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[Mid-term follow-up study of hip arthroplasty for internal fixation failure of femoral intertrochanteric fractures in the elderly].
OBJECTIVE: To retrospective analysis the mid-term follow-up effect of hip joint replacement in elderly patients with failure of intertrochanteric fractures of the hip joint internal fixation.
METHODS: From December 2008 to December 2011, 32 elderly patients underwent arthroplasty after intertrochanteric fracture fixation failure, of which, 4 death cases were excluded from the study, and the remaining 28 cases were in the study group. The age of patients ranged from 69 to 83 years old with a mean of 75 years old. The time from the internal fixation to the hip replacement were 8 to 72 months. Among them, 6 patients were Evans I type, 11 patients were Evans II type, 9 patients were Evans III type, and 2 patients were Evans IV type. Nine cases showed fracture of the lateral plate before operation, while 15 cases were femoral head screw cut-out and 4 cases were screw loosening. Harris score was used to compare the changes of hip function before operation with the final follow-up. Imaging results(X-ray) and erythrocyte sedimentation rate(ESR) were performed during the follow-up.
RESULTS: All patients were followed up from 4 to 7 years with an average of 5.3 years. Pain was significantly reduced or disappeared in patients compared with pre-operation. And hip function was significantly improved. Two cases had moderate pain after the physical activity and 4 cases had mild pain after the physical activity. At the final follow-up, 19 patients resumed free walking, 8 patients required walking with walking sticks, and 1 patient needed walking aid. The Harris scores improved from preoperative 34.9±2.4 to 83.4±5.7 at the final follow-up, among them, 15 cases were classified as excellent, 10 as good, 2 as fair, and 1 as poor. X-ray examination showed no prosthesis loosening and sinking fracture.
CONCLUSIONS: Salvage THA surgery could improve the hip function and the quality of life for old patients with intertrochanteric fracture fixation failure, and the middle-term follow-up results support that.
METHODS: From December 2008 to December 2011, 32 elderly patients underwent arthroplasty after intertrochanteric fracture fixation failure, of which, 4 death cases were excluded from the study, and the remaining 28 cases were in the study group. The age of patients ranged from 69 to 83 years old with a mean of 75 years old. The time from the internal fixation to the hip replacement were 8 to 72 months. Among them, 6 patients were Evans I type, 11 patients were Evans II type, 9 patients were Evans III type, and 2 patients were Evans IV type. Nine cases showed fracture of the lateral plate before operation, while 15 cases were femoral head screw cut-out and 4 cases were screw loosening. Harris score was used to compare the changes of hip function before operation with the final follow-up. Imaging results(X-ray) and erythrocyte sedimentation rate(ESR) were performed during the follow-up.
RESULTS: All patients were followed up from 4 to 7 years with an average of 5.3 years. Pain was significantly reduced or disappeared in patients compared with pre-operation. And hip function was significantly improved. Two cases had moderate pain after the physical activity and 4 cases had mild pain after the physical activity. At the final follow-up, 19 patients resumed free walking, 8 patients required walking with walking sticks, and 1 patient needed walking aid. The Harris scores improved from preoperative 34.9±2.4 to 83.4±5.7 at the final follow-up, among them, 15 cases were classified as excellent, 10 as good, 2 as fair, and 1 as poor. X-ray examination showed no prosthesis loosening and sinking fracture.
CONCLUSIONS: Salvage THA surgery could improve the hip function and the quality of life for old patients with intertrochanteric fracture fixation failure, and the middle-term follow-up results support that.
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