Children's fracture Flashcards

1
Q

Do boys or girls get injured more frequently?

A

Boys

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2
Q

The lower limb is more frequently fractured in children. T/F

A

False - upper limb

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3
Q

What is Wolf’s law?

A

Bone adapts to load/stresses placed on it

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4
Q

What is Heuter Volkmann’s law?

A

Compression inhibits growth and tension stimulates it

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5
Q

Children have a higher chance of healing normally than adults. T/F

A

True

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6
Q

What is a greenstick fracture?

A

One side of a bone is broken while the other is bent

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7
Q

What is a torus fracture?

A

Incomplete fractures of long bone shafts caused by axial pressure causing bulging of cortex

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8
Q

What is a bowing fracture/plastic deformation?

A

Incomplete fracture of a long bone causing bending

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9
Q

What are clinically suspicious signs of non-accidental injury?

A

Fractures in various stages of healing
Raised ICP in infants
Suspected intra-abdominal trauma in young children

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10
Q

How can children’s fractures be investigated?

A

X-ray if ossified
Ultrasound
Arthrogram (joints)
CT/MRI (older children)

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11
Q

How are children’s fractures managed?

A

Reduce (if needed), retain and rehabilitate

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12
Q

How accurately do children’s fractures have to be reduced?

A

Not very as they have marked remodelling potential

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13
Q

How can the nerves of the arm be tested?

A

Radial - thumbs up
Ulna - star fish
Median - okay sign

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14
Q

What is the most common treatment of children’s fractures?

A

Plaster of paris cast (followed by traction and less invasive fixation)

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15
Q

How are diaphyseal and metaphyseal fractures managed respectively?

A

Diaphyseal - joint above and below immobilised

Metapyseal - adjacent joint immobilised

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16
Q

When are children’s fractures not managed conservatively?

A

Displaced intra-articular
Displaced physeal injuries
Open fractures
Polytrauma

17
Q

What is the salter harris classification of physeal injuries?

A

Type 1 - complete physeal +/- displacement
Type 2 - physeal fracture extending through the metaphysis (chip metaphyseal fracture)
Type 3 - physeal fracture extending though the epiphysis
Type 4 - physeal fracture plus epiphyseal and metaphyseal fractures
Type 5 - compression fracture of the physis

18
Q

When is external fixation indicated in children’s fractures?

A

Contaminated wounds
Acute vascular injury
Burns
Polytrauma