Complex Cases in Total Knee Arthroplasty by Alfred J. Tria Giles R. Scuderi & Fred D. Cushner

Author:Alfred J. Tria, Giles R. Scuderi & Fred D. Cushner
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Findings can differ in cruciate retaining vs. posterior stabilized knees.

Often more than one surgical “error” can contribute to flexion instability.Flexion gap larger than extension gap

Femoral component too anterior

Femoral component too small

Excessive tibial slope

Malrotation

Revision surgery.Do not match femoral component to deficient bone stock.

Restore posterior femoral condyle offset with augments.

Balance flexion and extension gaps.

References

1.

Clarke HD, Scuderi GR. Flexion instability in primary total knee replacement. J Knee Surg. 2003;16(2):123–8.PubMed

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