Medtronic received information via literature review that a (b)(6) girl with a past medical history of ¿situs inversus and dextrocardia, asplenia, unbalanced complete atrioventricular septal defect with a dominant left ventricle and transposition of the great arteries" was implanted with a medtronic surgical bioprosthetic mitral valve (27-mm, serial number not provided).Six months post-implant, worsening heart failure was noted due to severe regurgitation and mild stenosis.In an intervention a medtronic transcatheter bioprosthetic valve was successfully implanted valve-in-valve.No additional adverse patient effects were reported.
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