Abstract

To analyze the incidence and anatomic distribution of venous thrombosis after total hip and knee arthroplasty by using the data of the patients with primary total hip and knee replacement. From December 2013 to December 2014, total hip and knee arthroplasty were performed in 1 686 patients, of which 928 were THA and 758 were TKA. Before and after discharge, all patients were routinely performed double lower limb vein color Doppler ultrasound, the conventional use of anti fibrinolytic drugs, postoperative anticoagulation for 14 d. The types and distribution of thrombosis after operation were statistical analysis. Among 928 cases of primary total hip arthroplasty, there were 30 cases of thrombosis, 27 cases of isolated muscle vein thrombosis, followed by the involvement of the anterior or posterior tibial vein thrombosis, no central thrombosis. Among 758 cases of primary total knee arthroplasty, there were 87 cases of thrombosis, 81 cases peripheral thrombosis, 4 cases of thrombus of center type, the remaining 2 cases for mixed thrombus;74 patients with thrombosis involving a single vein, 65 cases involved muscle vein, 4 cases of femoral vein, 3 cases of posterior tibial vein, 2 cases of superficial vein; 13 cases of thrombosis involving multiple veins, involving muscle vein, posterior tibial veins, the peroneal veins and popliteal vein in 2 or 3 branches. The comparison results showed that the incidence of thrombosis after total knee arthroplasty was higher, the difference was statistically significant (P<0.001), and more prone to central thrombosis and multiple venous involvement. The incidence of thrombosis in patients with primary hip and knee replacement is low, and the incidence and anatomic distribution of the patients with primary hip and knee replacement are different.

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