management of common fractures - texas children's hospital...• birth injuries • buckle fx...
TRANSCRIPT
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Evaluation of
Common Fractures
Vinitha Shenava, MD
Orthopedics
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Objectives
• Characteristics of pediatric bone and fractures
• Treatment, evaluation, and management of fractures
• Recognize patterns associated with child abuse
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Key Points
1. Obtain at least 2 view X-rays of the area of concern
2. Manage select fractures in your office
• Birth injuries
• Buckle fx
• Toddler fx
• Clavicle fx
• Proximal humerus fx
• Fibula fractures
3. Refer physeal fractures and
fractures needing surgery
to pediatric orthopedics
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Facts
• Fracture rates increasing
– Sports
– Obesity
• Male predominance
– 40% of boys and 25% of girls
will sustain a fracture by 16
• 15-30% involve the
growth plate
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Properties of an Immature Bone
• More porous
• More flexible
• Thicker periosteum
(lining around the bone)
• Growth plate (physis) is
present
• Leads to unique
fracture patterns
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Fractures Unique to Children
• Buckle fractures
• Plastic deformation
• Greenstick fractures
• Physeal fractures
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Physis
• The physis is made of cartilage
• Responsible for longitudinal growth
• Area of relative weakness
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Classification of Physeal Injuries:
Salter Harris
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Physis is Our Friend
When the bone is angulated,
the physis will guide growth so
that the physis will become
parallel REMODELING
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The Physis is Our Friend
• Process is more robust in younger patients
• Remodeling is faster closer to the physis
4 + 8 4 + 9 5 + 0 5 + 10
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The Physis can be our FOE
• Damage to the physis can be irreversible
• Resulting in progressive deformity
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History
Mechanism of injury?
• Home
• Sport
• MVA
• Unknown?
– Abuse
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Signs of Fracture
• Pain
• Swelling
• Warmth
• Refusal to move extremity
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Physical Exam
• Examine on parent’s lap
• Encourage active rom
• Neurovascular exam
• Inspect and palpate
opposite extremity first
• Palpate suspicious area
last focusing on joint about
and below
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Upper Extremity Nerve Exam
ROCK (Median Nerve)
• Motor: opposition of thenar muscles, FPL, FDP
• Sensory: index finger pulp
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Upper Extremity Nerve Exam
PAPER (Radial Nerve)
• Motor: wrist, finger, thumb extension
• Sensory: 1st dorsal webspace
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Upper Extremity Nerve Exam
SCISSORS (Ulnar)
• Motor: abduction/adduction of fingers
• Sensory: small finger pulp
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Lower Extremity Nerve Exam
• Femoral nerve
– Motor – quadriceps – knee extension
– Sensation – anterior knee
• Tibial nerve
– Motor – gastroc-soleus and post tibialis – plantarflexion, foot inversion
– Sensation – plantar aspect of foot
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Lower Extremity Nerve Exam
• Superficial peroneal nerve
– Motor – peroneals –
foot eversion
– Sensory – dorsum of foot
• Deep peroneal nerve
– Motor – tib ant –
ankle dorsiflexion
– Sensory – 1st dorsal webspace
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Who Needs X-rays?
• Obvious deformity
• Loss of function/unwilling to use extremity
• Still hurts the following day
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X-rays
• Always get at least 2 views
of the area of interest –
AP/Lateral view
• Consider X-rays of
neighboring joints based
on tenderness and swelling
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Simple Fracture Immobilization
• Splints – prefab material
• Use pillows/towels with tape
or ace wrap
• Splint in the position
of comfort
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When and Where to Refer
• Urgent: To the ER – Significant swelling, neurovascular
compromise, open fracture
• Semi-urgent: Office visit (w/i 3 days of injury) – fracture
involving the physis or joint surface, anything you think
may need surgery
• Within a week: All other fractures that you are not going
to definitively manage
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Open Fracture Management
• If there is an open wound –
cover with sterile gauze
• Further evaluation in ER
• Avoid giving food or drink as
patient may require surgery or
sedation for further treatment
• Ideally send all imaging
studies with the patient
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Management of Common Fractures
1. Distal radius – buckle fracture
2. Humeral shaft – newborn fracture
3. Clavicle
4. Proximal humerus
5. Toddler fx (Tibia)
6. Fibula fractures –
avulsion/non-displaced
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Distal Radius Buckle Fractures
• Torus fracture
• Bone is compressed on one side
• Stable fracture
• Treatment: removable
wrist brace for 3-4 weeks
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Buckle Fracture
• Ideal fracture for treatment
by Primary Care
• No follow up needed
• Brace is easy to apply
• Cost savings to family
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Plastic Deformation
• These can be subtle injuries
• Bone has a gradual bend
• May not have much pain after
a couple of days
• REFER: May require
operative treatment because
it doesn’t remodel
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Clavicle/Humerus Birth Fractures
• Associated with a larger baby, difficult delivery
• May be associated with brachial plexus injury
• Exam may reveal “pseudo paralaysis” in the neonate
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Clavicle/Humerus Birth Fractures
• Heal rapidly in 2-4 weeks
• Treatment: Safety pin the sleeve at the wrist to the chest
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Clavicle Fractures
• Second most common fracture
• Typical mechanism is fall onto the shoulder
• Exam: pain, swelling, crepitus
• Treatment: sling
• Very few operative indications
• Inform parents of “bump” –callous related to healing
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Promimal Humerus Fractures
• Children < 8 y/o can all be
treated non-operatively
– Significant remodeling potential
and shoulder joint compensates
for displacement
• Treatment: sling
• Older patients with significant
displacement – referral
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Toddler Fracture
• Subtle fracture of the tibia
• May only see the fracture line
on one X-ray view
• Child reluctant to bear weight
• Mechanism: low energy
• Differential: infection if no
evidence of fracture
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Toddler Fracture
• Treatment is a splint or a CAM boot
• Important to apply the splint
appropriately
• Avoid equinus at the ankle and
appropriately pad the heel
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Greenstick Fractures
• Incomplete fracture
• Fails on the tension side
• Treatment is with a cast
• Refer to orthopaedics
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Greenstick Fracture
9 months later
• Proximal tibia is known for
developing this deformity
• Unhappy family
We didn’t know
this could
happen
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Ankle Injuries
• Typically an inversion injury
• Tenderness to tip of fibula or 1-2 cm proximal
(fibular physis)
• Avulsion fx=ankle sprain
– Lace up ankle brace
• 2-4 weeks
• SH I/II fracture – CAM boot
– 4 weeks
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Child Abuse
• Remember child abuse has no zip code
• 50% of fractures in children under the age of 1 are child abuse
• 30% of fractures in children under age 3 are child abuse
• Femur and tibia fractures are rare in children who are not walking
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Child Abuse
• History may be inconsistent
or not seem plausible to
cause injury
• May seek care in several
different facilities
• Delay in seeking care
• X-rays: fractures in various
stages of healing, corner
fractures
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Summary
• Always obtain at least 2 X-rays
to evaluate for fracture
• Many fractures can be safely
managed by primary care
providers
• Prompt referral for displaced
or physeal fractures