24-Hour QT variability in heart failure

Journal of Electrocardiology

Volumn 42, Issue 6, 2009, Pages 500-504

  Dobson, Craig P ^b   La Rovere, Maria Teresa ^c   Olsen, Cara ^a   Berardinangeli, Marino ^e   Veniani, Marco ^f   Midi, Paolo ^d   Tavazzi, Luigi ^g   Haigney, Mark ^a  

^a UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES   (United States)

^b CHILDREN'S NATIONAL MEDICAL CENTER   (United States)

^c IRCCS   (Italy)

^d USL 4   (Italy)

^e Ospedale Civile   (Italy)

^f Ospedale Civile S Giuseppe   (Italy)

^g GVM Hospitals of Care and Research   (Italy)

Author keywords

Gender; QT; QT variability; Repolarization; U wave; Ventricular fibrillation

Indexed keywords

ADULT; AGED; ARTICLE; CIRCADIAN RHYTHM; DEFIBRILLATOR; FEMALE; HEART FAILURE; HEART RATE VARIABILITY; HEART REPOLARIZATION; HEART VENTRICLE ARRHYTHMIA; HOLTER MONITORING; HUMAN; MAJOR CLINICAL STUDY; MALE; POTASSIUM BLOOD LEVEL; PRIORITY JOURNAL; QT INTERVAL;

ADULT; AGED; AGED, 80 AND OVER; ARRHYTHMIAS, CARDIAC; ELECTROCARDIOGRAPHY, AMBULATORY; FEMALE; HEART FAILURE; HEART RATE; HUMANS; MALE; MIDDLE AGED; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY;

EID: 70350068279     PISSN: 00220736     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jelectrocard.2009.06.021     Document Type: Article

References (9)

1. Berger R.D., Kasper E.K., Baughman K.L., Marban E., Calkins H., and Tomaselli G.F. Beat-to-beat QT interval variability: novel evidence for repolarization lability in ischemic and nonischemic dilated cardiomyopathy. Circulation 96 (1997) 1557
2. Haigney M.C., Zareba W., Gentlesk P.J., et al. QT interval variability and spontaneous ventricular tachycardia or fibrillation in the Multicenter Automatic Defibrillator Implantation Trial (MADIT) II patients. J Am Coll Cardiol. 44 (2004) 1481
3. Tavazzi L., Tognoni G., Franzosi M.G., et al. Rationale and design of the GISSI Heart Failure trial: a large trial to assess the effects of n-3 polyunsaturated fatty acids and rosuvastatin in symptomatic congestive heart failure. Eur J Heart Fail. 6 (2004) 635
4. Raghunandan D.S., Desai N., Mallavarapu M., Berger R.D., and Yeragani V.K. Increased beat-to-beat QT variability in patients with congestive cardiac failure. Indian Heart J 57 (2005) 138
5. Yang T., and Roden D.M. Extracellular potassium modulation of drug block of IKr. Implications for torsade de pointes and reverse use-dependence. Circulation 93 (1996) 407
6. Jensen B.T., Abildstrom S.Z., Larroude C.E., et al. QT dynamics in risk stratification after myocardial infarction. Heart Rhythm. 2 (2005) 357
7. Browne K.F., Prystowsky E., Heger J.J., Chilson D.A., and Zipes D.P. Prolongation of the Q-T interval in man during sleep. Am J Cardiol. 52 (1983) 55
8. Tofler G.H., Gebara O.C.E., and Mittleman M.A. Morning peak in ventricular tachyarrhythmias detected by time of implantable cardioverter/defibrillator therapy. Circulation. 92 (1995) 1203
9. Muller J.E., Ludmer P.L., and Willich S.N. Circadian variation in the frequency of sudden cardiac death. Circulation. 75 (1987) 131