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Increased blood loss
1%
16/2088
Lower incidence of revision surgery
4%
83/2088
Increased risk of peri-prosthetic fracture
3%
62/2088
Lower dislocation risk
91%
1894/2088
Increased risk deep venous thrombosis
18/2088
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Figure B shows a bipolar hemiarthroplasty that was performed for a displaced femoral neck fracture. The advantages of hemiarthroplasty, compared with total hip arthroplasty, for the treatment of displaced femoral neck fractures include the more limited nature of the procedure (decreased blood loss and operative time) and the lower risk of instability. The disadvantages include the possible development of pain in the groin and acetabular erosion which increases the risk for revision surgery. Sim et al reviewed 126 consecutive hybrid total hip arthroplasties done for acute femoral neck fractures. Minimum follow up was 10.1 years. They noted a high dislocation rate (10%), yet overall good clinical outcome with 87/102 patients who were alive at latest follow up reporting either no or only minimal pain.
4.2
(28)
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