no slide title · 2013-11-26 · incidence/mortality/morbidity occur in 70-80% of all multi-trauma...
TRANSCRIPT
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Musculoskeletal Trauma
Humaryanto
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Incidence/Mortality/Morbidity
Occur in 70-80% of all multi-trauma patients
Blunt or Penetrating
Upper extremity rarely life-threatening
– may result in long-term impairment
Lower extremity associated with more severe injuries
– possibility of significant blood loss
– femur, pelvic injuries may pose life-threat
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Incidence/Mortality/Morbidity
Problem is not just the bone injury
– Other injuries caused by the injured bone
» Soft tissue
» Vascular
» Nervous system
» Decreased function
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Prevention Strategies
Sports Training
Seat Belt use
Child Safety Seat use
Airbag use
Gun Safety and Education
Motorcycle education and protective equipment
Fall prevention
Can you think of others?
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Musculoskeletal System Function
Scaffolding/Support
Protection of vital organs
Locomotion
Production of RBC
Storage of minerals
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Musculoskeletal Structures
Skin
Muscles
Bones
Tendons
Ligaments
Cartilage
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Musculoskeletal Structures - Skin
Holds all structures together
Barrier function
Protects underlying structures
Subcutaneous tissue
– Fat
– Fascia
Further discussion in Soft-Tissue Trauma
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Musculoskeletal Structures - Muscle
Composed of specialized cells with ability to contract
Voluntary (Skeletal)
– Conscious control
– Allows mobility
Smooth (Bronchi, GI tract, blood vessels)
– Controlled by ANS
– Able to alter inner lumen diameter
Cardiac
– Contracts rhythmically on its own
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Musculoskeletal Structures - Muscle
Can only contract
Skeletal muscle causes movement by shortening resulting in pulling on bones through cord like bands
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Musculoskeletal Structures
Tendons
– Bands of connective tissue binding muscles to bones
Cartilage
– Connective tissue covering the epiphysis
– Surface for articulation
Ligaments
– Connective tissue supporting joints
– Attach bone ends to each other
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Bones
Living tissue
Consists of cells which deposit calcium, phosphorus on protein matrix
Constantly remodels itself
Able to repair damage without formation of scar tissue
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Bones
Structural form for body
Protection
Point of attachment for tendons, ligaments, cartilage and muscles
Allows for movement
Storage of minerals
Produce red blood cells
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Skeletal System Components
Axial Skeleton
– forms the central axis of the body
– includes skull, vertebral column, bony thorax
Appendicular Skeleton
– limbs
Pectoral girdle
– bones that attach the upper limbs to the axial skeleton
Pelvic girdle
– paired bones of the pelvis that attach the lower limbs to the axial skeleton and sacrum
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Long Bone Anatomy
Diaphysis
– Long, narrow shaft
– Dense, compact bone
Metaphysis
– Head of bone
– Between epiphysis and diaphysis
Medullary canal
– Contains marrow
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Long Bone Anatomy
Periosteum
– Outer fibrous covering
– Allows for increase in diameter
– Vascular
– Nerves
Epiphysis
– Articulated, widened end
– Allows bone to lengthen
– Cancellous bone with red blood marrow
– Weakest point in child’s bone
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Joints
Points of articulation between bones
Fused/Fibrous
– Sutures
» Between bones of skull
Synovial
– Fluid filled chamber which lubricates articulated surfaces
– Allow for movement
» gliding, flexion, extension, abduction, adduction, circumduction, rotation
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Synovial Joints
Ball/Socket
–Shoulder/Hip
Hinge
–Elbow/Knees/Fingers/TMJ
Pivot
–Between radius and ulna
Gliding
–Bones of wrist
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Fracture
Break in continuity of bone
Closed
– Overlying skin intact
Open
– Wound extends from body surface to fracture site
– Produced either by bones or object that caused Fx
– Danger of infection
– Bone end not necessarily visible
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Mechanism of Injury
Direct
– Break occurs at point of impact
Indirect
