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Heart rate variability measures poorly predict atrial fibrillation after off-pump coronary artery bypass grafting
Journal article   Peer reviewed

Heart rate variability measures poorly predict atrial fibrillation after off-pump coronary artery bypass grafting

Dmitri Chamchad, Jay C. Horrow, Louis E. Samuels and Lev Nakhamchik
Journal of clinical anesthesia, v 23(6), pp 451-455
2011
DOI: https://doi.org/10.1016/j.jclinane.2010.12.016
PMID: 21911190
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Atrial fibrillation Heart rate variability Off-pump coronary artery bypass graft surgery Postoperative
To investigate associations of heart rate variability (HRV) measurements with postoperative atrial fibrillation (AF) in patients undergoing off-pump coronary surgery. Prospective, observational, exploratory study. Large university-affiliated community medical center. 50 patients undergoing off-pump coronary artery bypass grafting (CABG). Preoperative recording of electrocardiograms (ECGs) with subsequent off-line HRV analysis. Monitored ECG telemetry for 5 days after operation. Frequency and time domain analyses, and additional non-linear HRV determinations. Multivariate regression analysis of predictors of postoperative AF. AF occurred in 23 (46%) patients. Only the low to high-frequency ratio was associated with AF (2.35 ± 1.8 v. 4.57 ± 5.0 for patients without AF, P < 0.05). The off-pump approach does not protect against AF, and nonlinear HRV analyses provide little value in predicting AF after off-pump CABG.

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9 citations in Web of Science
9 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Anesthesiology
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