Beat-to-beat assessment of QT/RR interval ratio in severe heart failure and overt myocardial ischemia: A measure of electrical integrity in diseased hearts

PACE - Pacing and Clinical Electrophysiology

Volumn 26, Issue 4, 2003, Pages 836-842

  Faber, Thomas S ^a   Grom, Andreas ^a   Schöpflin, Markus ^a   Brunner, Michael ^a   Bode, Christoph ^a   Zehender, Manfred ^a  

^a UNIVERSITY OF FREIBURG   (Germany)

Author keywords

Autonomic tone; Heart failure; Myocardial ischemia; QT dynamicity; QT RR interval ratio; Ventricular repolarization

Indexed keywords

ADOLESCENT; ADULT; AGED; ARTICLE; CIRCADIAN RHYTHM; CONGESTIVE HEART FAILURE; CONTROLLED STUDY; CORONARY ARTERY DISEASE; FEMALE; HEART DILATATION; HEART LEFT VENTRICLE EJECTION FRACTION; HEART MUSCLE ISCHEMIA; HEART REPOLARIZATION; HEART VENTRICLE ARRHYTHMIA; HIGH RISK POPULATION; HOLTER MONITORING; HUMAN; MAJOR CLINICAL STUDY; MALE; PATHOPHYSIOLOGY; QT INTERVAL; REGRESSION ANALYSIS; RR INTERVAL; ST SEGMENT DEPRESSION; UNSTABLE ANGINA PECTORIS;

EID: 0037392864     PISSN: 01478389     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1460-9592.2003.t01-1-00147.x     Document Type: Article

References (25)

1. Pellerin D, Maison-Blanche P, Extramiana F, et al. Autonomic influences on ventricular repolarization in congestive heart failure. J Electrocardiol 2001; 34:35-40.
2. Emori T, Ohe T, Aihara N, et al. Dynamic relationship between the Q-aT interval and heart rate in patients with long-QT syndrome during 24-hour Holter ECG monitoring. PACE 1995; 18:1909-1918.
3. Algra A, Tijssen JGP, Roelandt JRTC, et al. QT interval variables from 24 hour electrocardiography and the two year risk of sudden death. Br Heart J 1993; 70:43-48.
4. Tomaselli GF, Beukelmann DJ, CalkinsHG, et al. Sudden cardiac death in heart failure: The role of abnormal repolarization. Circulation 1994; 90:2534-2539.
5. Merri M, Moss AJ, Benhorin J, et al. Relation between ventricular repolarization duration and cardiac cycle length during 24-hour Holter recordings. Findings in normal patients and patients with long QT syndrome. Circulation 1992; 85:1816-1821.
6. Browne KF, Zipes DP, Heger JJ, et al. Influence of the autonomic nervous system on the QT interval in man. Am J Cardiol 1982; 50:1099-1103.
7. Kligfield P, Lax KG, Okin PM. QT interval-heart rate relation during exercise in normal men and women: Definition by linear regression analysis. J Am Coll Cardiol 1996; 28:1547-1555.
8. Maison-Blanche P, Coumel P. Changes in repolarization dynamicity and the assessment of the arrhythmic risk. PACE 1997; 20:2614-2624.
9. Singh JP, Johnston J, Sleight P, et al. Left ventricular hypertrophy in hypertensive patients is associated with abnormal rate adaptation of QT interval. J Am Coll Cardiol 1997; 29:778-784.
10. Berger RD, Kasper EK, Baughman KL, et al. Beat-to-beat QT interval variability - novel evidence for repolarization lability in ischemic and nonischemic dilated cardiomyopathy. Circulation 1997; 96:1557-1565.
11. Vrtovec B, Starc V, Starc R. Beat-to-beat OT interval variability in coronary patients. J Electrocardiol 2000; 33:119-125.
12. Arildsen H, Christiansen EH, Pedersen AK, et al. Reproducibility of QT parameters derived from 24-hour ambulatory ECG recordings in healthy subjects. Ann Noninvasive Electrocardiol 2001; 6:24-31.
13. Coumel P, Fayn J, Maison-Blanche P, et al. Clinical relevance of assessing QT dynamicity in Holter recordings. J Electrocardiol 1994; 27(Suppl):62-66.
14. Bazett HC. An analysis of the time relations of electrocardiograms. Heart 1920; 7:353-370.
15. Whitsel EA, Raghunathan TE, Pearce RM, et al. RR interval variation, the QT interval index and risk of primary cardiac arrest among patients without clinically recognized heart disease. Eur Heart J 2001; 22:165-173.
16. Baumann JL, Pharm D, Bauernfeind RA, et al. Torsade de pointes due to quinidine: Observations in 31 patients. Am Heart J 1984; 107:425-430.
17. Podrid PJ, Fogel RI, Fuchs TT. Ventricular arrhythmia in congestive heart failure. Am J Cardiol 1992; 69:82G-96G.
18. Ong JJC, Sarma JSM, Venkataraman K, et al. Circadian rhythmicity of heart rate and QTc interval in diabetic autonomic neuropathy: Implications for the mechanism of sudden death. Am Heart J 1993; 125:744-752.
19. Alexopoulos D, Rynkiewicz A, Yusuf S, et al. Diurnal variations of the QT interval after cardiac transplantation. Am J Cardiol 1988; 62:482-485.
20. Bruggemann T, Andresen D, Eisenreich S, et al. QT variability during 24-hour electrocardiography: A predictor of poor outcome in patients after myocardial infarction? Eur Heart J 1995; 16(Suppl.):446A.
21. Molnar J, Zhang F, Weiss J, et al. Diurnal pattern of QTc interval: How long is prolonged? Possible relation to circadian triggers of cardiovascular events. J Am Coll Cardiol 1996; 27:76-83.
22. Kay GN, Plumb VJ, Arciniegas JG, et al. Torsade de pointes: The long-short initiating sequence and other clinical features: Observations in 32 patients. J Am Coll Cardiol 1983; 2:806-817.
23. Singh LP, Sleight P, Kardos A, et al. QT interval dynamics and heart rate variability preceding a case of cardiac arrest. Heart 1997; 77:375-377.
24. Molnar J, Weiss J, Zhag F, et al. Evaluation of five QT correction formulas using a software-assisted method of continuous QT measurement from 24-hour Holter recordings. Am J Cardiol 1996; 78:920-926.
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