Heart Rate Variability as a Potential Marker for the Recurrence of Atrial Fibrillation after Electrical Cardioversion

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Abstract

Backgound: Cardiac autonomic nerve activity is important in cardiac arrhythmogenesis. We evaluated whether heart rate variability (HRV) with pre and post-DC cardioversion (DCC) could be used as predictors for atrial fibrillation (AF) recurrence after successful DCC. Methods: Forty-one consecutive patients with persistent AF who had HRV evaluation were treated with DCC. Three patients failed sinus conversion and thirty-eight patients (59 ages, 68% men) were enrolled. After successful DCC, post-DCC HRV was measured for 2 to 3 hours before discharge. Results: Twenty-one (55%) patients showed AF recurrence within 2 months after DCC. With HRV measured before DCC, those with recurrence showed higher VLF (10911±6080 vs. 7183±3794ms2), LF (5781±2921 vs. 3770± 1686ms2), total power (17552±9145 vs. 12030±5540ms2), and SDANN (173±45 vs. 140±46ms), whereas MSSD (97±25 vs. 138±261ms) was lower than those in sinus rhythm (all, p<0.05). LF/HF ratio (3.49±1.36 vs. 4.49±2.29) showed no significant difference. Post-DCC HRV indices did not show any relationship with AF recurrence. There were no clinical and echocardiographic parameters related with AF recurrence except for LA volume (89±16 in sinus vs. 106±18 mm3 in AF recur, p=0.021). Conclusion: Increased HRV measured before DCC was associated with AF recurrence after successful DCC in persistent AF patients, suggesting important role of cardiac autonomic activity for AF recurrence.

Original languageEnglish
Number of pages1
JournalJournal of Arrhythmia
Volume27
Issue number4
DOIs
StatePublished - 1 Jan 2011

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Electric Countershock
Atrial Fibrillation
Heart Rate
Recurrence
Autonomic Pathways

Keywords

  • atrial fibrillation
  • electrical cardioversion
  • heart rate variability

Cite this

@article{95910603d0ea4715bdd5eadecf1efc7c,
title = "Heart Rate Variability as a Potential Marker for the Recurrence of Atrial Fibrillation after Electrical Cardioversion",
abstract = "Backgound: Cardiac autonomic nerve activity is important in cardiac arrhythmogenesis. We evaluated whether heart rate variability (HRV) with pre and post-DC cardioversion (DCC) could be used as predictors for atrial fibrillation (AF) recurrence after successful DCC. Methods: Forty-one consecutive patients with persistent AF who had HRV evaluation were treated with DCC. Three patients failed sinus conversion and thirty-eight patients (59 ages, 68{\%} men) were enrolled. After successful DCC, post-DCC HRV was measured for 2 to 3 hours before discharge. Results: Twenty-one (55{\%}) patients showed AF recurrence within 2 months after DCC. With HRV measured before DCC, those with recurrence showed higher VLF (10911±6080 vs. 7183±3794ms2), LF (5781±2921 vs. 3770± 1686ms2), total power (17552±9145 vs. 12030±5540ms2), and SDANN (173±45 vs. 140±46ms), whereas MSSD (97±25 vs. 138±261ms) was lower than those in sinus rhythm (all, p<0.05). LF/HF ratio (3.49±1.36 vs. 4.49±2.29) showed no significant difference. Post-DCC HRV indices did not show any relationship with AF recurrence. There were no clinical and echocardiographic parameters related with AF recurrence except for LA volume (89±16 in sinus vs. 106±18 mm3 in AF recur, p=0.021). Conclusion: Increased HRV measured before DCC was associated with AF recurrence after successful DCC in persistent AF patients, suggesting important role of cardiac autonomic activity for AF recurrence.",
keywords = "atrial fibrillation, electrical cardioversion, heart rate variability",
author = "Choi, {Eue Keun} and Il-Young Oh and Seil Oh",
year = "2011",
month = "1",
day = "1",
doi = "10.4020/jhrs.27.OP23_1",
language = "English",
volume = "27",
journal = "journal of arrhythmia",
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T1 - Heart Rate Variability as a Potential Marker for the Recurrence of Atrial Fibrillation after Electrical Cardioversion

AU - Choi, Eue Keun

AU - Oh, Il-Young

AU - Oh, Seil

PY - 2011/1/1

Y1 - 2011/1/1

N2 - Backgound: Cardiac autonomic nerve activity is important in cardiac arrhythmogenesis. We evaluated whether heart rate variability (HRV) with pre and post-DC cardioversion (DCC) could be used as predictors for atrial fibrillation (AF) recurrence after successful DCC. Methods: Forty-one consecutive patients with persistent AF who had HRV evaluation were treated with DCC. Three patients failed sinus conversion and thirty-eight patients (59 ages, 68% men) were enrolled. After successful DCC, post-DCC HRV was measured for 2 to 3 hours before discharge. Results: Twenty-one (55%) patients showed AF recurrence within 2 months after DCC. With HRV measured before DCC, those with recurrence showed higher VLF (10911±6080 vs. 7183±3794ms2), LF (5781±2921 vs. 3770± 1686ms2), total power (17552±9145 vs. 12030±5540ms2), and SDANN (173±45 vs. 140±46ms), whereas MSSD (97±25 vs. 138±261ms) was lower than those in sinus rhythm (all, p<0.05). LF/HF ratio (3.49±1.36 vs. 4.49±2.29) showed no significant difference. Post-DCC HRV indices did not show any relationship with AF recurrence. There were no clinical and echocardiographic parameters related with AF recurrence except for LA volume (89±16 in sinus vs. 106±18 mm3 in AF recur, p=0.021). Conclusion: Increased HRV measured before DCC was associated with AF recurrence after successful DCC in persistent AF patients, suggesting important role of cardiac autonomic activity for AF recurrence.

AB - Backgound: Cardiac autonomic nerve activity is important in cardiac arrhythmogenesis. We evaluated whether heart rate variability (HRV) with pre and post-DC cardioversion (DCC) could be used as predictors for atrial fibrillation (AF) recurrence after successful DCC. Methods: Forty-one consecutive patients with persistent AF who had HRV evaluation were treated with DCC. Three patients failed sinus conversion and thirty-eight patients (59 ages, 68% men) were enrolled. After successful DCC, post-DCC HRV was measured for 2 to 3 hours before discharge. Results: Twenty-one (55%) patients showed AF recurrence within 2 months after DCC. With HRV measured before DCC, those with recurrence showed higher VLF (10911±6080 vs. 7183±3794ms2), LF (5781±2921 vs. 3770± 1686ms2), total power (17552±9145 vs. 12030±5540ms2), and SDANN (173±45 vs. 140±46ms), whereas MSSD (97±25 vs. 138±261ms) was lower than those in sinus rhythm (all, p<0.05). LF/HF ratio (3.49±1.36 vs. 4.49±2.29) showed no significant difference. Post-DCC HRV indices did not show any relationship with AF recurrence. There were no clinical and echocardiographic parameters related with AF recurrence except for LA volume (89±16 in sinus vs. 106±18 mm3 in AF recur, p=0.021). Conclusion: Increased HRV measured before DCC was associated with AF recurrence after successful DCC in persistent AF patients, suggesting important role of cardiac autonomic activity for AF recurrence.

KW - atrial fibrillation

KW - electrical cardioversion

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