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Review Question - QID 8133

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QID 8133 (Type "8133" in App Search)
A 63-year-old woman with osteopenia is struck by a motor vehicle and sustains a Schatzker 2 (AO/OTA Type B) fracture of the lateral tibial plateau. She has 1.5 cm of joint depression and 7 mm of condylar widening. What is the most appropriate surgical fixation for this injury?

Lateral non-locking construct

34%

202/587

Percutaneous screws

1%

4/587

External fixation

1%

6/587

Lateral locking construct

60%

354/587

Medial and lateral plating

2%

10/587

Select Answer to see Preferred Response

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The patient has a significantly displaced partial articular fracture of the tibial plateau. Surgical treatment is preferred in an effort to restore the axis of the knee, achieve an articular reduction, and allow for repair of commonly associated soft-tissue injuries such as meniscal tears. This requires direct reduction, and fixation should provide subarticular support, interfragmentary compression, and buttress. This is best achieved with an undercontoured lateral nonlocking plate.

Illustration A shows a tibial plateau fracture.

Incorrect Answers:
2: Screws alone are unlikely to be adequately stable in this patient.
3: External fixation is not enough to reduce and hold the joint reduced.
4: Locking plates do not provide buttress effect when used in pure locking mode. In addition, locking plates add significant incremental cost to the procedure.
5: A unicondylar injury does not require dual plating.

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