The results of the investigation are inconclusive since the device was not returned for analysis.Our investigation was limited to the review of the device history record, which showed that each manufacturing and inspection operation was performed and indicated complete in accordance with sjm specifications and procedures.Based on the information received, the cause of the reported incident could not be conclusively determined.
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On (b)(6) 2014, a 29mm masters series mechanical heart valve was implanted and the post-op echo showed normal valve function.In (b)(6) 2015, the patient presented to the emergency room with a two-day history of dyspnea.On (b)(6) 2015, his inr measured 1.8.On (b)(6) 2015, his inr measured 2.38 and a follow-up echo revealed an impeded mitral valve with a peak gradient of 22mmhg and a mean gradient of 10mmhg in the presence of severe lv dysfunction.The patient expired later that day in the icu due to severe lv dysfunction.
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