目的：评价机械性血栓清除术（PMT）治疗下腔静脉滤器相关血栓的临床有效性及安全性。方法：回顾性分析2017年1月—2019年3月14例下腔静脉滤器置入术后12~14 d出现下腔静脉滤器相关血栓的患者，比较PMT前后红细胞及肾功能变化，有无症状性肺栓塞以及PMT的血栓清除效果，是否成功回收滤器及有无下腔静脉损伤。结果：PMT前后红细胞及肾功能水平改变无统计学意义，均无症状性肺栓塞发生，PMT后血栓清除Ⅲ级12例（85.71%），Ⅱ级2例（14.29%）联合应用CDT治疗后血栓清除达Ⅲ级，所有患者均成功回收滤器，无下腔静脉损伤发生。结论：PMT可安全、有效的清除下腔静脉滤器相关血栓，从而提高滤器回收的成功率。
Abstract
Objective: To evaluate the clinical efficacy and safety of mechanical thrombectomy(PMT) in the treatment of inferior vena cava filter-related thrombosis. Methods: A total of 14 patients with inferior vena cava filter-related thrombosis were included in the study from January 2017 to March 2019 retrospectively. Inferior vena cava filters had been implanted in all patients from 12 to 14 days. Data including the changes of hemoglobin and renal function, asymptomatic pulmonary embolism, the grade of thrombolytic clearance rate, successful recovery of filter and injury of inferior vena cava were compared. Results: There was no significant difference in the level of hemoglobin and renal function before and after PMT. No symptomatic pulmonary embolism occurred. Twelve patients(85.71%) had grade Ⅲ and two patients(14.29%) had grade Ⅱ thrombus clearance after PMT, combined CDT treatment the thrombus clearance reached grade Ⅲ. All patients successfully recovered filters without inferior vena cava injury. Conclusions: PMT is an effective and safe treatment method in patients with inferior vena cava filter-related thrombosis, thereby the success rate of filter recovery can be improved.
关键词
腔静脉滤器 /
血栓 /
放射学 /
介入性
Key words
Vena cava filters /
Thrombosis /
Radiology, interventional
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