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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Left Atrial Appendage Closure: An Alternative to Anticoagulation for Stroke Prevention in Patients with Kidney

Srikanth Vallurupalli1,2, Tanya Sharma1, Subhi Al'Aref1

  • 1University of Arkansas for Medical Sciences, Little Rock, Arkansas.

Kidney360
|April 4, 2022
PubMed

Insights

For patients with nonvalvular atrial fibrillation and end-stage kidney disease (ESKD), anticoagulation increases bleeding risk. Percutaneous left atrial appendage occlusion offers a promising alternative to balance stroke and bleeding risks.

Area of Science:

  • Cardiology
  • Nephrology
  • Medical Devices

Background:

  • Nonvalvular atrial fibrillation (NVAF) increases stroke risk.
  • Patients with end-stage kidney disease (ESKD) face a higher risk of both thromboembolic events and bleeding.
  • Anticoagulation is standard for NVAF stroke risk reduction but carries significant bleeding risks in ESKD patients.

Purpose of the Study:

  • To evaluate percutaneous left atrial appendage occlusion (LAAO) as an alternative to anticoagulation in ESKD patients with NVAF.
  • To address the ongoing debate regarding the risks and benefits of anticoagulation in this specific high-risk population.

Main Methods:

  • Review of existing literature and clinical guidelines on anticoagulation and LAAO in ESKD.
  • Analysis of risk-benefit profiles for anticoagulation versus LAAO in NVAF patients with ESKD.
  • Proposal of LAAO as a third therapeutic option.

Main Results:

  • Anticoagulation in ESKD patients with NVAF is associated with a heightened risk of bleeding complications.
  • There is no consensus on the optimal antithrombotic strategy for NVAF in ESKD.
  • LAAO presents a potential method to mitigate systemic anticoagulation-related bleeding risks.

Conclusions:

  • Percutaneous LAAO is a viable alternative for stroke risk reduction in ESKD patients with NVAF.
  • LAAO may offer a better balance between thrombotic and bleeding risks compared to anticoagulation.
  • Further research is warranted to establish LAAO's role in this population.

Keywords:
anticoagulantsatrial fibrillationblood coagulationchronic kidney diseaseleft atrial appendage occlusionstroke

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