This work was supported by the grant from the National Natural Science Foundation of China (No. 81160236) and the Health Science and Technology Project of Yunnan province (Nos. 2014NS142 and 2017NS022).
For orthopedic surgery patients, deep venous thrombosis (DVT) which often results in pulmonary thromboembolism is the main cause of morbidity and mortality [1]. The leading etiology of DVT was considered to be Virc...