It was reported that on (b)(6) 2019 an (b)(6) year old patient underwent an on-pump mitral valve procedure, tricuspid repair, and pulmonary vein isolation.The surgeon noted that there was a good amount of fat on the pulmonary vein (pv).The surgeon was using an oll2 for the ablation and after the first ablation, there seemed to be a tear on the front side of the left inferior pv.After the second ablation of the same line, a little bleeding occurred from the torn tissue.During the third ablation near the left atrium, the surgeon noted bleeding and at this point, used a pledgetted suture to stop bleeding from epicardial side.When the mitral valve repair was completed, he also sutured bleeding site from the endocardial side.The surgeon does not attribute the bleeding to the oll2 device but to vulnerable vein tissue relating to the patient undergoing hemodialysis.Post-procedure patient remained stable.This is was a procedure related complication.There was no reported device malfunction.
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