Abstract：【Objective】 To investigate the effect of fragmentation QRS (fQRS) wave group on survival of patients with coronary heart disease (CHD).【Methods】 The clinical data of 1043 patients with CHD admitted from June 2014 to June 2017 were analyzed retrospectively. According to the presence of fQRS in the 12-lead synchronous electrocardiogram, the patients were divided into two groups: non fQRS group (n=205) and fQRS group (n=838). The results of echocardiography, electrocardiogram and prognosis were compared between the two groups. 【Results】 The incidence of left ventricular ejection fraction (LVEF) in the fQRS group was significantly higher than that in the non-fQRS group (P<0.05). The incidence of left ventricular septal thickness, left ventricular end-diastolic diameter (LVDD) and the incidence of three-vessel disease was significantly higher in the fQRS group than in the non fQRS group (P<0.05). Left ventricular end-systolic diameter (LVSD), left ventricular end-diastolic volume (LVDV), left ventricular end-systolic volume (LVSV) were not significantly different between the two groups (P>0.05). The electric axis of the fQRS group was lower than that of the non-fQRS group. The QRS duration, P wave duration and ST segment change rate were significantly higher in the fQRS group than in the non-fQRS group (P<0.05). The incidence of angina pectoris, arrhythmia, cardiac death and death in the fQRS group was higher than that in the non-fQRS group, and the survival time was shorter than that in the fQRS group (P<0.05).【Conclusion】 The incidence of cardiac dysfunction, cardiovascular events, cardiogenic mortality and death are higher in patients with CHD complicated with abnormal Q wave. When fQRS wave appears in electrocardiogram, it has good prognostic value.
贺治民, 李艳华, 马东星, 韩玮, 王冉冉, 彭艳玲, 万海伟. 破裂QRS波群对冠心病患者生存状况的影响[J]. 医学临床研究, 2018, 35(12): 2326-2328.
HE Zhi-min, LI Yan-hua, MA Dong-xing, et al. Effect of fQRS Wave Group on Survival Status of Patients with Coronary Heart Disease. JOURNAL OF CLINICAL RESEARCH, 2018, 35(12): 2326-2328.
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2018, Vol. 35 
