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Review Question - QID 1148

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QID 1148 (Type "1148" in App Search)
When treating a stable 2-part intertrochanteric hip fracture with a sliding hip screw construct, what is the minimum number of screw holes that are needed in the side plate for successful fixation?

One

3%

34/1219

Two

80%

973/1219

Three

13%

160/1219

Four

3%

42/1219

Five

0%

1/1219

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A two part stable intertrochanteric femur fracture can be treated with a sliding hip screw, with good biomechanical and clinical results.

The referenced article by Bolhofner et al reviews a series of 69 patients with a sliding hip screw and two hole side plate and notes that they did not have any failure of the side plate construct.

The referenced article by McLoughlin et al is a biomechanical evaluation of 2 versus 4 hole plates and found that peak load in the failure test was not found to be statistically different between the two-hole and four-hole designs. In cyclic testing, the two-hole configuration exhibited statistically smaller fragment migration in both shear and distraction than the four-hole design.

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