Percutaneous Closure of the Left Atrial Appendage : A Major Step Forward⁎

Atrial fibrillation is a common cardiac arrhythmia with a higher prevalence in the elderly population. It is more frequent in men than in women at all ages ([1][1]). It might cause a reduced cardiac output and formation of atrial thrombi, especially in the left atrial appendage ([2][2]). Atrial