Long Bone Fractures 2

Question 1

Generally seen in farm animals d/t dystocia or in group housed juvenile cattle

Answer 1

femoral physeal fracture

Question 2

How do you treat a femoral physeal fracture in a cow?

Answer 2

Stall rest and ORIF w/pins/screws

Question 3

How do you insert IM pins for femoral head fixation?

Answer 3

Through femoral neck from caudolateral femur

Question 4

How do you treat a femoral physeal fracture in a foal?

Answer 4

Dynamic hip screw system

Question 5

Is FHO successful in large animals?

Answer 5

No

Question 6

Severe lameness w/crepitus and pain of the stifle

Answer 6

Tibial fracture

Question 7

How do you treat a SH type 2 tibial fracture in a farm animal?

Answer 7

Thomas Shroeder splint for 6wk

Question 8

How do you treat a SH type 2 tibial fracture in a foal?

Answer 8

Plate and screw fixation w/tension band and suction drain

Question 9

What type of screws do you use for fixation of a SH type 2 tibial fracture in a foal?

Answer 9

Cancellous

Question 10

When can you proceed w/surgical repair of a mid-diaphyseal humeral fracture in a cow?

Answer 10

After 8wk stall rest

Question 11

Potential complications of this treatment option include non/mal union, breakdown or laminitis of opposite limb

Answer 11

Stall confinement

Question 12

How do you treat a humeral fracture in foals?

Answer 12

ORIF w/plates

Question 13

What nerve is at risk when doing an ORIF on the humerus?

Answer 13

Radial nere

Question 14

Are interlocking nails adequate treatment for adult animals?

Answer 14

No

Question 15

Why would you not want to splint/bandage a humeral fracture?

Answer 15

Bandage/cast can’t actually reach the fracture so it just adds weight to the limb

Question 16

When trailering a broken horse for transport, which direction should they face?

Answer 16

Broken limb facing out

Question 17

You can’t adjust placement of this kind of cast after application and restricts your access to the soft tissue

Answer 17

Transfixation pin cast

Question 18

Systemic abx, general anesthesia, and dorsal recumbency are needed for placing this type of cats

Answer 18

Transfixation pic cast

Question 19

How many pins per fragment is required for stabilization of a short oblique fracture?

Answer 19

2

Question 20

Used for comminuted phalangeal fractures

Answer 20

Transfixation pin casting

Question 21

How should pins of a transfixation pin cast diverge and why?

Answer 21

30* divergence in frontal plane to decrease risk of fracture between pins

Question 22

Which ESF has pins placed laterally to medially?

Answer 22

Type 2 external fixator

Question 23

Which ESF has cranially to caudally directed half-pins?

Answer 23

Type 3 external fixator

Question 24

What type of ESF do you use for tibial fractures?

Answer 24

Type 3

Question 25

How much space do you need between the skin and a cast (padding)?

Answer 25

1/4 inch minimum

Question 26

When do you remove ESF pins?

Answer 26

6-8wk

Question 27

How do you repair an antebrachium fracture?

Answer 27

Repair radius and ulna will follow

Question 28

What is plate luting?

Answer 28

PMMA application

Question 29

Bone cement

Answer 29

PMMA

Question 30

How does PMMA increase stability of a plate?

Answer 30

Creates 100% plate to bone contact