American Heart Journal
Volume 141, Issue 6 , Pages 944-948 , June 2001

Does the presence of hibernating myocardium in patients with impaired left ventricular contraction affect QT dispersion?

Received 19 October 2000 ,Accepted 9 February 2001.

References 

  1. Eitzman D, Al-Aouar Z, Kanter HL, et al.  Clinical outcome of patients with advanced coronary artery disease after viability studies with positron emission tomography. J Am Coll Cardiol. 1992;20:559–565
  2. Zabel M, Klingenheben T, Franz MR, et al.  Assessment of QT dispersion for prediction of mortality or arrhythmic events after myocardial infarction: results of a prospective, long-term follow-up study. Circulation. 1998;97:2543–2550
  3. Schneider CA, Voth E, Baer FM, et al.  QT dispersion is determined by the extent of viable myocardium in patients with chronic Q-wave myocardial infarction. Circulation. 1997;96:3913–3920
  4. Lemlek J, Heo J, Iskandian AS. The clinical relevance of myocardial viability in patient management. Am Heart J. 1992;124:1327–1331
  5. Al-Mohammad A, Mahy IR, Norton MY, et al.  Prevalence of hibernating myocardium in patients with severely impaired ischaemic left ventricles. Heart. 1998;80:559–564
  6. Baer FM, Voth E, Schneider CA, et al.  Comparison of low-dose dobutamine gradient-echo magnetic resonance imaging and positron emission tomography with [18F] fluorodeoxyglucose in patients with chronic coronary artery disease. Circulation. 1995;91:1006–1015
  7. Cowan JC, Yusoff K, Moore M, et al.  Importance of lead selection in QT interval measurement. Am J Cardiol. 1988;61:83–87
  8. Higham PD, Campbell RWF. QT dispersion. Br Heart J. 1994;71:508–510
  9. Bazett HC. An analysis of the time relations of electrocardiograms. Heart. 1920;7:353–370
  10. Pye MP, Cobbe SM. Mechanisms of ventricular arrhythmias in cardiac failure and hypertrophy. Cardiovasc Res. 1992;26:740–750
  11. Massie BM, Conway M. Survival of patients with congestive heart failure: past, present and future prospects. Circulation. 1987;75:IV-11–IV-19
  12. Higham PD, Furniss SS, Campbell RW. QT dispersion and components of the QT interval in ischaemia and infarction. Br Heart J. 1995;73:32–36
  13. Barr CS, Naas A, Freeman M, et al.  QT dispersion and sudden unexpected death in chronic heart failure. Lancet. 1994;343:327–329
  14. Puljevic D, Smalcelj A, Durakovic Z, et al.  Effects of postmyocardial infarction scar size, cardiac function, and severity of coronary artery disease on QT interval dispersion as a risk factor for complex ventricular arrhythmia. Pacing Clin Electrophysiol. 1998;21:1508–1516
  15. vom Dahl J, Eitzman DT, Al-Aouar ZR, et al.  Relation of regional function, perfusion, and metabolism in patients with advanced coronary artery disease undergoing surgical revascularization. Circulation. 1994;90:2356–2366

☆ Reprint requests: Dr A. Al Mohammad, Specialist Registrar, Department of Cardiology, Aberdeen Royal Infirmary, Foresterhill, Aberdeen AB25 2ZN. E-mail: aammay@hotmail.com

PII: S0002-8703(01)68905-1

doi: 10.1067/mhj.2001.114973

American Heart Journal
Volume 141, Issue 6 , Pages 944-948 , June 2001

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