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. 2021 Jul 2;37(4):975-989.
doi: 10.1002/joa3.12590. eCollection 2021 Aug.

The superiority of high-power short-duration radiofrequency catheter ablation strategy for atrial fibrillation treatment: A systematic review and meta-analysis study

Affiliations

The superiority of high-power short-duration radiofrequency catheter ablation strategy for atrial fibrillation treatment: A systematic review and meta-analysis study

Yoga Waranugraha et al. J Arrhythm. .

Abstract

Background: Radiofrequency catheter ablation (RFCA) using the high-power short duration (HPSD) results in better ablation lesion formation in the swine model. This systematic review and meta-analysis purposed to investigate the safety and efficacy profile between HPSD and low-power long-duration (LPLD) ablation strategies to treat atrial fibrillation (AF) patients.

Methods: We completed the literature review after identifying the relevant articles comparing HPSD and LPLD ablation methods for AF recorded in ClinicalTrials.com, CENTRAL, PubMed, and ScienceDirect until February 2021. The overall effects were calculated using pooled risk ratio (RR) and mean difference (MD) for categorical and continuous data, respectively. We also estimated the 95% confidence interval (CI).

Results: The HPSD strategy took shorter procedure time (MD = -33.75 min; 95% CI = -44.54 to -22.97; P < .01), fluoroscopy time (MD = -5.73 min; 95% CI = -8.77 to -2.70; P < .001), and ablation time (MD = -17.71; 95% CI = -21.02 to -14.41) than LPLD strategy. The HPSD RFCA was correlated with lower risk of esophageal thermal injury (RR = 0.75; 95% CI = 0.59 to 0.94; P = .02). The HPSD method resulted in higher first-pass pulmonary vein isolation (PVI) (RR = 1.36; 95% CI = 1.13 to 1.64; P < .01), lower PV reconnection (RR = 0.47; 95% CI = 0.34 to 0.64; P < .01), and lower recurrent AF (RR = 0.72; 95% CI = 0.54 to 0.96; P = .02) than LPLD strategy.

Conclusion: HPSD RFCA was superior to the conventional LPLD RFCA in terms of safety and efficacy in treating AF patients.

Keywords: atrial fibrillation; catheter ablation; high‐power short duration; low‐power long‐duration; meta‐analysis.

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Conflict of interest statement

All authors declare no conflict of interest regarding the publication of this article.

Figures

FIGURE 1
FIGURE 1
Flow diagram showing study selection process
FIGURE 2
FIGURE 2
Forest plot of procedural parameters. (A) Procedure time; (B) Fluoroscopy time; and (C) Ablation time. CI, confidence interval; HPSD, high‐power short‐duration; IV, inverse variance; LPLD, low‐power long‐duration; SD, standard difference
FIGURE 3
FIGURE 3
Forest plot of the safety outcomes. (A) Esophageal thermal injury; (B) Pericardial effusion or cardiac tamponade; and (C) Phrenic nerve paralysis. CI, confidence interval; HPSD, high‐power short‐duration; LPLD, low‐power long‐duration; M‐H, Mantel‐Haenszel
FIGURE 4
FIGURE 4
Forest plot of the short‐term efficacy outcomes. (A) First‐pass pulmonary vein isolation and (B) Pulmonary vein reconnection. CI, confidence interval; HPSD, high‐power short‐duration; LPLD, low‐power long‐duration; M‐H, Mantel‐Haenszel
FIGURE 5
FIGURE 5
Forest plot of the long‐term efficacy outcomes. (A) Recurrent atrial fibrillation and (B) Recurrent atrial flutter or atrial tachycardia. CI, confidence interval; HPSD, high‐power short‐duration; LPLD, low‐power long‐duration; M‐H, Mantel‐Haenszel

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