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用体表记录心室晚电位(VLp)对124例非冠心病(non-CHD)性心脏病患者进行检测,并与120例正常人作对照,发现non-CHD性心脏病患者VLp阳性率以心肌病最高(42.8%);伴有室性心律失常(VA)较不伴VA者VLp的阳性率高,VLp的3项参数二者也有显著差异;VLp阳性组室性心动过速(VT)的发生率较阴性组高。表明VLp阳性与VA(尤其是VT)密切相关,且有增加non-CHD性心脏病患者严重VA及心性猝死的可能性。
124 cases of non-CHD heart disease were detected by using body surface recording ventricular late potentials (VLp), and compared with 120 normal subjects and found that the positive rate of VLp in non-CHD patients was (42.8%). The positive rate of VLp in patients with ventricular arrhythmia (VA) was higher than those without VA, and there were significant differences in the three parameters of VLp. VLp-positive patients had ventricular tachycardia (VT) The incidence was higher than the negative group. This indicates that VLp positivity is closely related to VA (especially VT) and increases the possibility of severe VA and sudden cardiac death in patients with non-CHD heart disease.