It was reported that during lead revision surgery on (b)(6) 2021, physician unlocked anchor to reposition the lead.Upon removal, anchor snapped and distal end remained in tissue.Physician attempted to remove broken piece of anchor which appeared to have retracted back into tissue and was extremely difficult to locate.Even using fluoroscopy, broken piece of anchor was unable to be removed.Physician was concerned about extra time taken to attempt to remove anchor and tissue damage that would occur in further attempts at removal.Therefore, it remains insitu currently.
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