Bones 101: Introduction to Emergency Orthopedics · Bones 101: Introduction to Emergency...
Transcript of Bones 101: Introduction to Emergency Orthopedics · Bones 101: Introduction to Emergency...
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Bones 101: Introduction to
Emergency Orthopedics
Claire Plautz, MD
(with special thanks to) Andrew D. Perron, MD
University of Virginia Health System
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Intro to ortho: Overview
General Terms & Principles
Radiology
Ottawa
Salter-Harris Classification
Splinting
Complications
Pain Control
Follow-up
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Ortho History
Mechanism of injury
Other injuries
Tetanus status (if skin break)
Handedness (for hand injuries)
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Ortho Physical
Inspection
Swelling/color/deformity
ROM
Active/passive
Palpation
Point of Max tenderness
Hematoma/crepitus
Neurovascular Assessment
Motor: 0-5; peripheral nerve function
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Motor Grade
0 = Nada
1 = Muscle fires (fasciculation); no movement
2 = Moves with gravity eliminated
3 = Moves against gravity
4 = Not full strength
5 = Full strength
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Ortho Physical
Sensation
2-point
Pinprick
Vascular
Cap refill
Pulses/skin temp
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Limb Deformity
Valgus = away from midline
Varus = towards the midline
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Nomenclature
Subluxation: partial loss of
the nl anatomic relationship
between joint surfaces
Dislocation: complete loss
of the normal anatomic
relationship between joint
surfaces (Note: Fractures
don’t dislocate, they
displace)
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Nomenclature
Diaphysis
Metaphysis
Epiphysis
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Nomenclature
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Nomenclature
Transverse/spiral/comminuted
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Nomenclature
Open vs. Closed
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Nomenclature
Impacted/avulsed
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Nomenclature
Complete/incomplete
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Nomenclature
Buckle (Torus)/bowing fracture
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Fracture description
Angulation Shortening Displacement/
apposition
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Radiology A minimum of 2 views at right angles to each
other are necessary to evaluate a bone or
joint.
Many specialized views (Joint specific)
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Just where is Ottawa and why
should I care (And what does it
have to do with Orthopedics?)
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Ottawa Criteria
Decision rules for determining who needs a
knee/Ankle x-ray.
Ian G. Stiell et. al. 1995
Designed to reduce cost while not missing
clinically significant bony injuries
Shooting for sensitivity of 1.0 (want to miss
no fractures, ok to xray some normal joints)
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Ottawa Knee Rules
Age 18-55
Able to weight-bear > 4 steps
Able to flex to 90o
No fibular head tenderness
No isolated patellar tenderness
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Ottawa Knee Rules
1,047 patients (68 fractures)
Sensitivity = 1.0
Specificity of .54
Rule would have reduced x-rays by 28%
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Ottawa Ankle Rules
Stiell et al.
Age 18-55
Acute (<10 days) injury
Initial evaluation
Not pregnant
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Ottawa Ankle Rules
No bony tenderness POSTERIOR edge of
distal 6 cm of fibula or tibia
No tenderness in midfoot (base 5th MT,
Navicular)
Able to bear weight 4 steps in ED
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Ottawa Ankle Rules
Sensitivity of 1.0
Reported equivalent patient satisfaction
Saves a lot of money.
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A word on kids...
Tendons are stronger than bones.
They can’t always tell you exactly where it hurts.
Missed fractures in kids cost a lot.
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Growth Plate Injuries (aka Salter-Harris classification)
Epidemiology:
15-30% of all skeletal injuries in children
Occurs most commonly after age 10, with a
median age of 13 years. Males >> females
Distal radius most common (30-60% of cases)
Most common April-September
Most commonly mis-diagnosed as “sprain”
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Salter-Harris classification
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“Can I have something for pain?”
Sprains hurt too! (Don’t let the x-ray
determine if the patient has pain)
Anticipate duration of pain
NSAID and narcotics for most
“R-I-C-E”
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Splinting (not casting)
Adequate for the job
The right splint
The right material
The right size
Well-padded
Comfortable
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Splinting
Always:
Extend Padding Beyond Splint
Splint Thickness:
Upper Extremity 8-10 Layers
Lower Extremity 12-15 Layers
Molding/Holding:
Always Use Pads of Hand to Mold and Hold
Plaster Sets in 5-8 Minutes
Dry in 30-90 Minutes
Ace Wraps Hold Splint… Not for Compression
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Fracture complications
Open fracture
Compartment syndrome
Neurovascular injury
Splinting errors
Unrecognized implications
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Follow-up
Everybody needs it!
Appropriate caregiver. (NOT all injuries need
to follow-up with ortho) Conversely, don’t
send complex fractures to primary care
provider.
When in doubt, splint and follow-up
(especially kids)
Give clear, time-sensitive instructions to
return for problems.
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Ortho Pitfalls
X-rays not obtained
Correct views not obtained
Inadequate films accepted
Failure to consider > 1 injury
Failure to consider occult
fractures
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Failure to diagnose complications:
Neurovascular injury
Compartment
syndrome
Retained foreign body
Systemic
Complications
Fat emboli
Rhabdo
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Treatment errors:
Failure to keep pt NPO.
Failure to immobilize
Incorrect/Incomplete splinting
Casting complications
Non-weightbearing/elevation
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Failure to communicate:
Poor discharge instructions
Inadequate follow-up
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QUESTIONS/COMMENTS