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Updated: Feb 18, 2026
Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Surgical techniques for left atrial appendage exclusion
Sacha P Salzberg1, Maximilian Y Emmert2, Etem Caliskan3,4
1HeartClinic, Hirslanden Hospital, Witellikerstraße 40, 8032, Zurich, Switzerland. sacha.salzberg@hirslanden.ch.
Insights
Surgical left atrial appendage (LAA) occlusion is evolving for stroke prevention in atrial fibrillation patients. Newer techniques and devices show promise for improving outcomes and offering alternatives to anticoagulation.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Devices
Background:
- Atrial fibrillation (AF) prevalence is rising with aging populations, increasing stroke risk.
- Thromboembolic stroke is a major cause of morbidity and mortality in AF patients.
- Effective stroke prevention strategies, including left atrial appendage (LAA) occlusion, are crucial.
Purpose of the Study:
- To review the evolution and current status of surgical LAA occlusion techniques.
- To assess the safety, feasibility, and outcomes of various LAA occlusion methods.
- To highlight advancements in surgical LAA treatment and their potential as alternatives to anticoagulation.
Main Methods:
- Review of existing literature on surgical LAA occlusion techniques.
- Analysis of data from nonrandomized case series, observational studies, and registries.
- Evaluation of outcomes associated with different surgical approaches and devices.
Main Results:
- Surgical LAA occlusion can be performed concomitantly or as a standalone minimally invasive procedure.
- Historically, surgical techniques have yielded variable and often poor outcomes.
- Recent advancements, including newer devices like the AtriClip, show improved results in literature.
- High failure rates with older techniques like simple suture ligation have been noted.
Conclusions:
- Surgical LAA occlusion is a developing field with potential for stroke risk reduction in AF.
- Improved techniques and devices are enhancing the safety and efficacy of surgical LAA occlusion.
- These advancements may offer viable alternatives for patients unable to tolerate oral anticoagulation.
Abstract:
The increasing prevalence of atrial fibrillation with the aging population and its associated major morbidity and mortality due to thromboembolic stroke have resulted in intensive research on stroke prevention or stroke risk reduction strategies. Several surgical techniques for left atrial appendage (LAA) occlusion have evolved over the past decades. Surgeons have been using different techniques leading to highly variable and, in particular, poor data on outcomes. LAA closure is performed either as a concomitant procedure during open-heart surgery or as a stand-alone surgical procedure as part of minimally invasive (mini-thoracotomy or thoracoscopy) arrhythmia surgery. Data on the safety and feasibility of surgical LAA occlusion are derived mainly from nonrandomized case series, observational and cohort studies, or registries with mostly inconclusive and conflicting results. Increased awareness of the high failure rates in attaining complete LAA occlusion, thus avoiding poor surgical techniques (e. g., simple suture ligation, endocardial suturing etc.), and the availability of newer devices (e. g., AtriClip device) have recently led to improved surgical results in the literature. If further validated in large-scale studies, these recent promising developments in the field of surgical LAA treatment seem to offer alternatives for patients ineligible for oral anticoagulation therapy with vitamin K antagonists or newer non-vitamin-K-dependent oral anticoagulants.
