A 21mm trifecta tissue valve was implanted on (b)(6) 2010 to treat the patient's aortic insufficiency.The patient's native aortic valve was severely calcified and excised prior to implant.One week post-implant, a transesophageal echo (tee) showed a peak/mean gradient of 18mm/8mm hg respectively without aortic regurgitation.In 2014, a routine echocardiography confirmed a normal, functioning aortic valve.In (b)(6) 2015, the patient presented with acute pulmonary edema due to severe aortic insufficiency caused by a reported tear in the cusp adjacent to the right coronary.On (b)(6) 2015, a tee was performed due to the potential for endocarditis; the tee revealed a possible tear or prolapse of the anterior cusp.Cultures performed (b)(6) 2015 were negative for bacteria.The valve was explanted (b)(6) and at the time of explant, the annulus was noted to be calcified.A 23mm non-sjm valve was implanted.
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The results of the investigation concluded circumferential fibrous pannus ingrowth on the inflow surface narrowing the inflow diameter to 14-15 mm, and a tear in cusps 1 and 2.There was no evidence of acute inflammation and special stains were negative for organisms.No evidence was found to suggest the cause of the pannus and tearing was 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 resulting in explant remains unknown.
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