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Review Question - QID 6041

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QID 6041 (Type "6041" in App Search)
After trial placement of components in a primary total knee arthroplasty, the knee is unable to come to full extension, but the flexion gap is appropriately balanced. After adequate soft-tissue releases have been performed, what is the next most appropriate action to balance the reconstruction?

Use a larger femoral component

1%

12/909

Use a thinner polyethylene insert

4%

39/909

Add posterior femoral augments

2%

14/909

Resect more proximal tibia

3%

31/909

Resect additional distal femur

89%

811/909

Select Answer to see Preferred Response

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The reconstruction requires additional resection of the distal femur to allow increased extension while maintaining the current flexion gap tension. Resecting more proximal tibia or decreasing the tibial polyethylene thickness will decrease flexion tension as well as extension tension. Adding posterior femoral augments and using a larger femoral component will increase flexion tension.

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