4Clarke MT,Green JS,Harper WM,et al.Screening for deep-venousthrombosis after hip and knee replacement without prophylaxis[J].JBone Joint Surg(Br),1997;79:787-91.
5Westrich GH,Sculco TP.Prophylaxis against venous thromboembolic dis-ease costs and controversy[J].J Bone Joint Surg(Am),2002;84(12):2306-7.
6Blanchard J,Meuwly JY,Leyvraz PF,et al.Prevention of deep-veinthrombosis after total knee replacement randomised comparison betweena low-molecular-weight heparin(nadroparin)and mechanical prophy-laxis with a foot-pump system[J].J Bone Joint Surg(Br),1999;81:654-9.
7Liebeman JR,Geerts WH.Prevention of venous thromboembolism after to-tal hip arthroplasty[J].J Bone Joint Surg(Am),1994;76(8):1239-50.
8Warwick D.New concepts in orthopaedic thromboprophylaxis[J].J BoneJoint Surg(Br),2004;86:788-92.
6Haake DA, Berkman SA. Venous thromboembolic disease after hip surgery. Risk factors, prophylaxis, and diagnosis. Clin Orthop Relat Res, 1989, (242):212-231.
7Geerts WH, Heit JA, Clagett GP, et al. Prevention of venous thromboembolism. Chest, 2001, 119 (1 Suppl): 132S-175S.
8Stulberg BN, Insall JN, Williams GW, et al. Deep-vein thrombosis following total knee replacement. An analysis of six hundred and thirty-eight arthroplasties. J Bone Joint Surg Am, 1984, 66:194-201.
9Cronan JJ, Dorfman GS, Scola FH, et al. Deep venous thrombosis: US assessment using vein compression. Radiology, 1987, 162:191-194.
10Baxter GM, Mckechnie S, Duffy P. Colour Doppler ultrasound in deep venous thrombosis: a comparison with venography. Clin Radiol, 1990, 42:32-36.
