Fracture repair in horses (Bauck) Flashcards

1
Q

How do foals heal compared to adults

A

faster
angular limb deformities
Salter Harris fx

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2
Q

Where is the coffin joint

A

distal interphalangeal joint

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3
Q

Pastern joint

A

Proximal interphalangeal joint

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4
Q

Fetlock joint

A

metacarpo/metatarsophalangeal joint

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5
Q

Knee

A

Carpus

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6
Q

Hock

A

tarsus

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7
Q

When should you stall rest

A

Stress fx

Splint bone fx

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8
Q

Risk of stall rest

A

catastrophic propagation

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9
Q

What is the only limb you should use external fixation on

A

Distal forelimb

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10
Q

When do you use external skeletal fixators

A

Foals and not weight bearing fx

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11
Q

What is external skeletal fixation device

A

U shaped w/ transosseous pins incorporated into tapered sleeves

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12
Q

What are external skeletal fixation devices used for

A

comminuted phalanx
MC/MT 3 breakdown
MCP breakdown

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13
Q

Key principles of interal fixation

A

anatomic reduction
rigid fixation
Preservation of blood supply
Early mobilization

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14
Q

Cortex screw

A

Large core
Small thread
Stronger more rigid

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15
Q

Cancellous screw

A

small core
large thread
Not common

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16
Q

How fast do you drill

A

1mm/s

17
Q

What is tapping

A

creates thread holes in the drill holes

improves bone screw interface

18
Q

DCP plate fixation

A

Squeezes the fx together

19
Q

LC-DCP

A

scalloped edges make plate stronger

20
Q

LCP

A

has threaded holes for locking screws

Increase stiffness and rigidity

21
Q

What is the minimum number of screws that should be placed on each side of fx

A

4

22
Q

One of the most important complications

A

supporting limb laminitis

Sinking/rotation of P3