In (b)(6) 2014, the patient was diagnosed with infective endocarditis of the mitral valve thought to be caused by septic arthritis of the right knee.Antibiotics were prescribed.On (b)(6) 2014, this 33 mm sjm masters series mechanical heart valve was implanted during a mitral valve replacement.On (b)(6) 2015, the patient was diagnosed with staph aureus and infective prosthetic valve endocarditis.Mitral annular abcess with mitral valve dehiscence and severe mitral valve regurgitation were noted on transesophageal echocardiography.On (b)(6) 2015, the valve was explanted and replaced with a 27 mm sjm epic valve.Post procedure, the patient experienced acute pulmonary edema, renal failure, and underwent peritonial dialysis.On (b)(6) 2015, the patient expired due to septic shock and multi organ failure.
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(b)(4).The results of this investigation concluded there was infectious endocarditis of the prosthetic valve, and the mechanical leaflets open and close completely.Special stains of the sewing cuff were positive for gram positive cocci and vegetations with acute inflammation.There was no evidence found to suggest the cause of the infectious endocarditis, microorganisms, and vegetations were due to an intrinsic defect in the valve, as supported by review of the valve's device history record and the analysis performed.The cause of the reported event remains unknown.
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