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Background <p>In some arrhythmia centers, intraprocedural guidance using fluoroscopy alone remains the mainstream approach for left atrial appendage closure (LAAC). This study aims to synthesize recent literature and assess the feasibility of fluoroscopy‑guided LAAC performed without echocardiography.</p> Methods <p>A computer-based search was conducted in PubMed, Embase, and the Cochrane Library for studies comparing fluoroscopy alone versus fluoroscopy combined with echocardiography for LAAC, from the inception of each database to September 13, 2025. Summary analysis was conducted using Review Manager 5.4.</p> Results <p>This meta-analysis included 7 studies with 2,472 patients, 1,358 in the Fluoroscopy group and 1,114 in the combined fluoroscopy‑echocardiography group (Standard group). Both groups achieved high immediate procedural success rates, with a higher rate in the Standard group (RR 0.98, 95% CI 0.96–1.00, <i>P</i> = 0.030), but the difference was minimal. Fluoroscopy-guided LAAC increased fluoroscopy time (MD 1.89, 95% CI 1.61–2.17, <i>P</i> &lt; 0.001) but shortened procedure time (MD -12.92, 95% CI -18.96 to -6.89, <i>P</i> &lt; 0.001). Overall perioperative complications showed no significant differences between groups (RR 0.93, 95% CI 0.51–1.69, <i>P</i> = 0.810). In follow-up, the incidence of peri-device leak (PDL), device-related thrombosis (DRT), and stroke/TIA or death were similar between groups.</p> Conclusion <p>Both intraprocedural guidance strategies for LAAC achieve high immediate procedural success rates. Although the Standard group showed a higher success rate, the advantage was minimal. The two strategies are comparable in terms of perioperative and follow-up complications. Overall, current evidence supports that fluoroscopy-guided LAAC alone is feasible by experienced operators in settings with limited resources.</p>

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Intraprocedural guidance using fluoroscopy alone for left atrial appendage closure: a systematic review and meta‑analysis

  • 期刊论文

  • 发表日期：

    2026年6月2日

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  • Jiaqi Li,
  • Shaobo Fan,
  • Fan Zhang,
  • Yingchuan Yan,
  • Jie Zhang,
  • Enyuan Zhang,
  • Jingchao Lu,
  • Dongyan Wu,
  • Fengmin Lu,
  • Jing Xu,
  • Wei Ma

摘要

Background

In some arrhythmia centers, intraprocedural guidance using fluoroscopy alone remains the mainstream approach for left atrial appendage closure (LAAC). This study aims to synthesize recent literature and assess the feasibility of fluoroscopy‑guided LAAC performed without echocardiography.

Methods

A computer-based search was conducted in PubMed, Embase, and the Cochrane Library for studies comparing fluoroscopy alone versus fluoroscopy combined with echocardiography for LAAC, from the inception of each database to September 13, 2025. Summary analysis was conducted using Review Manager 5.4.

Results

This meta-analysis included 7 studies with 2,472 patients, 1,358 in the Fluoroscopy group and 1,114 in the combined fluoroscopy‑echocardiography group (Standard group). Both groups achieved high immediate procedural success rates, with a higher rate in the Standard group (RR 0.98, 95% CI 0.96–1.00, P = 0.030), but the difference was minimal. Fluoroscopy-guided LAAC increased fluoroscopy time (MD 1.89, 95% CI 1.61–2.17, P < 0.001) but shortened procedure time (MD -12.92, 95% CI -18.96 to -6.89, P < 0.001). Overall perioperative complications showed no significant differences between groups (RR 0.93, 95% CI 0.51–1.69, P = 0.810). In follow-up, the incidence of peri-device leak (PDL), device-related thrombosis (DRT), and stroke/TIA or death were similar between groups.

Conclusion

Both intraprocedural guidance strategies for LAAC achieve high immediate procedural success rates. Although the Standard group showed a higher success rate, the advantage was minimal. The two strategies are comparable in terms of perioperative and follow-up complications. Overall, current evidence supports that fluoroscopy-guided LAAC alone is feasible by experienced operators in settings with limited resources.