Post-operatively, the body undergoes various phases of the tissue response continuum resulting in the fibrous encapsulation of the implanted annuloplasty ring.Local and systemic factors of the patient may play a role in the wound healing and inflammatory responses to biomaterials and implants.The subject device was not returned for evaluation as it remains implanted.The device history record (dhr) review was completed and this device passed all manufacturing and sterilization inspections prior to release for distribution.In this case, a definitive root cause for early pannus could not be conclusively determined.However, there are no indications of a manufacturing defect.Edwards will continue to review and monitor all reported events.Trends are monitored on a monthly basis and if action is required, appropriate investigation will be performed.
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