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ECG myocardial scar quantification predicts reverse left ventricular remodeling and survival after cardiac resynchronization therapy implantation: A retrospective pilot study.

Publication ,  Journal Article
Atwater, BD; Babatunde, A; Swan, C; Wieslander, B; Andresen, A; Rabineau, D; Tomfohr, J; Wagner, G; Jackson, KP; Daubert, JP
Published in: J Electrocardiol
2015

INTRODUCTION: Electrocardiographic (ECG) LV scar quantification may improve prediction of CRT response. METHODS AND RESULTS: Data were abstracted in 76 patients who underwent a first CRT implantation at 2 US centers. Selvester QRS scar quantification was performed using the LBBB modified QRS scoring method. Seven clinical variables previously associated with reverse LV remodeling (RLVR) and QRS score were included in logistic regression analysis. Survival was compared across QRS score quartiles using Kaplan-Meier curves. RLVR occurred more frequently in patients with QRS score ≤ 5 (63%) than QRS score>5 (22%), (OR=5.83, 95% CI=2.11-16.07). After adjustment for clinical variables using logistic regression, QRS score>5 predicted RLVR (Chi-square=20.3, P=0.005, AUC=0.782). Patients in the lowest quartile of QRS score (<4) had improved survival compared to patients in the other QRS score quartiles (P=0.037). CONCLUSION: ECG quantified LV scar predicts RLVR and long-term survival in patients with LBBB undergoing CRT implantation.

Duke Scholars

Published In

J Electrocardiol

DOI

EISSN

1532-8430

Publication Date

2015

Volume

48

Issue

4

Start / End Page

565 / 570

Location

United States

Related Subject Headings

  • Ventricular Dysfunction, Left
  • Treatment Outcome
  • Survival Analysis
  • Sensitivity and Specificity
  • Risk Factors
  • Retrospective Studies
  • Reproducibility of Results
  • Prognosis
  • Pilot Projects
  • North Carolina
 

Citation

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Atwater, B. D., Babatunde, A., Swan, C., Wieslander, B., Andresen, A., Rabineau, D., … Daubert, J. P. (2015). ECG myocardial scar quantification predicts reverse left ventricular remodeling and survival after cardiac resynchronization therapy implantation: A retrospective pilot study. J Electrocardiol, 48(4), 565–570. https://doi.org/10.1016/j.jelectrocard.2015.05.010
Journal cover image

Published In

J Electrocardiol

DOI

EISSN

1532-8430

Publication Date

2015

Volume

48

Issue

4

Start / End Page

565 / 570

Location

United States

Related Subject Headings

  • Ventricular Dysfunction, Left
  • Treatment Outcome
  • Survival Analysis
  • Sensitivity and Specificity
  • Risk Factors
  • Retrospective Studies
  • Reproducibility of Results
  • Prognosis
  • Pilot Projects
  • North Carolina