4.3 Article

Risk factors for postoperative proximal deep vein thrombosis and pulmonary embolism after laparoscopic colorectal cancer surgery: analysis of a multicenter randomized controlled trial

Journal

SURGERY TODAY
Volume 52, Issue 6, Pages 881-888

Publisher

SPRINGER
DOI: 10.1007/s00595-021-02422-2

Keywords

Colorectal cancer; Laparoscopic surgery; Prophylaxis; Venous thromboembolism

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Postoperative venous thromboembolism (VTE) is a major postoperative complication of colorectal cancer surgery, and anticoagulant prophylaxis may be necessary for high-risk patients. Factors such as blood loss and tumor location can predict the onset of proximal DVT/PE in patients with colorectal cancer after laparoscopic surgery. It is important to carefully monitor patients with rectal cancer and those with excessive blood loss during colon cancer surgery for signs of VTE, particularly proximal DVT/PE.
Purpose Postoperative venous thromboembolism (VTE) is a major and potentially fatal postoperative complication of colorectal cancer surgery. However, there is uncertainty about the necessity for anticoagulant prophylaxis to prevent VTE after laparoscopic colorectal cancer surgery because of its associated relatively lower incidence. Currently, anticoagulant therapy is considered mainly for patients at high risk of the development of VTE. Focusing on proximal deep vein thrombosis (DVT)/ pulmonary embolism (PE), we aimed to identify those cases at high risk of the development of fatal VTE. Methods We performed an exploratory retrospective analysis to identify the risk factors for postoperative proximal DVT and PE after laparoscopic colorectal cancer surgery in patients included in our prospective trial. Results A logistic regression analysis revealed factors that could predict the onset of proximal DVT/PE in patients with colorectal cancer. Blood loss and tumor location were identified as the predictors of proximal DVT/PE. Conclusions Patients with rectal cancer and those with excessive blood loss during colon cancer surgery must be monitored carefully for signs of VTE and especially proximal DVT/PE, after laparoscopic surgery.

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