Total Hip Arthroplasty After Previous Acetabulum Fracture Surgery
نویسنده
چکیده
Because acetabulum is a part of hip joint, its fracture is important. At first, it is a weight bearing joint and it is involved in approximately all movements of body. In daily living, it must tolerate about 5-7 times body weight. For example, in the position of one leg stance about 3.5 times body weight is transmitted to hip joint. Even in sitting position and also in supine position and straight leg rising, hip joint is under pressure. Because it is a weight bearing joint, it should be smooth without step in articular surface to be harmonic and congruent with the head of femur. Hip joint is a ball and socket joint with wide range of motion. Lower limb is attached by it to body and because of long lever arm of femur and tibia, transmitted force to joint is extremely high.
منابع مشابه
Total hip arthroplasty after fracture of the acetabulum. Long-term results.
We made a retrospective study of 55 primary total hip arthroplasties in 53 patients with a history of previous acetabular fracture. The mean follow-up was 7.5 years and the average age at fracture was 48.7 years. The incidence of radiographic femoral loosening (29.4%), symptomatic loosening (15.7%), and femoral revision (7.8%) were similar to those previously reported at 10 years for routine ar...
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