purpose. To evaluate the outcome of one-stage longstem total knee arthroplasty (TKA) for patients with arthritic knees and tibiofemoral stress fractures. Methods. Records of 11 men and 18 women aged 47 to 78 (mean, 66) years who underwent fixedbearing posterior-stabilised TKA for osteoarthritis or rheumatoid arthritis of the knee with tibial (n=31) and femoral (n=3) stress fractures were reviewed. All the tibial fractures involved the proximal half. There were 7 associated fibular stress fractures. Of the 31 knees with tibial stress fractures, 26 and 5 manifested varus and valgus deformity, respectively. results. The mean follow-up period was 51 (range, 24-96) months. The mean tibiofemoral angle improved from 23.2º to 1.9º varus. The mean Knee Society knee score improved from 38.5 (range, 15-63) to 89.6 (range, 80-95)
Background:Though Austin Moore (AM) replacement prosthesis has fairly good short term results for intracapsular femoral neck fractures in the elderly, it still is a compromised option and has a high failure rate in the long run. The objective of the present retrospective study is to analyze the functional outcome, assess survivorship of revision total hip arthroplasty (THA) at mid to long term followup, and evaluate intraoperative difficulties faced during conversion of failed aseptic AM prosthesis to cemented THA.Materials and Methods:Eighty-nine cemented THA surgeries for failed AM prosthesis were performed between 1986 and 2005. AM failures were classified into seven groups on the basis of mode of failure. Infected failures were excluded from the study. There were 35 men and 54 women in the study group. The mean age was 68 years (range 57–91 years). Mean followup was 8 years (range 5–13 years).Results:Average Harris Hip Score improved from 65 preoperatively (range 42–73) to 87 (range 76–90) at 1 year postoperatively and to 86 (range 75–89) at the last followup. The overall complication rate was 4.5%.Conclusion:Conversion THA is an excellent treatment strategy for symptomatic failed AM hemiarthroplasty in terms of pain relief and restoration of function and mobility as near as possible to the preinjury level. Also, hemiarthroplasty should not be used in physically active patients, even in elderly individuals. Careful patient selection for hemiarthroplasty versus THA is vital and may decrease the incidence of complications and ameliorate the outcomes in the treatment of intracapsular femoral neck fractures.
Glenoid hypoplasia is a relatively rare alteration that in most cases involves the pectoral girdle in a bilateral and symmetrical manner. In general, glenoid hypoplasia is associated with skeletal changes such as hypoplasia of the humeral head or changes in the morphology of the acromion and of the coracoid. We describe a rare case of unilateral glenoid hypoplasia without instability and not involving humeral head. The patient was managed effectively with nonoperative measures that featured specific rehabilitation exercises for the shoulder.
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