Left ventricular hypertrophy amplifies the QT, and Tp-e intervals and the Tp-e/QT ratio of left chest ECG

Journal of Biomedical Research - Tập 24 - Trang 69-72 - 2010
Zhao Zhao1, Zuyi Yuan1, Yuqiang Ji1, Yue Wu1, Yinzhi Qi1
1Department of Cardiology, Key Laboratory of Environmental Genes Related to Diseases, Ministry of Education, the First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an 710061, China

Tài liệu tham khảo

de Simone, 2008, Left ventricular mass predicts heart failure not related to previous myocardial infarction: the Cardiovascular Health Study, Eur Heart J, 29, 741, 10.1093/eurheartj/ehm605 Gerdts, 2008, Gender differences in left ventricular structure and function during antihypertensive treatment. The Losartan Intervention for Endpoint Reduction in Hypertension Study, Hypertension, 51, 1109, 10.1161/HYPERTENSIONAHA.107.107474 Luo, 2008, Down–regulation of miR–1/miR–133 contributes to re–expression of pacemaker channel genes HCN2 and HCN4 in hypertrophic heart, J Biol Chem, 283, 20045, 10.1074/jbc.M801035200 Marionneau, 2008, Distinct cellular and molecular mechanisms underlie functional remodeling of repolarizing K+ currents with left ventricular hypertrophy, Circ Res, 102, 1406, 10.1161/CIRCRESAHA.107.170050 Wang, 2007, Tpeak–Tend interval as a new risk factor for arrhythmic event in patient with Brugada syndrome, JNMU, 21, 213 Yan, 1998, Cellular basis for the normal T wave and the electrocardiographic manifestations of the long–QT syndrome, Circulation, 98, 1928, 10.1161/01.CIR.98.18.1928 Chobanian, 2003, The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure: the JNC 7 report, JAMA, 289, 2560, 10.1001/jama.289.19.2560 Sun, 2004, Hypertension and heart failure, Chin J Cardiol(in chinese), 32, 382 Edwards, 2009, Effect of spironolactone on left ventricular mass and aortic stiffness in early–stage chronic kidney disease: a randomized controlled trial, J Am Coll Cardiol, 54, 505, 10.1016/j.jacc.2009.03.066 Bazett, 2006, An analysis of the time–relations of electrocardiograms, Ann Noninvasive Electrocardiol, 2, 177, 10.1111/j.1542-474X.1997.tb00325.x Guo, 2008, Calcium–activated chloride current contributes to action potential alternations in left ventricular hypertrophy rabbit, Am J Physiol Heart Circ Physiol, 295, H97, 10.1152/ajpheart.01032.2007 Salles, 2008, Recent ventricular repolarization markers in resistant hypertension: are they different from the traditional QT interval?, Am J Hypertens, 21, 47, 10.1038/ajh.2007.4 Hlaing, 2005, The QT and Tp–e intervals in left and right chest leads: comparison between patients with systemic and pulmonary hypertension, J Electrocardiol, 38, S154, 10.1016/j.jelectrocard.2005.06.028 Gupta, 2008, Tp–e/QT ratio as an index of arrhythmogenesis, J Electrocardiol, 41, 567, 10.1016/j.jelectrocard.2008.07.016 Billman, 2008, Novel transient outward and ultra–rapid delayed rectifier current antagonist, AVE0118, protects against ventricular fibrillation induced by myocardial ischemia, J Cardiovasc Pharmacol, 514, 352, 10.1097/FJC.0b013e31816586bd Saenen, 2008, Molecular aspects of the congenital and acquired Long QT Syndrome: clinical implications, J Mol Cell Cardiol, 44, 633, 10.1016/j.yjmcc.2008.01.006 Wang, 2008, Preclinical assessment of drug–induced proarrhythmias: role of the arterially perfused rabbit left ventricular wedge preparation, Pharmacol The, 119, 141 Liu, 2006, Blinded validation of the isolated arterially perfused rabbit ventricular wedge in preclinical assessment of drug–induced proarrhythmias, Heart Rhythm, 3, 948, 10.1016/j.hrthm.2006.04.021 Yamaguchi, 2003, T wave peak–to–end interval and QT dispersion in acquired long QT syndrome: a new index for arrhythmogenicity, Clin Sci (Lond), 105, 671, 10.1042/CS20030010 Zhao, 2009, The difference between QT and T(p–e) intervals in left and right chest leads in patients with hypertension and chronic obstructive pulmonary diseases, Chin J Cardiac Pacing Electrophysiol(in chinese), 23, 116 Letsas, 2009, Clinical characteristics of patients with drug–induced QT interval prolongation and torsade de pointes: identification of risk factors, Clin Res Cardiol, 98, 208, 10.1007/s00392-008-0741-y Sabir, 2007, Transient alterations in transmural repolarization gradients and arrhythmogenicity in hypokalaemic Langendorff–perfused murine hearts, J Physiol, 581, 277, 10.1113/jphysiol.2007.128637