• Kazuya Kawamata, Yoshihide Chiba, Ryoichi Tanaka, Masahiro Higashi, and Kazuhiro Nishigami.
• Department of Perinatology, National Cardiovascular Center, Osaka, Japan. kkawamat@hsp.ncvc.go.jp <kkawamat@hsp.ncvc.go.jp>
• J. Vasc. Surg. 2005 Apr 1;41(4):652-6.

ObjectiveWe placed temporary inferior vena cava filters to prevent pulmonary thromboembolism in patients with deep vein thrombosis (DVT) who were presumed to have an increased risk of pulmonary embolism in the perinatal period. These experiences of using temporary inferior vena cava filters in pregnant women are reported.MethodsWe reviewed 11 patients with DVT who underwent placement of a temporary inferior vena cava filter and delivered in our hospital between 1998 and 2004. All of the filters were placed at the suprarenal inferior vena cava before delivery. During filter placement, anticoagulant therapy was routinely performed, and we stopped the administration of anticoagulant agents intrapartum.ResultsNo complications occurred at filter insertion or during placement. No symptomatic pulmonary thromboembolism occurred during or after delivery. All of the filters were successfully removed, one of which was exchanged for a permanent filter because the temporary filter captured a large thrombus.ConclusionIntrapartum temporary inferior vena cava filters may reduce the incidence of pulmonary thromboembolism in pregnancy with DVT. Temporary inferior vena cava filters appear to be safe for pregnant women.

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