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Moreira et al: Predicting tibial plateau angles following four different types of cranial closing wedge ostectomy
Veterinary Surgery 1, 2024

🔍 Key Findings

A linear relationship was observed between wedge angle and tibial plateau angle (TPA) correction across all four CCWO techniques.

All techniques produced predictable TPA corrections using linear regression-derived equations, allowing wedge angle extrapolation to achieve a target postoperative TPA of 5°.

TLA shift (tibial long axis) increased with wedge angle and influenced final TPA; greatest in Frederick & Cross method.

Tibial shortening (mTL%) varied by technique, being most severe (up to 40.9%) in traditional Slocum & Devine CCWO and least in newer techniques (7.5–12%).

  • The Oxley mCCWO produced the least TLA shift and tibial shortening, especially at moderate wedge angles.
  • Techniques varied in craniocaudal translation and wedge apex positioning, influencing planning accuracy and mechanical axis alignment.
  • The corrective wedge angle equations reliably predicted TPA within 4–6° across varied tibial conformations.
  • The study supports equation-based planning over static TPA–5° subtraction to reduce risk of under- or over-correction.

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    ← Articles

    Moreira et al: Predicting tibial plateau angles following four different types of cranial closing wedge ostectomy
    Veterinary Surgery 1, 2024

    🔍 Key Findings

    A linear relationship was observed between wedge angle and tibial plateau angle (TPA) correction across all four CCWO techniques.

    All techniques produced predictable TPA corrections using linear regression-derived equations, allowing wedge angle extrapolation to achieve a target postoperative TPA of 5°.

    TLA shift (tibial long axis) increased with wedge angle and influenced final TPA; greatest in Frederick & Cross method.

    Tibial shortening (mTL%) varied by technique, being most severe (up to 40.9%) in traditional Slocum & Devine CCWO and least in newer techniques (7.5–12%).

  • The Oxley mCCWO produced the least TLA shift and tibial shortening, especially at moderate wedge angles.
  • Techniques varied in craniocaudal translation and wedge apex positioning, influencing planning accuracy and mechanical axis alignment.
  • The corrective wedge angle equations reliably predicted TPA within 4–6° across varied tibial conformations.
  • The study supports equation-based planning over static TPA–5° subtraction to reduce risk of under- or over-correction.

    • Simini Surgery Review Podcast

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