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1.
China Journal of Orthopaedics and Traumatology ; (12): 357-362, 2015.
Article in Chinese | WPRIM | ID: wpr-241039

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the short-term clinical outcome of unicompartmental knee arthroplasty for the treatment of spontaneous osteonecrosis of the knee.</p><p><b>METHODS</b>From September 2013 to April 2014,5 patients with spontaneous osteonecrosis of the knee underwent unicompartmental knee arthroplasty, included 3 males and 2 females, aged from 65 to 80 years old with an average of 74 years. The courses of disease was from 1 to 6 years with the mean of 3 years. According to the radiographic staging criteria of Koshino, 1 case was stage II, 2 cases were stage III, 2 cases were stage IV. Clinical effects were assessed by VAS score, HSS score, and knee range of motion, tibiofemoral angle before and after operation.</p><p><b>RESULTS</b>All the patients were followed up from 6 to 7 months with an average of 6.4 months. All incisions obtained primary healing, and there were no complications such as infection, thrombosis, fracture of lower limbs. All 5 patients' pain relieved and their knee function improved significantly after operation, but knee range of motion had no obviously improved. Postoperative HSS scores, VAS scores, tibiofemoral angle were significantly improved than that of preoperative.</p><p><b>CONCLUSION</b>The short-term effect of unicompartmental knee arthroplasty in treating spontaneous osteonecrosis of the knee is satisfactory.</p>


Subject(s)
Aged , Aged, 80 and over , Female , Humans , Male , Arthroplasty, Replacement, Knee , Methods , Joint Diseases , General Surgery , Knee Joint , Osteonecrosis , General Surgery , Range of Motion, Articular
2.
China Journal of Orthopaedics and Traumatology ; (12): 676-677, 2008.
Article in Chinese | WPRIM | ID: wpr-324014

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate indications and clinical results of total hip arthroplasties for degenerative hips with history of infection.</p><p><b>METHODS</b>Seven cases of degenerative hip with history of infection underwent primary total hip arthroplasties, which involved 5 males and 2 females, with an average age of 45.8 years (range, 30 to 65 years). The quiescent period of infection were more than 10 years in all hips. According to Kim classification, 3 cases were of type I, and 4 of type II. The method to exclude active infection at the site of degenerative hips preoperatively was combination of physical examination, erythrocyte sedimentation rate and C-reactive protein level. The lateral incision was adopted in all cases, and all prosthesis were cementless. The clinical results of affected hips were assessed according to Harris hip score.</p><p><b>RESULTS</b>The follow-up was performed with the mean duration of 33.5 months (range, 21 to 44 months). No recurrence of infection, damage of nerve function or deep vein thrombosis of lower extremities occurred in all cases. The mean Harris hip scores improved from 44.5 points preoperatively to 84 points at the latest follow-up. No aseptic loosening of prosthesis or periprosthetic osteolysis were found at the latest follow-up.</p><p><b>CONCLUSION</b>Total hip arthroplasties has good short term results for degenerative hips with history of infection. It is important to select indicated cases and rule out the possibility of active infection.</p>


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Arthroplasty, Replacement, Hip , Methods , Bone Diseases, Infectious , Follow-Up Studies , Hip , Diagnostic Imaging , Pathology , General Surgery , Radiography
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