Additional manufacturer narrative: ring dehiscence which occurs in the late post-operative period is typically a result of successive dilatation of cardiac structures, which can result from progression of disease or from patient conditions/factors.In this case, the explanted annuloplasty ring was not returned to edwards for analysis because it was discarded at the hospital.At this time, edwards lifesciences is unable to conclusively determine the root cause for this event.Trends are monitored on a monthly basis and if action is required, appropriate investigation will be performed.
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