Description of event according to initial reporter: the filter was placed 3 to 4 months ago.They were not able to retrieve filter with a clover snare with standard procedure.They needed to go to a 12 fr angled sheath.They then looped the glide wire through the body of the filter and externalized the glide wire to right side off the wall of the filter.They advanced the 12 fr sheath over the hook of the filter.He applied traction to the externalized glide wire and advanced the 12 fr sheath over the ivc filter completely.He then removed the filter from the ivc.Upon examination of the filter on the table, one secondary leg was detached from the filter.Upon examination, they were missing one of the 8 secondary legs.Upon examination, an x-ray found that the secondary leg looked like it was in the right ventricle.Then, after that , they tried using a 6 fr multipurpose catheter and put two different kinds of snares (one gooseneck, one multi-petal) in but was unsuccessful trying to snare the secondary leg.The patient was discharged.They resumed his anticoagulant.It has not been confirmed if there will be another attempt to retrieve the leg.Additional information received 11aug2022: 2 secondary legs broke off when retrieving, one came out with the sheath other was left in patient, was unsuccessful in trying to snare this 2nd secondary leg.Patient was doing well and discharged same day as procedure with anticoagulants.Patient outcome: the complainant did not report any adverse effects to the patient due to this occurrence.
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