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Related Concept Videos

Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

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Related Experiment Video

Updated: Jul 12, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
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Robotic Left Atrial Appendage Occlusion: Insights From Real-World Practice.

Massimo Baudo1, Yoshiyuki Yamashita1,2, Amanda Yakobitis2

  • 1Department of Cardiac Surgery Research, Lankenau Institute for Medical Research, Main Line Health, Wynnewood, Pennsylvania, USA.

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS
|February 26, 2026
PubMed
Summary

Robotic left atrial appendage occlusion (LAAO) offers promising stroke prevention in high-risk patients. Initial cases show excellent device closure and favorable safety outcomes, warranting further investigation.

Keywords:
CABGatrial fibrillationleft atrial appendage occlusionrobotic surgery

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Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Procedures
  • Medical Device Technology

Background:

  • Atrial fibrillation increases stroke risk, often necessitating anticoagulation.
  • Left atrial appendage occlusion (LAAO) is an alternative stroke prevention strategy.
  • Robotic assistance may enhance procedural precision and safety.

Purpose of the Study:

  • To report initial outcomes of robotic-assisted LAAO device deployment.
  • To evaluate the safety and efficacy of this novel approach.

Main Methods:

  • Prospective enrollment of consecutive patients undergoing robotic LAAO from June 2021 to December 2024.
  • Inclusion of patients undergoing isolated LAAO or combined with robotic-assisted coronary artery bypass grafting (CABG).
  • Use of an epicardial clip for LAAO device deployment.

Main Results:

  • 28 patients included; 22 had concomitant CABG.
  • Excellent LA appendage exclusion confirmed in 96.4% via transesophageal echocardiogram.
  • No perioperative strokes, myocardial infarctions, bleeding reoperations, or deaths.
  • At median 1.4 years follow-up, 1 non-cardiac mortality and 1 stroke occurred.
  • 32.1% of patients discontinued oral anticoagulation (OAC).

Conclusions:

  • Robotic LAAO demonstrates optimal stroke prevention in a high-risk cohort.
  • The procedure shows a favorable safety profile with encouraging early results.
  • Longer follow-up is necessary to validate these findings.