On (b)(6) 2022 a patient with a history of rheumatic disease, fragile cardiac tissue and a thin cardiac wall underwent an on-pump mv-replacement, maze procedure, and left atrial appendage exclusion.The procedure was uneventful but during decannulation multiple bleeds were detected.The patient went back on bypass to fix the bleeds, and more bleeding occurred during manipulation on the heart.After extensive repair, the patient was moved to icu but drainage showed a significant amount of blood.Patient went back to the or for re-exploration, where they detected bleeding from the left superior pulmonary vein (lspv) at the ablation line.The bleeding was repaired, but during recovery the patient expired.This is a procedural event and there was no reported device malfunction.
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