurement methods of 1 and 2 were HOLTER (REVC.5032) Each patient was recorded continuously for 24 hours, and computer analysis results were printed and the lead was recorded as MV_5, MV_1.Pre-skin preparation was performed before recording, and the standing position, sitting position, left and right side and supine position electrocardiogram were recorded.1.3 The standard criterion was J point 80msST horizontal section or type