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- W2146765274 abstract "<h3>Objective:</h3> Evaluation of the significance of the Wedensky Modulation (WM) examination for ventricular tachyarrhythmias (VT) in patients with coronary artery disease and implantable cardioverter-defibrillator therapy (ICD). <h3>Design:</h3> Prospective, single-centre study conducted from 2004 to 2006. <h3>Setting:</h3> University of Bonn, Department of Medicine – Cardiology, Bonn, Germany. <h3>Patients:</h3> 37 consecutive patients with coronary artery disease receiving an ICD for primary or secondary prevention. <h3>Main outcome measures:</h3> Correlation of a positive WM-Index (WMI) with established non-invasive Holter parameter, the occurrence of VT after ICD implantation with regard to primary or secondary prevention, and inducibility of VT during electrophysiological (EP) studies. <h3>Results:</h3> The WMI was positive in 15 patients (67 (SD 8) years, 31% (SD 12%) EF) and showed significant correlation with heart rate variability (standard deviation of normal to normal intervals (SDNN): 143 (SD 80) ms vs 102 (SD 29) ms, p = 0.04, r = 0.45; total power (TP). 11 885 (SD 19 674) ms<sup>2</sup> vs 2229 (SD 1779) ms<sup>2</sup>, p = 0.03, r = 0.384; very low frequency component (VLF): 2777 (SD 3039) ms<sup>2</sup> vs 1184 (SD 565) ms<sup>2</sup>, p = 0.03; low frequency component (LF): 2955 (SD 5734) ms<sup>2</sup> vs 468 (SD 725) ms<sup>2</sup>, p = 0.05, r = 0.375; high frequency component (HF): 4885 (SD 9939) ms<sup>2</sup> vs 382 (SD 609) ms<sup>2</sup>, p = 0.05, r = 0.315) and turbulence (turbulence onset (TO): −0.002 (SD 0.008) vs +0.005 (SD 0.01), p = 0.05, r = 0.301; turbulence slope (TS): 3.4 (SD 3.1) vs 1.7 (SD 1.5), p = 0.04, r = 0.419). The positive predictive value of the WMI considering the inducibility of VT during EP testing was 100%. Those patients who received an ICD for primary prevention showed a higher WMI (p = 0.049) than the secondary prevention group. With respect to the occurrence of adequate VT episodes, a negative WM test result demonstrated a negative predictive value of 95%. <h3>Conclusion:</h3> The data presented show that the WM-Index predicts VT inducibility during EP testing and indicates a high negative predictive value regarding the occurrence of VT." @default.
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- W2146765274 date "2007-10-04" @default.
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- W2146765274 title "Significance of Wedensky Modulation testing in the evaluation of non-invasive risk stratification for ventricular tachyarrhythmia in patients with coronary artery disease and implantable cardioverter-defibrillator" @default.
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- W2146765274 doi "https://doi.org/10.1136/hrt.2006.112730" @default.
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