• Ayako Kukida, Yasushi Takasaki, Mio Nakata, Tasuku Nishihara, Sakiko Kitamura, Sonoko Fujii, Yuji Watanabe, and Toshihiro Yorozuya.
• Department of Anesthesia and Perioperative Medicine Department of Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan.
• Medicine (Baltimore). 2018 Jan 1; 97 (3): e9675.

RationaleAlthough an inferior vena cave (IVC) filter is placed to prevent fatal pulmonary embolism (PE), several complications associated with an IVC filter have been reported. We describe a case with symptomatic PE, of which the origin was an occlusive IVC thrombus that developed from the placement of an IVC filer after a laparoscopy-assisted total gastrectomy (LATG).Patient ConcernsA 71-year-old man underwent LATG under general anesthesia alone. He had an IVC filter implanted 13 years ago. An intravenous infusion of unfractionated heparin was substituted for the discontinuation of oral warfarin four days before the surgery. The proposed operation was performed and took a total of 404 minutes including the total duration of pneumoperitoneum that took 374 minutes. After the surgery, he experienced severe shivering reactions that required frequent bolus infusions of antihypertensive drugs. On the third postoperative day, he complained of dyspnea after taking a short walk, and subsequently lost consciousness. While he spontaneously recovered without requiring any resuscitation efforts, we performed computed tomography (CT) examination for suspected PE.DiagnosesThe CT showed that a massive thrombus was occupying the intravenous space from the IVC filter to the left common iliac vein with several embolic defects in the peripheral pulmonary arteries present.InterventionsAn anticoagulant therapy was established with 10 mg of oral apixaban given twice a day for the first four days, followed by a reduction to 5 mg.OutcomesOn the 17th postoperative day, an ultrasound vascular examination confirmed the complete disappearance of deep venous thrombus (DVT).LessonsAs an IVC filter itself may be a potential source of DVT, we should carefully manage patients with a previously implanted IVC filter throughout the perioperative period.Copyright © 2017 The Authors. Published by Wolters Kluwer Health, Inc. All rights reserved.

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