Related Experiment Video
Updated: Aug 7, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Complex Left Atrial Appendage Occlusion Using the Novel Amplatzer Steerable Delivery Sheath
Pablo J Antúnez Muiños1, Sergio López Tejero, Javier Rodríguez Collado
1Hospital Universitario de Salamanca, Paseo de San Vicente 182, PC 37007. Spain. pjantunez@gmail.com.
Insights
Left atrial appendage occlusion is an alternative to blood thinners for atrial fibrillation. The Amplatzer steerable sheath aids in challenging cases, improving success rates and reducing complications.
Area of Science:
- Cardiology
- Medical Devices
Background:
- Left atrial appendage (LAA) occlusion is an alternative to oral anticoagulation for non-valvular atrial fibrillation.
- Challenging LAA anatomies can lead to suboptimal occlusion outcomes.
Purpose of the Study:
- To evaluate the utility of the Amplatzer steerable sheath for LAA occlusion.
- To assess its effectiveness in cases with complex LAA anatomies.
Main Methods:
- Utilized the Amplatzer steerable sheath for LAA occlusion procedures.
- Focused on cases presenting challenging LAA anatomies.
Main Results:
- The Amplatzer steerable sheath demonstrated utility in LAA occlusion.
- Its use was particularly beneficial in patients with challenging LAA anatomies.
- Minor adjustments in the distal end angle were noted to enhance success and minimize complications.
Conclusions:
- The Amplatzer steerable sheath is a valuable tool for LAA occlusion.
- It is especially useful for managing complex LAA anatomies.
- Optimizing sheath manipulation can improve procedural outcomes.
Abstract:
Left atrial appendage (LAA) occlusion has emerged as an al- ternative to oral anticoagulation in non-valvular atrial fibril- lation. The success rate is high, but we are still facing some challenging LAA anatomies that may increase the risk of sub- optimal results. These images show that the Amplatzer steer- able sheath is useful for LAA occlusion, especially in cases with challenging anatomies. Small variations of the distal end angle can improve the success rate and reduce complications.

