This quiz focuses on complications related to the STAR Ankle replacement, assessing knowledge on component positioning and potential issues like polyethylene displacement and lateral malleolar fractures. Essential for professionals in orthopedics and prosthetic design.
Talus positioned to anteriorly
Talus positioned to posteriorly
Soft tissue balancing
Talus tilted anteriorly
Talus tilted posteriorly
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Center of talar body (lateral process)
Posterior of the lateral process
Anterior of the lateral process
None of the above
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Lateral to the barrel holes
Center of the barrel holes
Medial to the barrel holes
Wherever it wants relative to the positioning of the talus
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2mm
3mm
1mm
1.5mm
None
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Medial to the medial gutter
At the medial gutter
Lateral to the medial gutter
Depends on whether the surgeon is trying to remove medial malleolar arthritis
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Drop tibial base plate trial deeper than the anterior cortex of the tibia
Aim superiorly with the 6.5mm drill bit
Correct Alignment during final tibial base plate impaction
All of the above
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2 weeks
1 month
3 weeks
3 months
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Cam Boot, ROM exercises, & Weight Bearing as tolerated
Recast for another 3 weeks
ROM exercises & full weight bearing
None of the above
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Beginning of case
Middle of case
End of case
Never
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Yes
No
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Yes
No
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K-wires
Screws
Plating
A & C
B & C
A, B & C
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Anterior subluxation of the talus
Posterior subluxation of the talus
50/50 Posterior & Anterior subluxation of the talus
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Transverse saw cut
Oversized talus
Leverage against lateral malleolus during removal of distal tibia
A & B
A & C
A, B & C
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Always
When it is well aligned
Varus or Valgus malalignment of the talus
Never
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Quiz Review Timeline (Updated): Jun 14, 2024 +
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