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My foot hurts….

My foot hurts…. Heather Patterson PGY-2 Emergency Medicine May 31, 2007. Objectives. Review relevant foot boney anatomy Brief discussion about 3 foot fractures Practise!. Anatomy. Anatomy. Case. 35M working on roof, falls, lands like a cat c/o bilat heel pain and back pain.

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My foot hurts….

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  1. My foot hurts…. Heather Patterson PGY-2 Emergency Medicine May 31, 2007

  2. Objectives • Review relevant foot boney anatomy • Brief discussion about 3 foot fractures • Practise!

  3. Anatomy

  4. Anatomy

  5. Case • 35M working on roof, falls, lands like a cat • c/o bilat heel pain and back pain

  6. Case

  7. Case

  8. Calcaneus Fracture

  9. Calcaneus fractures Posterior tuberosity apex of anterior process apex of posterior facet

  10. Calcaneus Fracture • Mechanism: • High energy axial load • Intra or extraarticular • Associations: • 7% bilateral • 10% spine compression # • 25% other LE injury

  11. Calcaneus Fracture • Imaging: • Standard AP/Lat foot and ankle views • Axial • +/- CT • Important distinctions: • Involvement of subtalar joint • Depression of posterior facet

  12. Calcaneus Fracture • Ortho: • Treatment patterns vary • Intraarticular and comminuted fractures must be seen • Outcomes: • Poor outcomes • >50% have loss of ROM, chronic pain, and functional disability

  13. Case • 32M fell and landed with pointed toes

  14. Case

  15. Talar fractures • Anatomy: • 7 articular surfaces (60% of surface) • Regions: • Body • Neck • Head

  16. Talar fractures • Minor talar fractures: • HEAD AND NECK: • Avulsion and chip fractures of superior surface • BODY: • Lateral, medial, posterior body AND osteochondral of talar dome • Require immobilization and referral to ortho for f/u

  17. Talar fractures • Talar neck fractures • 50% of major talar injuries. • Mechanism: • extreme dorsiflexion • Hawkins classification • Often associated fractures

  18. Talar fractures • Type 1: nondisplaced • Type 2: subtalar subluxation • Type 3: dislocation of the talar body (50% open #’s) • Type 4: dislocation of the talar body & distraction of the • talonavicular joint. • Fracture type influences management & prognosis

  19. Talar fractures • Talar body fractures • 23% of all talar fractures • Ie posterior or lateral process fracture • Major talar body fractures are uncommon • usually axial loading

  20. Talar fractures • Talar head fractures • Uncommon (5-10%) • Compression transmitted through the talonavicular joint applied on a plantarflexed foot

  21. Talar fractures • Management: • Major fractures require ortho consult • Outcomes: • Risk of AVN, OA, and chronic pain

  22. Case • 18F playing soccer, tripped and twisted foot • Not sure of how she twisted/landed

  23. Case

  24. Navicular Fracture • Classification: • Dorsal avulsion • >50% of navicular #s • Eversion injury • Associated with deltoid ligament injury • Minimal articular involvement • Tuberosity Fracture • Eversion injury • Associated with posterior tibialis tendon avulsion

  25. Navicular Fracture • Classification: • Body Fracture • Rare • Axial loading • Comminuted, intraarticular

  26. Navicular Fracture • Clinical • Pain on palpation • +/- pain on passive eversion or active inversion • Imaging • Standard foot views • +/- bone scan

  27. Navicular Fracture • Why do we care? • Significant risk of AVN • Management: • Outpatient Ortho: • Dorsal avulsion and tuberosity # with minimal articular involvement • Immobilize 4-6 wks • ED Ortho consult • Body#, displaced #, >20% of articular surface involved

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