扩张型心肌病患者窦性心律震荡现象的临床研究

目的探讨扩张型心肌病（DCM）患者窦性心率震荡（HRT）的变化和意义。方法选择伴有室性早搏的扩张型心肌病、冠心病和无器质性心脏病患者90例,计算其震荡起始（TO）及震荡斜率（TS）。结果扩张型心肌病组患者与对照组比较,TO值明显升高,TS值下降,差异有显著性（P〈0.05）;与冠心病组比较,TO、TS差异无显著性（P〉0.05）。结论 HRT可作为DCM患者自主神经系统功能的完整性和稳定性及预后的指标之一。

A clinical observantion study on heart the turbelence in dilated cardiomyopathy

Objective To discuss the significance and alteration of heart rate turbulence（HRT） of dilated cardiomyopathy with ventricular premature beats of coronary heart disease（CHD）.Methods 90 patients were chosen and divided into DCM group（n=28）,CHD group（n=32） and normal group（n=30）.The turbulence onset（TO）and turbulence slope（TS） were calculated and analyzed.Resulte For the dilated cardiomyopathy with ventricular premature beats,TO value was higher and TS value was lower than the normal group（allP〈0.05）.The value of TO and TS of the dilated cardiomyopathy with ventricular premature beats were similar to those of CHD（P〉0.05）.Conclusions HRT can be used to estimate the integrality and stability of cardiac autonomic nerve function for the dilated cardiomyopathy and it is an impotant factor for diagnosis.