– Force is transmitted along bone
– Injury occurs at some point distant to point of impact
– Femur, hip, pelvic fracture due to knees hitting dash
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Mechanism of Injury
Twisting
– Distal limb remains fixed
– Proximal part rotates
– Shearing, fracturing occur
– Football. skiing accidents
Avulsion
– Muscle and tendon unit with attached fragment of bone ripped off bone shaft
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Mechanism of Injury
Stress
– Occur in feet secondary to prolonged running or walking
Pathological
– Result of Fx with minimal force
– Cancer, osteoporosis
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Fracture Descriptions
Open vs Closed
X-Ray descriptions
– greenstick
– oblique
– transverse
– comminuted
– spiral
– impacted
– epiphyseal
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Fracture Types
Transverse
– Cuts shaft at right angle to long axis
– Often caused by direct injury
Greenstick
– Pliable bone splinters on one side without complete break
– Occurs in children
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Fracture Types
Spiral
– Fx site coils through bone like spring
– Occurs with torsion
Oblique
– Occurs at angle to long axis of shaft
Comminuted
– Bone broken into 3 or more pieces
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Fracture Type
Impacted
– Bone ends jammed together
– Occurs with compression
– Frequently no loss of function
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Problems Associated with Musculoskeletal Injuries
Hemorrhage
Interruption of Blood Supply
Disability
Instability
Soft Tissue injury
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Complications associated with Fractures
Hemorrhage
– Possible loss within first 2 hours
» Tib/Fib - 500 ml
» Femur - 500 ml
» Pelvis - 2000 ml
Interruption of Blood Supply
– Compression on artery
» decreased distal pulse
– Decreased venous return
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Complications associated with Fractures
Disability
– Diminished sensory or motor function
» inadequate perfusion
» direct nerve injury
Specific Injuries
– Dislocation
– Amputation/Avulsion
– Crush Injury (soft tissue trauma discussion)
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Sprains/Strains
Sprain
– tearing of ligaments surrounding joint
Strain
– overstretching of muscle or tendon
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Musculoskeletal Assessment
The possibilities
– Life-threatening injuries or conditions, including life/limb threatening musculoskeletal trauma
– Life/Limb threatening injuries and only simple musculoskeletal trauma
– Life/Limb threatening musculoskeletal trauma and no other life/limb threatening injuries
– Only isolated, non-life/limb threatening injuries
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Musculoskeletal Assessment
Initial Assessment
– ABCDs
– Life threats managed first
– Don’t overlook life/limb threatening musculoskeletal trauma
– Don’t be distracted by “gross” but non-life/limb threatening musculoskeletal injury
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Musculoskeletal Assessment
With few exceptions orthopedic injuries are not life threatening.
Do not let drama of obvious or grossly deformed fracture distract you
from more serious problems involving ABC’s
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Musculoskeletal Assessment
The six “P”s of musculoskeletal assessment
– Pain
» on palpation
» on movement
» constant
– Pallor - pale skin or poor cap refill
– Paresthesia - “pins and needles” sensation
– Pulses - diminished or absent
– Paralysis
– Pressure
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Musculoskeletal Assessment
Vascular injury should be suspected in all Fx’s/dislocations UPO
Evaluate with 5 P’s
– Pain
– Pallor
– Pulselessness
– Paresthesias
– Paralysis
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Musculoskeletal Assessment
History of Present Injury
– Where is pain felt?
– What occurred? What position was limb in?
– Were deceleration forces involved?
– Was there direct impact?
– Has there ever been previous trauma or Fx?
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Musculoskeletal Assessment
Palpation and Inspection
– Swelling/Ecchymosis
» Hemorrhage/Fluid at site of trauma
– Deformity/Shortening of limb
» Compare to other extremity if norm is questioned
– Guarding/Disability
» Presence of movement does not rule out fracture
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Musculoskeletal Assessment
Palpation and Inspection
– Tenderness
» Use two point fixation of limb with palpation with other hand.
» Tenderness tends to localize over injury site.
