Occluding the left atrial appendage: anatomical considerations.

  title={Occluding the left atrial appendage: anatomical considerations.},
  author={P Su and Karen P. McCarthy and Siew Yen Ho},
  volume={94 9},
BACKGROUND Occlusion of the left atrial appendage (LAA) is thought to reduce the risk of thromboembolic events in patients with atrial fibrillation. OBJECTIVE To examine the LAA and its relationship to neighbouring structures that may be put at risk when intervening to occlude its os. METHODS 31 heart specimens were examined grossly. Four of the LAAs were processed for histological examination and endocasts were made from 11 appendages. The diameters of the LAA os and proximity to the left… CONTINUE READING