Myocardial performance is reduced immediately prior to ventricular ectopy

Research output: Contribution to journalJournal article – Annual report year: 2011Researchpeer-review

Standard

Myocardial performance is reduced immediately prior to ventricular ectopy. / Bloch Thomsen, Poul Erik; Hansen, Thomas Fritz; Jons, Christian; Olsen, Thue; Johannessen, Arne; Særmark, Knud; McNitt, Scott; Haigney, Mark; Sogaard, Peter.

In: Heart Rhythm, Vol. 9, No. 1, 2012, p. 86-90.

Research output: Contribution to journalJournal article – Annual report year: 2011Researchpeer-review

Harvard

Bloch Thomsen, PE, Hansen, TF, Jons, C, Olsen, T, Johannessen, A, Særmark, K, McNitt, S, Haigney, M & Sogaard, P 2012, 'Myocardial performance is reduced immediately prior to ventricular ectopy', Heart Rhythm, vol. 9, no. 1, pp. 86-90. https://doi.org/10.1016/j.hrthm.2011.08.023

APA

Bloch Thomsen, P. E., Hansen, T. F., Jons, C., Olsen, T., Johannessen, A., Særmark, K., ... Sogaard, P. (2012). Myocardial performance is reduced immediately prior to ventricular ectopy. Heart Rhythm, 9(1), 86-90. https://doi.org/10.1016/j.hrthm.2011.08.023

CBE

Bloch Thomsen PE, Hansen TF, Jons C, Olsen T, Johannessen A, Særmark K, McNitt S, Haigney M, Sogaard P. 2012. Myocardial performance is reduced immediately prior to ventricular ectopy. Heart Rhythm. 9(1):86-90. https://doi.org/10.1016/j.hrthm.2011.08.023

MLA

Vancouver

Author

Bloch Thomsen, Poul Erik ; Hansen, Thomas Fritz ; Jons, Christian ; Olsen, Thue ; Johannessen, Arne ; Særmark, Knud ; McNitt, Scott ; Haigney, Mark ; Sogaard, Peter. / Myocardial performance is reduced immediately prior to ventricular ectopy. In: Heart Rhythm. 2012 ; Vol. 9, No. 1. pp. 86-90.

Bibtex

@article{e0b96fde783f455498977ab586b84331,
title = "Myocardial performance is reduced immediately prior to ventricular ectopy",
abstract = "Background: We recently demonstrated local voltage potentials indicating conduction impairment and block in the sinus beats preceding ventricular premature beats (VPBs) originating in the ventricular outflow tracts. Objective: The purpose of this study was to test the hypothesis that impairment of impulse conduction would also lead to changes in the contractile performance of sinus beats preceding ventricular ectopy using Tissue Doppler echocardiography. Methods: Twenty-three consecutive patients with VPBs were examined in the apical 4-chamber view with a frame rate of 150 Hz (GE VIVID VII). Eleven patients had no structural heart disease, 5 had dilated cardiomyopathy, 4 had ischemic heart disease, 2 had arrhythmogenic right ventricular dysplasia, and 1 had aortic stenosis. The ectopy originated in the ventricular outflow tracts in 15 patients and in the left ventricle 8. Eleven of the patients underwent radiofrequency ablation of the VPBs. Results: Tissue Doppler imaging demonstrated a highly statistically significant decrease in myocardial performance in the last sinus beat before the VPB compared to earlier sinus beats. Thus, ejection time (time to peak end-systolic contraction) and peak systolic velocity shortened significantly (P",
keywords = "Cardiomyopathy, Conduction impairment, Tissue Doppler imaging, Ventricular premature beats",
author = "{Bloch Thomsen}, {Poul Erik} and Hansen, {Thomas Fritz} and Christian Jons and Thue Olsen and Arne Johannessen and Knud S{\ae}rmark and Scott McNitt and Mark Haigney and Peter Sogaard",
year = "2012",
doi = "10.1016/j.hrthm.2011.08.023",
language = "English",
volume = "9",
pages = "86--90",
journal = "Heart Rhythm",
issn = "1547-5271",
publisher = "Elsevier Inc",
number = "1",

}

RIS

TY - JOUR

T1 - Myocardial performance is reduced immediately prior to ventricular ectopy

AU - Bloch Thomsen, Poul Erik

AU - Hansen, Thomas Fritz

AU - Jons, Christian

AU - Olsen, Thue

AU - Johannessen, Arne

AU - Særmark, Knud

AU - McNitt, Scott

AU - Haigney, Mark

AU - Sogaard, Peter

PY - 2012

Y1 - 2012

N2 - Background: We recently demonstrated local voltage potentials indicating conduction impairment and block in the sinus beats preceding ventricular premature beats (VPBs) originating in the ventricular outflow tracts. Objective: The purpose of this study was to test the hypothesis that impairment of impulse conduction would also lead to changes in the contractile performance of sinus beats preceding ventricular ectopy using Tissue Doppler echocardiography. Methods: Twenty-three consecutive patients with VPBs were examined in the apical 4-chamber view with a frame rate of 150 Hz (GE VIVID VII). Eleven patients had no structural heart disease, 5 had dilated cardiomyopathy, 4 had ischemic heart disease, 2 had arrhythmogenic right ventricular dysplasia, and 1 had aortic stenosis. The ectopy originated in the ventricular outflow tracts in 15 patients and in the left ventricle 8. Eleven of the patients underwent radiofrequency ablation of the VPBs. Results: Tissue Doppler imaging demonstrated a highly statistically significant decrease in myocardial performance in the last sinus beat before the VPB compared to earlier sinus beats. Thus, ejection time (time to peak end-systolic contraction) and peak systolic velocity shortened significantly (P

AB - Background: We recently demonstrated local voltage potentials indicating conduction impairment and block in the sinus beats preceding ventricular premature beats (VPBs) originating in the ventricular outflow tracts. Objective: The purpose of this study was to test the hypothesis that impairment of impulse conduction would also lead to changes in the contractile performance of sinus beats preceding ventricular ectopy using Tissue Doppler echocardiography. Methods: Twenty-three consecutive patients with VPBs were examined in the apical 4-chamber view with a frame rate of 150 Hz (GE VIVID VII). Eleven patients had no structural heart disease, 5 had dilated cardiomyopathy, 4 had ischemic heart disease, 2 had arrhythmogenic right ventricular dysplasia, and 1 had aortic stenosis. The ectopy originated in the ventricular outflow tracts in 15 patients and in the left ventricle 8. Eleven of the patients underwent radiofrequency ablation of the VPBs. Results: Tissue Doppler imaging demonstrated a highly statistically significant decrease in myocardial performance in the last sinus beat before the VPB compared to earlier sinus beats. Thus, ejection time (time to peak end-systolic contraction) and peak systolic velocity shortened significantly (P

KW - Cardiomyopathy

KW - Conduction impairment

KW - Tissue Doppler imaging

KW - Ventricular premature beats

U2 - 10.1016/j.hrthm.2011.08.023

DO - 10.1016/j.hrthm.2011.08.023

M3 - Journal article

VL - 9

SP - 86

EP - 90

JO - Heart Rhythm

JF - Heart Rhythm

SN - 1547-5271

IS - 1

ER -