Quiz Question

In Ramsey 2025 et al., on tibial alignment, which technique most closely restored anatomic tibial plateau angle?

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Correct. Bent ILNs resulted in only ~1° increase in TPA, significantly closer to the contralateral limb than straight nails.
Incorrect. The correct answer is Bent interlocking nail.
Bent ILNs resulted in only ~1° increase in TPA, significantly closer to the contralateral limb than straight nails.

🔍 Key Findings

  • Straight interlocking nails (sILN) resulted in a significantly higher postoperative TPA compared with the contralateral limb (+5°), whereas bent nails (bILN) increased TPA by only +1°.
  • Bent interlocking nails achieved closer-to-anatomic tibial plateau alignment than straight nails (p < .0001).
  • Both techniques resulted in mild valgus malalignment (~2°) compared with the contralateral limb, but this was not clinically significant.
  • No significant differences in medial mechanical proximal tibial angle (mMPTA) were detected between groups.
  • Medullary canal fill was higher with bent nails (by ~6.6%), suggesting improved coaxial nail placement.
  • Missed bolt hole frequency did not differ between straight and bent nail techniques.
  • Complication rates were very low, with only one clinically relevant malalignment reported in the bent nail group.
  • Despite higher TPA in the straight nail group, no increased incidence of CCL rupture was identified during follow-up.

Ramsey

Veterinary Surgery

8

2025

Comparison of tibial alignment following bent or straight interlocking nail fixation for dogs with diaphyseal tibial fractures

2025-8-vs-ramsey-2

Article Title: Comparison of tibial alignment following bent or straight interlocking nail fixation for dogs with diaphyseal tibial fractures

Journal: Veterinary Surgery

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In Ramsey 2025 et al., on tibial alignment, what was the mean postoperative increase in tibial plateau angle (TPA) with straight interlocking nails?

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Correct. The straight ILN group showed an average increase in TPA of approximately 5° compared with the contralateral limb.
Incorrect. The correct answer is ~5°.
The straight ILN group showed an average increase in TPA of approximately 5° compared with the contralateral limb.

🔍 Key Findings

  • Straight interlocking nails (sILN) resulted in a significantly higher postoperative TPA compared with the contralateral limb (+5°), whereas bent nails (bILN) increased TPA by only +1°.
  • Bent interlocking nails achieved closer-to-anatomic tibial plateau alignment than straight nails (p < .0001).
  • Both techniques resulted in mild valgus malalignment (~2°) compared with the contralateral limb, but this was not clinically significant.
  • No significant differences in medial mechanical proximal tibial angle (mMPTA) were detected between groups.
  • Medullary canal fill was higher with bent nails (by ~6.6%), suggesting improved coaxial nail placement.
  • Missed bolt hole frequency did not differ between straight and bent nail techniques.
  • Complication rates were very low, with only one clinically relevant malalignment reported in the bent nail group.
  • Despite higher TPA in the straight nail group, no increased incidence of CCL rupture was identified during follow-up.

Ramsey

Veterinary Surgery

8

2025

Comparison of tibial alignment following bent or straight interlocking nail fixation for dogs with diaphyseal tibial fractures

2025-8-vs-ramsey-1

Article Title: Comparison of tibial alignment following bent or straight interlocking nail fixation for dogs with diaphyseal tibial fractures

Journal: Veterinary Surgery

How "Board-worthy" is this question?

🔥100% would expect this on the real thing

🤔Useful, but not core exam material

🗑️Not relevant or too off-base

Thanks for the feedback!
‍We'll keep fine-tuning the question vault.
Oops — didn’t go through.
‍Mind trying that again?

Quiz Results

Topic: Tibial Fixation
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