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VM733: SURGERY > Small Animal Fracture Applications > Flashcards

Small Animal Fracture Applications Flashcards

1
Q

Forces: Cast

A

Rotation
Bending

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2
Q

Forces: IM Pin

A

Bending
+/- Shear

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3
Q

Forces: IM Pin + Cerclage

A

Rotation (short-term)
Bending
Compression (short-term)
Shear (short-term)

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4
Q

Forces: Interlocking Nail

A

Rotation
Bending
Compression
Tension
Shear

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5
Q

Forces: Plate

A

Rotation
Bending (w/ anatomic reconstruction)
Compression
Tension
Shear

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6
Q

Forces: External Skeletal Fixator

A

Rotation
Bending
Compression
Tension
Shear

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7
Q

Predictable Fixation Longevity: IM pin + coaptation, IM pin + wire, ESF, interlocking nail, bone plate

A
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8
Q

Reconstructable Fx

A

2 piece fracture or single large butterfly fragment
Anatomic reduction and rigid stability

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9
Q

Nonreconstructable Fx

A

Multiple fragments, especially small fragments
Restore spacial alignment, preserve biologic potential and design fixation capable or non-load-sharing for estimated healing time

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10
Q

Classify the fracture

A
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11
Q

What types of fractures are casts useful with?

A

Simple, transverse fractures
Metacarpal, paired bones, partial fractures
NOT oblique or comminuted

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12
Q

Classify the fracture

A

Traumatic
Caudo-medial displacement
Comminuted
Left tibia and fibula
Mid-diaphyseal
Closed

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13
Q

Classify the fracture

A

Traumatic
Long oblique
Tibia
Mid-diaphyseal
Minimal caudal displacement

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14
Q

Classify the fracture

A

Traumatic
Closed
Transverse
Radius-Ulna
Distal metaphyseal
Caudo-lateral displacement

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15
Q

What breeds + specific bones should coaptation be avoided in? Why?

A

Avoid in toy breeds, radius/ulna fractures
Very slow bone healing

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16
Q

What type of fractures are cerclage wires used with?

A

Long oblique
Long spiral
Single large oblique butterfly

17
Q

What types of fractures are IM pin and cerclage wires used with?

A

Only long oblique/spiral
*Need perfect anatomical reconstruction

18
Q

What forces do interlocking nails resist?

A

Bending
Rotation
Axial compression

19
Q

What forces do bone plate and screws resist?

A

All

20
Q

What type of fractures utilize buttress plating?

A

Non-reconstructable
Comminuted

21
Q

Classify the fracture

A

Long oblique
R femur
Diaphysis
Cranio-lateral displacement

22
Q

Classify the fracture

A

Comminuted
L femur
Diaphysis
Caudo-lateral displacement
Close

23
Q

Classify the fracture

A

Simple transverse
L femur
Diaphysis
Caudo-lateral, overridden displacement
Pred Forces: rotation, bending
Reconstructable

24
Q

Classify the fracture

A

Greenstick
L. tibia
Proximal diaphysis (or metaphysis)
Minimal displacement
Pred Forces: mild bending, mild shear/axial compression
Non-reconstructable (should heal on own)

25
Q

Classify the fracture

A

Forces: bending, rotation, axial compression
Non-reconstructable

VM733: SURGERY (15 decks)

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