Objective To determine the factors contributing to the development of deep vein thrombosis (DVT) in the lower extremity in patients after hip or knee arthroplasty and hip fracture internal fixation.Methods One hundred and forty-seven consecutive patients receiving hip or knee arthroplasty and hip fracture internal fixation from 2004 to 2005 were included in this study. Their age ranged from 33 to 92 years. Duplex color ultrasonic inspection was performed on veins of the bilateral lower extremities before operation and 2 weeks after operation for detection of DVT. The patients were divided into a DVT group and a DVT-free group based on the development of DVT after operation. Detailed perioperative clinical information about the patients, surgery and anesthesia was collected.Results Lower extremity DVT was found in 42.2

作者：宋琳琳；吴新民；袁训芝；YUAN Jia-ying；ZHAO Guo-li

来源：中华麻醉学杂志 2010 年 30卷 z1期