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Clip-and-loop technique for left atrial appendage occlusion.

Yoshihiro Suematsu1, Takaharu Shimizu1

  • 1Department of Cardiovascular Surgery, 73582Tsukuba Memorial Hospital, Tsukuba, Ibaraki, Japan.

Asian Cardiovascular & Thoracic Annals
|August 29, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a novel clip-and-loop technique for left atrial appendage closure in atrial fibrillation patients, effectively preventing stroke recurrence and allowing anticoagulation discontinuation.

Keywords:
Atrial fibrillationheart atriastrokesurgical instrumentsthrombosis

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Area of Science:

  • Cardiovascular Surgery
  • Neurology
  • Interventional Cardiology

Background:

  • The left atrial appendage (LAA) is a primary source of embolic strokes in patients with atrial fibrillation.
  • Surgical management of the LAA is crucial for stroke prevention in this population.

Purpose of the Study:

  • To evaluate the safety and efficacy of a novel clip-and-loop technique for LAA occlusion using an AtriClip.
  • To assess the impact of this procedure on stroke recurrence and the need for anticoagulation in post-stroke patients with atrial fibrillation.

Main Methods:

  • A clip-and-loop technique utilizing an AtriClip was performed via left minithoracotomy in 43 patients.
  • Patients had a history of stroke and atrial fibrillation.
  • Follow-up included assessment for thrombus formation at the clip edge and LAA patency at 3 months, with longer-term stroke recurrence monitoring.

Main Results:

  • No thrombus formation at the clip edge or LAA communication was observed at 3 months post-surgery.
  • Anticoagulation therapy could be safely discontinued in all treated patients.
  • Over a mean follow-up of 23 months, no stroke recurrence was reported.

Conclusions:

  • The AtriClip clip-and-loop technique is a safe and effective method for LAA occlusion in post-stroke patients with atrial fibrillation.
  • This approach successfully prevents LAA-related embolic events and facilitates the cessation of anticoagulation.
  • Minimally invasive LAA closure offers a promising alternative for stroke risk reduction in this patient cohort.