Deep vein thrombosis(DVT) after joint arthroplasty in tbe lower extmmity has been one of the major causes of death in postoperative complications. But, there is little information on incidence and clinical risk factors of DVT in Korea. Fifty-eight patients (sixty-two cases) who underwent TKR were included in this study for evaluation of the incidence of DVT and correlation with clinical risk factors after total knee replacement(TKR) in Korea. Venography were performed preoperatively and postoperatively, and clinical risk factors were examined. The preoperative venography was performed within seven days before the surgery, and postoperative venography seven to 14days after the surgery. There was no evidence of thrombosis in any patient preoperatively, but thrombi were observed in seven cases (11%) postoperatively. Six cases showed thrombi in the calf vein and one case showed thrombi in the femoral vein. There was no statistically significant difference in incidence rate of DVT according to clinical risk factors such as age, toumiquet time, BMI(body mass index), diastolic blood pressure, operation time and coagulation assay(platelet, PT, aPTT, Anti-thrombin III, fibrinogen).
Arthroplasty ; Arthroplasty, Replacement, Knee* ; Blood Pressure ; Cause of Death ; Femoral Vein ; Humans ; Incidence* ; Joints ; Knee ; Korea ; Phlebography ; Postoperative Complications ; Risk Factors* ; Thrombosis ; Veins ; Venous Thrombosis*

PURPOSE: Deep vein thrombosis (DVT) after joint arthroplasty in the lower extremity has been a major cause of death postoperatively. However, there is few reports on incidence and risk factors of DVT in Korea. We evaluated the incidence of DVT, correlation between the DVT, and risk factors and effectiveness of color doppler ultrasonography for diagnosis of DVT after joint arthroplasty in the lower extremity. MATERIALS AND METHODS: One hundred and six cases (99 patients) of total hip or knee arthroplasties from March 1996 to August 1997 were included in this study. There were forty-four total hip arthroplasties and sixty-two total knee arthroplasties. No patients received prophylactic agents for DVT. Venogram and color doppler ultrasonogram were obtained within 7 days preoperatively and in 7 to 14 days postoperatively. Only venography was performed in 45 cases and both venography and color doppler ultrasonography were performed in 61 cases. RESULT: On venogram, there were no evidence of thrombi in all cases preoperatively but thrombi were observed in 9 cases (8.5%) postoperatively. Among these positive cases, eight cases showed thrombi in the calf vein and one case in the femoral vein. Color doppler ultrasonography could not detect any thrombi among 3 cases which had positive findings with venogram. In contrast to other reports, we did not identify a correlation between DVT and so-called risk factors such as age, tourniquet time, BMI (body mass index), diastolic blood pressure, operation time and coagulation assay (platelet, PT, aPTl, Anti-thrombin III, fibrinogen) CONCLUSIONS: We concluded that color doppler ultrasonography may not be an effective method in the diagnose is of DVT of calf vein in asymptomatic patients and that so-called risk factors had no relation to DVT.
Arthroplasty* ; Blood Pressure ; Cause of Death ; Diagnosis ; Femoral Vein ; Hip ; Humans ; Incidence ; Joints* ; Knee ; Korea ; Lower Extremity* ; Phlebography* ; Risk Factors ; Tourniquets ; Ultrasonography ; Ultrasonography, Doppler, Color* ; Veins ; Venous Thrombosis*

No abstract available.
Progeria*

No abstract available.

No abstract available.
Amputees* ; Humans ; Phantom Limb*

No abstract available.
Hallux Valgus* ; Hallux*

No abstract available.
Knee*

No abstract available.
Amputees* ; Femur Neck* ; Femur* ; Humans

This article has been retracted.

Satisfactory results of unicondylar knee arthroplasty (UKA) have been reported since minimally invasive UKA had been introduced. However, several stress fractures of the tibial plateau, related to instrumentation design, have been reported. We report two cases of periprosthetic stress fractures of the tibial plateau after navigation-assisted unicondylar knee arthroplasties.
Arthroplasty* ; Fractures, Stress* ; Knee*