摘要:目的 研究2型糖尿病与冠心病患者心率震荡(HRT)的变化及意义。 方法 选择有室性早搏的病人122例，分为2型糖尿病组、冠心病组和对照组，所有病人均行24h动态心电图监测，计算心率震荡的初始值(TO)、斜率(TS)。 结果 2型糖尿病组、冠心病组与对照组对比，均有TO升高、TS下降(P<0.05)。2型糖尿病组与冠心病组对比，TO、TS差异无显著性(P>0.05)。 结论 2型糖尿病与冠心病患者均有心率震荡的异常，存在心脏自主神经功能受损。HRT可作为2型糖尿病和冠心病临床上判断预后的重要心电指标。

    关键词:2型糖尿病;冠心病;心率震荡

    Observation on the heart rate turbulence in daibetes mellitus and coronary heart disease patients.

    CHEN Xiao-pan，ZHONG Jiang-hua，SONGQin-hua，et al.

    (Affiliated Hospital of Hainan Medical College，Haikou570102，Hainan，P.R.Chi-na)

    Abstract:Objective To study the alteration and difference of heart rate turbulence(HRT)in patients with type2diabetes mellitus(T2DM)and patients with coronary heart disease(CHD). Methods 122patients with ventricular premature beats were divided into T2DMgroup、CHD group and control group.All patients were examined with ambulatory electrocardiogram monitoring for twenty-four hours ......