Long Bone Fractures: Cannon, Ulna, Femur, Tibia, Complications, ExFix, Stack Pinning, Mandibular Fractures Flashcards Preview

RUSVM Large Animal Surgery > Long Bone Fractures: Cannon, Ulna, Femur, Tibia, Complications, ExFix, Stack Pinning, Mandibular Fractures > Flashcards

Flashcards in Long Bone Fractures: Cannon, Ulna, Femur, Tibia, Complications, ExFix, Stack Pinning, Mandibular Fractures Deck (20)
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1
Q

T/F: The prognosis for complete displaced condylar fracture is good for returning to racing

A

False

2
Q

T/F: Condylar fracture of the cannon bone is most commonly seen in racing thoroughbreds

A

True

3
Q

T/F: Horses with incomplete non displaced condylar fracture have mild lameness

A

True

4
Q

What is the optimal treatment for a simple transverse fracture of the cannon bone?

A

double plate fixation

5
Q

What type of plate is shown here?

A

locking compression plate (LCP)

6
Q

T/F: Locking compression plates (LCP) can be placed using standard screws or locking screws

A

True

7
Q

T/F: Horses should be ambulatory and fully weight bearing immediately post-op after plating

A

True!

8
Q

Where on the ulna do the triceps insert?

A

olecranon

apophysis in young patients

9
Q

What are some differentials for this image?

A
  • Humeral fracture
  • Radial nerve paralysis
  • Olecranon fracture
  • Neuro dz (rare)
10
Q

What is the treatment of choice for olecranon fracture repair?

A

ORIF

Open reduction, internal fixation

11
Q

When repairing ulnar fractures in horses less than 1 year old, the distal screws should not engage the radius. Why not?

A

May lead to subluxation of the elbow

12
Q

T/F: Prognosis for ulnar fractures is good with internal fixation

A

True

(67% - 87%)

13
Q

What type of external coaptation is being used here?

A

Thomas-Schroeder Splint/Cast Combo

14
Q

T/F: In farm animals, tibial fractures are commonly encountered in every age group and repair with external coaptation is frequently possible

A

True

15
Q

What type of external fixator is being applied here?

A

Type 2

16
Q

What type of external fixator is being used for this open fracture of the metacarpus?

A

Type 3

17
Q

Why do bone plates and screws tend to fail in ruminants <4 months old?

A

Cortical bone is thin and soft

18
Q

What is the treatment of choice for femur fractures in young calves?

A

stack pinning and cerclage wire

19
Q

For femoral fractures in foals, the treatment of choice is double plating on the ________ and ________ aspect of the cortex

A

For femoral fractures in foals, the treatment of choice is double plating on the cranial and lateral aspect of the cortex

20
Q

What are the two most common reasons for amputation?

A

severe osteomyelitis, neurovascular damage