it seems to us that approaching the lesion through the cleft that exists between the aorta and the superior vena cava fulfills the two requirements of the surgical procedure : a wide anastomosis between the common pulmonary vein and the left atrium can be created on the heart in situ and therefore without any risk of anatomical distorsion , and the small size of atrial incisions reduces the risk of post-operative arrhythmias .
C0225860
left atrium
C0018787
heart