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LA Sx Final > Long Bone Fractures 3 > Flashcards

Long Bone Fractures 3 Flashcards

1
Q

How do you treat a femoral fracture in a neonatal calf and why?

A

Stack pinning + cerlage wire b/c calves don’t have a robust cortical bone as foals do

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2
Q

Which bone fracture is unlikely to heal with stall rest?

A

Femoral fracture

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3
Q

ESF w/pins in one plane

A

Type 1

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4
Q

ESF w/pins placed laterally to medially

A

Type 2

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5
Q

ESF w/cranially to caudally directed half-pins

A

Type 3

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6
Q

What forces do IM pins NOT protect the fracture site against?

A

Axial and compression forces

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7
Q

Diverging pins increases stability of this type of ESF

A

Type 2

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8
Q

Tubing w/PMMA and external frames are not strong enough for open fractures in these patients

A

Heavier patients

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9
Q

Why might you get sequestration assoc. w/pin tracts?

A

Disrupted blood supply and the heat of drilling

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10
Q

What is the success rate for stacked pin fixation in neonatal calf femoral fractures?

A

75%

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11
Q

What are stacked pin fixation complications?

A

Seroma, pin migration, osteoyelitis

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12
Q

Double plate application on cranial and lateral aspects of the bone results in a 50% success rate of this fracture

A

Femoral fracture in foals

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13
Q

What is the prognosis of a femoral fracture in the adult large animal?

A

Poor

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14
Q

Are closed or open fractures more likely to remain uninfected?

A

Closed (4x more likely)

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15
Q

What are clinical signs of infection?

A

Lameness, heat, fever

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16
Q

How much more likely are closed fractures to reach hospital discharge than open fractures?

A

6x more likely

17
Q

How do you treat an open/infected fracture?

A

Local debridement, ab, cancellous bone graft

18
Q

What is the cause and prognosis of mandibular fractures

A

Trauma

Good px

19
Q

When should you remove loose teeth assoc. w/mandibular fractures?

A

Not until after fracture has healed

20
Q

Are rostral or caudal mandibular fractures more common?

A

Rostral

21
Q

Why are plates and tension bands not placed on the tension side of a mandibular fracture?

A

We can’t access it

22
Q

Are most mandibular fractures open or closed?

A

Open

23
Q

What does aftercare of mandibular fracture repair include?

A

Daily mouth lavage, abx

24
Q

When can you remove a mandibular implant?

A

6-8wk

LA Sx Final (20 decks)

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