Conventional QT variability measurement vs. template matching techniques: Comparison of performance using simulated and real ECG

PLoS ONE

Volumn 7, Issue 7, 2012, Pages

  Baumert, Mathias ^a,b   Starc, Vito ^c   Porta, Alberto ^d  

^a UNIVERSITY OF ADELAIDE   (Australia)

^b UNIVERSITY OF ADELAIDE   (Australia)

^c UNIVERSITY OF LJUBLJANA   (Slovenia)

^d UNIVERSITY OF MILAN   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

SOTALOL;

ALGORITHM; ARTICLE; CARDIOVASCULAR PARAMETERS; COMPARATIVE STUDY; CONVENTIONAL ALGORITHM; CORRELATION ANALYSIS; ELECTROCARDIOGRAM; ELECTROCARDIOGRAPHY; HUMAN; QT INTERVAL; QT PROLONGATION; STATISTICAL ANALYSIS; STRETCHING ALGORITHM; T WAVE AMPLITUDE; TIME SHIFTING ALGORITHM;

ANTI-ARRHYTHMIA AGENTS; COMPUTER SIMULATION; ECHOCARDIOGRAPHY; HUMANS; MODELS, BIOLOGICAL; MYOCARDIAL CONTRACTION; REPRODUCIBILITY OF RESULTS; RETROSPECTIVE STUDIES; SIGNAL-TO-NOISE RATIO; SOTALOL;

EID: 84864447009     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0041920     Document Type: Article

References (29)

