It was reported that on (b)(6) 2015, a 19mm trifecta valve was implanted in the patient's aortic position.On (b)(6) 2021, the patient presented to the hospital due to respiratory distress during exertion and was followed up for suspicion of takotsubo cardiomyopathy.In late (b)(6) 2021, severe aortic regurgitation (ar) was confirmed, which led to reoperation.It was reported that there was progress of aortic stenosis (as) in the follow-up last year; the peak velocity was 3.02m/s, but the patient was just being followed up.On (b)(6) 2021, echocardiography was performed, which showed the peak velocity was 4.38m/s; there were findings of severe as, but the findings of ar were stronger.On (b)(6) 2021, the trifecta valve was explanted.Upon explant, two leaflets had tears and the stent posts of the lcc/rcc and the rcc/ncc were torn.According to the surgeon, there was some calcification on the leaflets, but no pannus were observed.A non-abbott valve was successfully implanted.The patient was reported to be in stable condition.
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Additional information sections: d9, h3, h6, h10.Explant was reported due to regurgitation and stenosis.Leaflets 2 and 3 were torn.Leaflet 3 had fibrous thickening and contained folds and calcifications.No acute inflammation was found.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed and the product met all specifications.The cause of the tears could not be conclusively determined; however, one of the tears was associated with calcifications.
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