Hemoglobin Trajectories and Blood Transfusions Associated With Percutaneous Left Atrial Appendage Occlusion

Percutaneous left atrial appendage occlusion (LAAO) is an invasive procedure, aimed to reduce thromboembolic risk in atrial fibrillation patients unsuitable for long-term anticoagulation, with a potential risk of complications. However, the incidence of procedure-related bleeding events and optimal