1. Malik M, Garnett CE, Zhang J, (2010) Thorough QT Studies: Questions and Quandaries. Drug Saf 33: 1-14.
2. Locati EH, Schwartz PJ, (1992) The idiopathic long QT syndrome: therapeutic management. Pacing Clin Electrophysiol 15: 1374-1379.
3. Berger RD, Kasper EK, Baughman KL, Marban E, Calkins H, et al. (1997) Beat-to-beat QT interval variability: novel evidence for repolarization lability in ischemic and nonischemic dilated cardiomyopathy. Circulation 96: 1557-1565.
4. Piccirillo G, Magri D, Matera S, Magnanti M, Torrini A, et al. (2007) QT variability strongly predicts sudden cardiac death in asymptomatic subjects with mild or moderate left ventricular systolic dysfunction: a prospective study. Eur Heart J 28: 1344-1350.
5. Haigney MC, Zareba W, Gentlesk PJ, Goldstein RE, Illovsky M, et al. (2004) QT interval variability and spontaneous ventricular tachycardia or fibrillation in the Multicenter Automatic Defibrillator Implantation Trial (MADIT) II patients. J Am Coll Cardiol 44: 1481-1487.
6. Schneider J, Hauser R, Andreas JO, Linz K, Jahnel U, (2005) Differential effects of human ether-a-go-go-related gene (HERG) blocking agents on QT duration variability in conscious dogs. Eur J Pharmacol 512: 53-60.
7. Thomsen MB, Verduyn SC, Stengl M, Beekman JD, de Pater G, et al. (2004) Increased short-term variability of repolarization predicts d-sotalol-induced torsades de pointes in dogs. Circulation 110: 2453-2459.
8. Vormberge T, Hoffmann M, Himmel H, (2006) Safety pharmacology assessment of drug-induced QT-prolongation in dogs with reduced repolarization reserve. J Pharmacol Toxicol Methods 54: 130-140.
9. Porta A, Tobaldini E, Gnecchi-Ruscone T, Montano N, (2010) RT variability unrelated to heart period and respiration progressively increases during graded head-up tilt. Am J Physiol Heart Circ Physiol 298: H1406-1414.
10. Baumert M, Schlaich MP, Nalivaiko E, Lambert E, Sari CI, et al. (2011) Relation between QT interval variability and cardiac sympathetic activity in hypertension. Am J Physiol Heart Circ Physiol 300: H1412-1417.
11. Baumert M, Lambert GW, Dawood T, Lambert EA, Esler MD, et al. (2008) QT interval variability and cardiac norepinephrine spillover in patients with depression and panic disorder. Am J Physiol Heart Circ Physiol 295: H962-H968.
12. Lengyel C, Varro A, Tabori K, Papp JG, Baczko I, (2007) Combined pharmacological block of I(Kr) and I(Ks) increases short-term QT interval variability and provokes torsades de pointes. Br J Pharmacol 151: 941-951.
13. Malik M, Hnatkova K, Schmidt A, Smetana P, (2009) Correction for QT/RR hysteresis in the assessment of drug-induced QTc changes-cardiac safety of gadobutrol. Ann Noninvasive Electrocardiol 14: 242-250.
14. Schlegel TT, Kulecz WB, Feiveson AH, Greco EC, DePalma JL, et al. (2010) Accuracy of advanced versus strictly conventional 12-lead ECG for detection and screening of coronary artery disease, left ventricular hypertrophy and left ventricular systolic dysfunction. BMC Cardiovasc Disord 10: 28.
15. Hinterseer M, Beckmann BM, Thomsen MB, Pfeufer A, Ulbrich M, et al. (2010) Usefulness of short-term variability of QT intervals as a predictor for electrical remodeling and proarrhythmia in patients with nonischemic heart failure. Am J Cardiol 106: 216-220.
16. Haigney MC, Zareba W, Nasir JM, McNitt S, McAdams D, et al. (2009) Gender differences and risk of ventricular tachycardia or ventricular fibrillation. Heart Rhythm 6: 180-186.
17. Solaimanzadeh I, Schlegel TT, Feiveson AH, Greco EC, DePalma JL, et al. (2008) Advanced electrocardiographic predictors of mortality in familial dysautonomia. Auton Neurosci 144: 76-82.
18. Potter SL, Holmqvist F, Platonov PG, Steding K, Arheden H, et al. (2010) Detection of hypertrophic cardiomyopathy is improved when using advanced rather than strictly conventional 12-lead electrocardiogram. J Electrocardiol 43: 713-718.
19. Baumert M, Smith J, Catcheside P, McEvoy RD, Abbott D, et al. (2008) Variability of QT interval duration in obstructive sleep apnea: an indicator of disease severity. Sleep 31: 959-966.
20. Porta A, Baselli G, Caiani E, Malliani A, Lombardi F, et al. (1998) Quantifying electrocardiogram RT-RR variability interactions. Med Biol Eng Comput 36: 27-34.
21. Moody GB, Koch H, Steinhoff U, (2006) The PhysioNet/Computers in cardiology challenge 2006: QT interval measurement. Computers in Cardiology 33: 313-316.
22. Antonaccio MJ, Gomoll A, (1993) Pharmacologic basis of the antiarrhythmic and hemodynamic effects of sotalol. Am J Cardiol 72: 27A-37A.
23. Porta A, Baselli G, Lombardi F, Cerutti S, Antolini R, et al. (1998) Performance assessment of standard algorithms for dynamic R-T interval measurement: comparison between R-Tapex and R-Tend approach. Med Biol Eng Comput 36: 35-42.
24. Pan J, Tompkins WJ, (1985) A real-time QRS detection algorithm. IEEE Trans Biomed Eng 32: 230-236.
25. Starc V, Schlegel TT, (2006) Real-time multichannel system for beat-to-beat QT interval variability. J Electrocardiol 39: 358-367.
26. Kaab S, Hinterseer M, Nabauer M, Steinbeck G, (2003) Sotalol testing unmasks altered repolarization in patients with suspected acquired long-QT-syndrome-a case-control pilot study using i.v. sotalol. Eur Heart J 24: 649-657.
27. Porta A, Bari V, Badilini F, Tobaldini E, Gnecchi-Ruscone T, et al. (2011) Frequency domain assessment of the coupling strength between ventricular repolarization duration and heart period during graded head-up tilt. J Electrocardiol 44: 662-668.
28. Couderc JP, Kaab S, Hinterseer M, McNitt S, Xia X, et al. (2009) Baseline values and sotalol-induced changes of ventricular repolarization duration, heterogeneity, and instability in patients with a history of drug-induced torsades de pointes. J Clin Pharmacol 49: 6-16.
29. Hasan MA, Abbott D, Baumert M, (2012) Relation between Beat-to-Beat QT Interval Variability and T Wave Amplitude in Healthy Subjects. Ann Noninvasive Electrocardiol. DOI: 10.1111/j.1542-474X.2012.00508.x.