It was reported that the patient underwent an initial left hemiarthroplasty.Approximately 2 months post implantation, the patient was revised due to pain, difficulty ambulating, and loosening.During the revision, periprosthetic fracture to the tibia was noted.All components were replaced with conversion to total knee replacement without complications.
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(b)(4).No product was returned or pictures provided; visual and dimensional evaluations could not be performed.The device history record was reviewed and no discrepancies relevant to the reported event were found.Medical records were provided and reviewed by a health care professional.Review of the available records identified the following: continues with pain, ambulating with cane; x-ray: loosening of tibia component; tibial metaphysis fracture 1 cm below the bottom portion of the component.A definitive root cause cannot be determined.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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