• Kenji Horie, Hirotada Suzuki, Akihide Ohkuchi, Shigeki Matsubara, Tomokazu Ikemoto, and Mitsuaki Suzuki.
• Department of Obstetrics and Gynecology, Jichi Medical University School of Medicine, Shimotsuke-shi, Tochigi, Japan.
• J. Obstet. Gynaecol. Res. 2014 Feb 1; 40 (2): 590-4.

AbstractRecently, transient inferior vena cava (IVC) filters have been employed to protect against pulmonary embolism (PE) in pregnant women with deep vein thrombosis. A 34-year-old primiparous Japanese woman with a history of myomectomy was diagnosed with deep vein thrombosis by ultrasound at 27 weeks of gestation. Unfractionated heparin was administered, which soon ameliorated swelling in the right thigh. A transient IVC filter was implanted just before cesarean section. An enhanced computed tomography scan 2 days after cesarean section revealed a wide thrombus just distal to the filter. We performed catheter thrombus fragmentation with fibrinolysis just before the removal of the IVC filter, resulting in re-canalization of blood flow. No significant PE occurred. Although a transient IVC filter may work well for the prophylaxis of PE during labor and delivery, catheter fragmentation with fibrinolysis may become necessary at removal of the filter.© 2013 The Authors. Journal of Obstetrics and Gynaecology Research © 2013 Japan Society of Obstetrics and Gynecology.

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