Prevention And Treatment Progress Of Tumor-associated Venous Thromboembolism

Venous thromboembolism（VTE） is a common complication inpatients with cancer, occurring in4%to20%of patients,and is one of theleading causes of death in patients with cancer.In addition to surgery andprolonged hospital stays, chemotherapy is increasingly recognized as a riskfactor for venous thromboembolism in patients with cancer.VTE mainlyincludes deep wein thrombosis(DVT), pulmonary embolism(PE) andsuperficial vein thrombosis(SVT)， etc[49]. VTE results in increasedmorbidity, mortality, medical care and cost. Recently, risk predictionmodels are used for effective assessment of the risk factors for VTE.More and more clinical trials show benefits of prophylaxis and treatmentfor cancer patients.