Related Experiment Video

Updated: Feb 14, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

84.6K

Left Atrial Appendage Exclusion Using the AtriClip Device: A Case Series

Sarah Page1, Jane Hallam1, Neelprada Pradhan1

  • 1Department of Cardiothoracic Surgery, St Vincent's Hospital, Melbourne, Vic, Australia.

Heart, Lung & Circulation
|February 7, 2018
PubMed

Insights

Left atrial appendage (LAA) exclusion using the AtriClip device during cardiac surgery is safe and effective. This procedure achieved a 100% success rate with no device-related complications in a recent study.

Area of Science:

  • Cardiovascular Surgery
  • Medical Devices
  • Electrophysiology

Background:

  • Atrial fibrillation (AF) impacts 1.5-2% of the population, significantly increasing stroke risk.
  • The left atrial appendage (LAA) is a primary source of embolic strokes in non-valvular AF patients.
  • Effective LAA management is crucial for stroke prevention in AF patients.

Purpose of the Study:

  • To evaluate the safety and efficacy of LAA exclusion using the AtriClip device.
  • To assess the feasibility of concurrent AtriClip device insertion during open cardiac surgery.
  • To determine the long-term stability and complications associated with LAA exclusion.

Main Methods:

  • Retrospective review of 20 patients undergoing open cardiac surgery with concurrent AtriClip device insertion (July 2013 - February 2015).
  • Analysis of clinical notes and echocardiographic findings to assess device placement and patient outcomes.
  • Indications for LAA exclusion included atrial arrhythmia, left ventricular dilatation, or transient ischemic attacks.

Main Results:

  • Successful AtriClip device placement in all 20 participants (100% success rate).
  • No device-related adverse events or perioperative mortality were observed.
  • Three late deaths occurred due to unrelated comorbidities; no late device-related complications were identified on follow-up.

Conclusions:

  • LAA exclusion with the AtriClip device during open cardiac surgery is a safe and effective procedure.
  • The AtriClip device demonstrates a 100% success rate and stable outcomes over time.
  • This approach offers a reliable method for LAA exclusion, potentially reducing stroke risk in AF patients.
Abstract

Keywords:
Atrial fibrillationLeft atrial appendage

More Related Videos

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

34.2K
Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation07:28

Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation

Published on: October 11, 2024

793

Related Concept Videos

The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
59.6K
Surface Appendages of Archaea01:23

Surface Appendages of Archaea

Archaeal surface appendages are highly specialized structures essential for environmental adaptation, encompassing roles in adhesion, biofilm formation, and motility. Among these appendages, pili and archaella stand out for their distinct morphologies and functionalities, enabling archaea to thrive in diverse and often extreme environments.Pili: Adhesion and Biofilm FormationPili are filamentous structures assembled from pilin protein subunits, primarily contributing to adhesion and biofilm...
696
Resistors In Series01:10

Resistors In Series

A resistor is an ohmic device that limits the flow of charge in a circuit. Most circuits have more than one resistor. If several resistors are connected together and connected to a battery, the current supplied by the battery depends on the equivalent resistance of the circuit. The equivalent resistance of a combination of resistors depends on both their individual values and how they are connected. The simplest combination of resistors is the series combination. 
In a series circuit, the...
6.8K
Series Resonance01:17

Series Resonance

The RLC circuit impedance is defined as the ratio of the supply voltage to the circuit current. Resonance in such a circuit occurs when the imaginary part of this impedance equals zero. This specific condition means that the inductive reactance is exactly equal to the capacitive reactance. The frequency at which this happens is known as the resonant frequency. Mathematically, the resonant frequency is inversely proportional to the square root of the product of the inductance (L) and capacitance...
887
Size-Exclusion Chromatography01:08

Size-Exclusion Chromatography

In size-exclusion chromatography (SEC), also known as molecular-exclusion or gel-permeation chromatography, molecules are separated based on their sizes. This technique is important for separating large molecules such as polymers and biomolecules. The two classes of micron-sized stationary phases encountered in SEC are silica particles and cross-linked polymer resin beads. Both materials are porous, but their pore sizes vary significantly.
Silica particles offer advantages such as rigidity,...
2.1K
Series and Parallel Capacitors01:14

Series and Parallel Capacitors

Capacitors, fundamental components in electronic circuits, can be connected in series and/or parallel configurations. Each configuration has different impacts on the overall behavior of the circuit.
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
9.8K