Title: assessment of mitral annuloplasty ring by cardiac computed tomography: correlation with echocardiographic parameters and comparison between two different ring types citation: the journal of thoracic and cardiovascular surgery 2015 volume 150(5):1082-90 (doi 10.1016/j.Jtcvs.2015.07.019) authors: young joo suh, md, byung-chul chang, md, phd, dong jin im, md, yun jung kim, md, yoo jin hong, md, geu-ru hong, md, phd, and young jin kim, md, phd month and year of publish used for event date.No unique device identifier (serial/lot) numbers were provided; without this information, it cannot be determined whether this event has been previously reported.
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Medtronic received information via literature review regarding the assessment of mitral annuloplasty rings by cardiac computed tomography.All data were collected from a single center between january 1995 and august 2005.The retrospective study population included 45 patients (predominantly male; mean age 57.2 years), 18 of which were implanted with medtronic duran mitral annuloplasty ring (serial numbers not provided).Among all patients with this mitral annuloplasty ring, adverse events included: 1 incident of severe paravalvular leak (pvl), 18 incidents of pannus, 9 incidents of stenosis and subsequent increased gradient measurements (> 5 mm hg).Three re-operations were reported one due to stenosis, and two re-operations due to detachment of the ring.No additional adverse patient effects were reported.
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