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November 26, 2020Journal of the American Heart Association10 citationsOpen Access

Impact of Catheter Ablation on Sleep Quality and Relationship Between Sleep Stability and Recurrence of Paroxysmal Atrial Fibrillation After Successful Ablation: 24‐Hour Holter‐Based Cardiopulmonary Coupling Analysis

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Why the study?

Does radio-frequency catheter ablation improve sleep quality, and does baseline sleep quality predict AF recurrence in patients with paroxysmal atrial fibrillation?

Population

225 patients with paroxysmal atrial fibrillation who underwent radio-frequency catheter ablation and had a…

Comparison

Radio-frequency catheter ablation (RFCA) vs Pre-ablation baseline and second tertile of…

Design

Cohort

Follow-up

6 months

Key result

Patients with unstable sleep before radio-frequency catheter ablation had a significantly lower risk of atrial fibrillation recurrence compared to the reference group (HR 0.32; 95% CI 0.12-0.83).

Authors

WKWoohyeun KimJNJin Oh NaRTRobert J. Thomas

Discussion

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Overview

Unstable pre-ablation sleep associated with lower AF recurrence; hypothesis-generating in this cohort and requires prospective validation before clinical use.

Study Design

Type

Cohort (n=225)

Structured PICO

Does radio-frequency catheter ablation improve sleep quality, and does baseline sleep quality predict AF recurrence in patients with paroxysmal atrial fibrillation?

P
Population
225 patients with paroxysmal atrial fibrillation who underwent radio-frequency catheter ablation and had a 24-hour Holter test within 6 months prior.
E
Exposure
Radio-frequency catheter ablation (RFCA)
C
Comparator
Pre-ablation baseline (for sleep quality changes) and second tertile of baseline sleep quality (for AF recurrence risk)
O
Outcome
Change in sleep quality assessed by cardiopulmonary coupling parameters (high-frequency, low-frequency, and very-low-frequency coupling) at 6 months after RFCA, and recurrence of atrial fibrillationsurrogate

Radio-frequency catheter ablation improves sleep quality in patients with paroxysmal atrial fibrillation, and worse baseline sleep quality paradoxically predicts a lower risk of AF recurrence.

Main Result

Hazard Ratio: 0.32 (95% CI 0.12–0.83)

Cite This Study

Kim et al. (2020) conducted a cohort in Paroxysmal atrial fibrillation (n=225). Unstable sleep before radio-frequency catheter ablation vs. Second tertile of sleep quality was evaluated on Atrial fibrillation recurrence (HR 0.32, 95% CI 0.12-0.83). Patients with unstable sleep before radio-frequency catheter ablation had a significantly lower risk of atrial fibrillation recurrence compared to the reference group (HR 0.32; 95% CI 0.12-0.83).

synapsesocial.com/papers/6aa93a89c2bf00bae84629e7https://doi.org/10.1161/jaha.120.017016
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