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Bidirectional Pull-Back Technique for Retrieval of Strut-Embedded Cylinder-Shaped Filters in Inferior Vena Cava.

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机构: [1]Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China. [2]Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P.R. China
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BACKGROUND IVC filters have been widely accepted as an effective method to prevent pulmonary embolism (PE) in patients with deep venous thrombosis (DVT). However, the placement of IVC filters is associated with significant complications and filter retrieval can be challenging when the filter struts are embedded into the caval wall. MATERIAL AND METHODS Over 26 months, we reviewed the safety and efficacy of the bidirectional pull-back technique for removing strut-embedded IVC filters in 15 consecutive patients. Retrieval procedural data such as in-dwell time, retrieval time, and fluoroscopy time were recorded. Clinical outcomes and procedure-related complications were evaluated by venography or enhanced computed tomography. Histologic tissue was analyzed to reveal the pathologic effects of chronic filter implantation. All patients underwent routine clinical follow-up at a mean time of 12 months (range, 8-14 months). RESULTS Technical success of filter retrieval was achieved in 100%, with mean implantation of 46.6 days (range, 27-66 days). Filter types were as follows: OptEase (n=11) and Aegisy (n=4). The mean retrieval time and fluoroscopy time were 21.43±5.42 min and 7.63±2.67 min, respectively. Immediate postprocedure venography showed no procedure-related complications. Thirteen patients discontinued previously prescribed lifelong anticoagulation. There were no long-term complications during follow-up. CONCLUSIONS The bidirectional pull-back technique is safe and efficient for filter retrieval. This complex technique can be particularly useful in selected patients to remove strut-embedded cylindrical-shaped IVC filters previously considered irretrievable.

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出版当年[2016]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
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出版当年[2015]版:
Q3 MEDICINE, RESEARCH & EXPERIMENTAL
最新[2023]版:
Q3 MEDICINE, RESEARCH & EXPERIMENTAL

影响因子: 最新[2023版] 最新五年平均 出版当年[2015版] 出版当年五年平均 出版前一年[2014版] 出版后一年[2016版]

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第一作者机构: [1]Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China.
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通讯机构: [1]Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China. [2]Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P.R. China
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