Coronary Essentials

Hands-on training for essential interventional skills

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Left Atrial Appendage Occlusion

Hands-on training for left atrial appendage closure (LAAO)

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Mentice Left Atrial Appendage Occlusion is designed for electrophysiologists, interventional cardiologists and cardiac surgeons who wish to improve their own or their team’s understanding of the fundamental steps and critical points for successful LAA occlusion. The module allows for safe and effective training of either individuals or multi-disciplinary teams.

This module assumes familiarity with echocardiography, expert knowledge of the left atrial (LA) anatomy, and extensive experience with transseptal puncture techniques, endovascular intervention and cardiac catheterization techniques. TEE is available during the whole procedure – from examination of the LAA before intervention, to safe crossing of the septum, assessment of the dimensions of the LAA and finally for secure deployment of the cardiac plug and assessment of device configuration after deployment. Training on variations of anatomies and adverse events is carried out in a safe simulated environment, which prepares the operator for real procedures in the operating room. Studies have indicated that complication rates are reduced with increased operator experience.

LAAO TEE Deployment 05111-01 04.20


Features & Benefits
  • Key Benefits

    • Discussion of patient selection and pre-op planning
    • Understanding the fundamentals of echocardiography
    • Training of LAA occlusion in a stepwise approach
    • Practicing careful and controlled device manipulation in the LA
    • Preparing for and avoiding complications in real patients
  • Features & Functionalities

    • Includes a set of LAA anatomies
    • Echocardiography (TEE) is available for all steps in the procedure
    • Assessment of LAA dimensions using both angiography and echocardiography for correct device sizing
    • Adverse events include air embolism, cardiac tamponade, aortic puncture and perforation of the LA
  • Training Objectives

    • Patient selection and contraindications
    • Choosing correct device size based on anatomy and correct implantation of the device in the LAA (understanding the signs of successful deployment)
    • Correlating echocardiography and angiography
    • Echocardiography confirmation of correct placement
    • Carefulness in navigating the left atrium and appendage
    • Prevention and management of cardiac tamponade
    • Avoiding deep LAA placement and cul-de-sac formation
  • Case Layout

    3 interactive cases


Dr. Kwan Lee

University Chief of Clinical Cardiology

University of Arizona College of Medicine



The ability to remotely introduce complications in real-time while trainees are performing a procedure on the Mentice simulator tremendously enhances the learning experience and brings simulation even closer to reality.



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