On (b)(6) 2022, removal of mitral valve nodule, redo aortic valve replacement, transesophageal echocardiogram central line insertion with swan placed after.On (b)(6) 2022, swan cath removed.Initial slight resistance, pt repositioned then catheter removed smoothly.Pt's bp immediately began to drop.Chest tube noted to have largely increased sanguinous output.Pt awake and talking throughout event.Plans made to go emergently to operating room.There was approximately 3 x 2 cm defect in anterior wall of the svc, just superior to the cavoatrial junction.The injury encompassed about 40% of the circumference of the svc.The svc had been clamped for a few minutes, and there was evidence of venous congestion in the innominate vein.Patch repair of large superior vena cava laceration.The pt appears to have tolerated the procedure satisfactorily.Transfer back to icu.Suspected that the swan had been looped by a suture at the time of operation.Either in the svc or right atrium, which could leave a small defect in the wall.
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