伞形滤器回收钩包埋和支柱断裂成功回收1例并导丝成襻技术要点总结

Successful retrieval of the umbrella filter with its hook being embeded and its strut being fractured:report of one case with discussion on the key points of guidewire looping technique

1临床资料患者女,56岁。3个月前因右膝关节术后右下肢深静脉血栓形成,为预防肺栓塞行下腔静脉滤器(IVCF)置入术(伞形),手术顺利,术后恢复良好。1周前于外院2次行下腔静脉滤器取出术,均未获成功,最近一次术中造影发现滤器一支柱变形,随呼吸运动上下摆动(见图1(1))。