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Subtalar or Talonavicular Fusion (Arthrodesis)

Why is this surgery recommended?

  • Align the foot and maintain joint stability
  • Treat severe foot deformities

What happens during the surgery?

Your child's surgeon will make a cut on the outside part of the foot.

Two foot bones (talus and navicular or talus and calcaneus) are fused together and screws or staples are inserted to maintain the position.

After the fusion there is less movement of the foot.

This surgery may affect growth of the foot and therefore, when possible, is avoided in young children.

Diagram showing outside view of bones of foot with screws after subtalar fusion. Click for larger version.

Diagram showing inside view of bones of foot with screws after subtalar fusion. Click for larger version.

Illustrations by Gillette Children's Specialty Healthcare

X-ray of foot before subtalar fusion surgery

X-ray of foot after subtalar fusion surgery

SOURCE: Subtalar or Talonavicular Fusion (Arthrodesis) ( )
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