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10 Cards in this Set
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- Back
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What are the two components of the treatment for compression side femoral neck stress fractures in runner?
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Cross-training
Stop running |
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What is Pauwel's classification? What is the clinical significance of Pauwel type III?
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I: fracture line <30 degrees from horizontal
II:<50 degrees III: <70 degrees (highest rate of osteionecrosis [ON], nonunion) |
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in a femoral shaft fracture with associated neck fracture, what is the typical neck fracture pattern? What is the preferred treatment?
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Neck fracture often vertical
Treated with DHS (dynamic hip screw) |
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What is the only proven indication for the use of the fourth screw for femoral neck internal fixation?
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Posterior comminution
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What two factors increase the risk of osteonecrosis after femoral neck fracture?
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Increased displacement
Delayed reduction |
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What is the 1-year mortality rate for elderly patients with femoral neck fractures?
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30%
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Do cemented or uncemented hemiarthoplasties have better published outcomes for femoral neck fracture treatment?
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Cemented
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What patients should undergo a THA for fracture? What is the significance of acetabular wear? What complication is particularly common when a THA is performed for fracture?
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Active elderly
Regardless of acetabular wear Complication: increased dislocation rates |
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What two factors principally determine how much sliding occurs with a dynamic hip screw?
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Screw angle
Length of the screw in the barrel |
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What complication is most common with cephalomedullary nailing than with a dynamic hip screw for a standard intertrochanteric fracture?
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Lag screw cutout
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