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目的:本研究探讨可回收型下腔静脉滤器(IVCF)和永久型IVCF预防肺栓塞的短期和长期疗效以及慢性血栓后综合征、下腔静脉阻塞的发生率的差异等。方法:回顾性分析2005年1月至2010年9月在我院收治的36例行可回收型IVCF植入术和65例同期行永久型IVCF植入术的静脉血栓栓塞症患者的临床资料。结果:全部患者IVCF植入手术均获得成功,可回收型IVCF组35例患者中19例于术后2～6周成功取出滤器,16例留置体内改为永久性IVCF,滤器回收率52.78%。可回收型IVCF组与永久型IVCF组短期内(0～6周内)全因病死率分别为8.33%和7.69%,慢性血栓后综合征发生率分别为13.89%和21.54%,下腔静脉阻塞和血栓形成的发生率分别为11.11%和18.46%。结论:可回收型IVCF与永久型IVCF在短期内(0～6周内)预防致死性肺栓塞的有效性与安全性无显著性差异,但慢性血栓后综合征和下腔静脉阻塞的发生率永久型IVCF组较可回收型IVCF组增高。
OBJECTIVE: This study explored the short-term and long-term efficacy of recoverable IVCF and permanent IVCF in preventing pulmonary embolism and the incidence of post-chronic thrombotic syndrome and IVC occlusion. Methods: The clinical data of 36 patients with recurrent IVCF implanted in our hospital from January 2005 to September 2010 and 65 patients with permanent venous thromboembolism who underwent permanent IVCF implantation were retrospectively analyzed. Results: All the patients were successfully treated with IVCF implantation. Among the 35 patients in the recoverable IVCF group, 19 cases were successfully taken out of the filter at 2 to 6 weeks after operation, 16 were left in the body to be permanent IVCF, and the filter recovery rate was 52.78%. In the short term (within 0 ~ 6 weeks), the all-cause mortality rate was 8.33% and 7.69% in the IVCF group and the permanent IVCF group respectively. The incidence of chronic thrombosis syndrome was 13.89% and 21.54% respectively. The inferior vena cava obstruction And thrombosis were 11.11% and 18.46% respectively. CONCLUSION: There is no significant difference between the efficacy and safety of IVCF and permanent IVCF in the prevention of fatal pulmonary embolism (0 ~ 6 weeks) in short-term, but the incidence of chronic thrombosis syndrome and inferior vena cava obstruction Permanent IVCF group higher than the recoverable IVCF group.