The Official Journal of EuroPCR and the European Association of Percutaneous Coronary Interventions (EAPCI)

Interventions for hypertension and stroke

Procedural and short-term outcomes of occluding large left atrial appendages with the LAmbre device

EuroIntervention 2021;17:90-92. DOI: 10.4244/EIJ-D-19-00821

1. Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong SAR, China; 2. Department of Cardiology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China; 3. Department of Cardiology, Ningbo First Hospital, Ningbo, China; 4. Hong Kong Asia Heart Center, Canossa Hospital, Hong Kong SAR, Hong Kong, China
Introduction

The commonly used left atrial appendage (LAA) occlusion (LAAO) devices, the WATCHMAN™ (Boston Scientific, Marlborough, MA, USA) and the AMPLATZER™ Amulet™ (Abbott Vascular, Santa Clara, CA, USA), both rely on oversizing for stabilisation. Therefore, occluding large LAA (ostium ≥31 mm for the WATCHMAN or landing zone ≥31 mm for the AMPLATZER Amulet) is not possible. The LAmbre™ device (Lifetech Scientific [Shenzhen] Co., Ltd. Shenzhen, China) has an additional stabilisation mechanism which catches the LAA trabeculations using its eight claws1. This potentially allows LAmbre to occlude a large LAA with an ostium up to 40 mm, ...

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