1Elhendy A,Mahoney D W,Khandheria B K,et al.Prognostic significance of impairment of heart rate response to exercise:impact of left ventricular function and myocardial ischemia[J].J Am Coll Cardiol,2003,42(5):823-830.
2Dresing T J,Blackstone E H,Pashkow F J,et al.Usefullness of impaired chronotropic response to exercise as a predictor of mortality,independent of the severity of coronary artery disease[J].Am J Cardiol,2000,86(6):602-609.
3Lauer M S,Francis G S,Okin P M,et al.Impaired chronotropic response to exercise stress testing as a predictor of mortality[J].JAMA,1999,281(6):524-529.
4Al-khalili F,Svane B,Wamala S P,et al.Clinical importance of risk factors and exercise testing for prediction of significant coronary artery stenosis in women recovering from unstable coronary artery disease:the stockholm female coronary risk study[J].Am Heart J,2000,139(6):971-978.
5Azarbal B,Hayes S W,Lewin H C,et al.The incremental prognostic value of percentage of heart rate reserve achieved over myocardial perfusion single-photon emission computed tomography in the prediction of cardiac death and all-cause mortality:superiority over 85% of maximal age-predicted heart rate[J].J Am Coll Cardiol,2004,44(2):423-430.
6Bogaty P,Guimond J,Robitaille N M,et al.A reappraisal of exercise electrocardiographic indexes of the severity of ischemic heart disease:angiographic and scintigraphic correlates[J].J Am Coll Cardiol,1997,30(5):1497-1504.
7Brener S J,Pashkow F J,Harvey S A,et al.Chronotropic response to exercise predicts angiographic severity in patients with suspected or stable coronary artery disease[J].Am J Cardiol,1995,76(17):1228-1232.
8Lauser M S,Larson M G,Evans J C,et al.Association of left ventricular dilatation and hypertrophy with chronotropic incompetence in the Framingham heart study[J].Am Heart J,1999,137(5):903-909.