– Crepitus
» Grating sensation
» Produced by bones rubbing against each other.
» Do not attempt to elicit.
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Musculoskeletal Assessment
Palpation and Inspection
– Exposed bones
» Fx can be open without exposed bones
– Principal danger is not to bones, but to underlying neurovascular structures around bone.
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Musculoskeletal Assessment
Palpation and Inspection
– Distal to injury, assess:
» skin color
» skin temperature
» sensation
» motor function
– If uncertain, compare extremities
– When in doubt splint!
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Musculoskeletal Assessment
Because orthopedic injuries have low priority in multiple systems trauma, all Fx’s may not be found in field
Long Board
– Splints every bone and joint
– No loss of time
– Focus on critical conditions
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Key Point
Orthopedic injuries are seldom immediately life threatening.
Tend to other issues first.
Only immediately life threatening orthopedic injury is Pelvic Fx due to potential massive
hemorrhage
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Key Point
The problem is not the damage to the bone
The problem is the damage the bone does to the surrounding soft tissues.
Evaluate Neurovascular Function Distally
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Management - General
Immobilization Objectives
– Prevent further damage to nerves/blood vessels
– Decrease bleeding, edema
– Avoid creating an open Fx
– Decrease pain
– Early immobilization of long bone fractures critical in preventing fat embolism
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Management - General
Principles of Fracture Management
– Splint joint above, below
– Splint bone ends
– Loosely cover open fracture sites
– Neurovascular assessment
» before and after splinting
– Gentle in-line traction of long bone
» maintain normal alignment if possible
» reduction of angulated fracture site
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Management - General
Principles of Fracture Management (cont)
– Position of function
– Pain management
Body Splinting
– In urgent patient, entire body is stabilized by using a long board
– Lower extremity fractures can be splinted as one to the long board
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Splints, Padding, Bandages, Slings, and Swathes
Splints. Splints may be improvised from such items as boards, poles, sticks, tree limbs, rolled magazines, rolled newspapers, or cardboard. If nothing is available for a splint, the chest wall can be used to immobilize a fractured arm and the uninjured leg can be used to immobilize (to some extent) the fractured leg.
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Splints, Padding, Bandages, Slings, and Swathes
Padding. Padding may be improvised from such items as a jacket, blanket, poncho, shelter half, or leafy vegetation.
Bandages. Bandages may be improvised from belts, rifle slings, bandoliers, kerchiefs, or strips torn from clothing or blankets. Narrow materials such as wire or cord should not be used to secure a splint in place.
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Splints, Padding, Bandages, Slings, and Swathes
Slings. A sling is a bandage (or improvised material such as a piece of cloth, a belt and so forth) suspended from the neck to support an upper extremity. The triangular bandage is ideal for this purpose. Remember that the casualty's hand should be higher than his elbow, and the sling should be applied so that the supporting pressure is on the uninjured side.
Swathes. Swathes are any bands (pieces of cloth, pistol belts, and so forth) that are used to further immobilize a splinted fracture. Triangular and cravat bandages are often used as or referred to as swathe bandages. The purpose of the swathe is to immobilize, therefore, the swathe bandage is placed above and/or below the fracture--not over it.
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Management - General
Pain Management
– Avoid pain management until head/thoracic injury is ruled out
– Appropriate for isolated musculoskeletal injuries (fracture/sprain/dislocation)
– Underutilized
– Morphine sulfate titrated to pain relief without compromising adequate BP and ventilations
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Management - Pediatric
Green stick Fx may go unrecognized
Fx can occur in epiphyseal plate, early closure can prevent further growth of affected bone
If no explanation from patient or parents or injury does not follow mechanism, suspect child abuse.
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Oversight of volume loss when evaluating pt with multiple Fx’s
Estimate blood loss at each Fx site
Evaluation of neurovascular deficiencies in distal extremity
Management Error
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Dislocations
Displacement of bone end from articulating surface at joint
Pain or pressure is most common symptom
Principal sign is deformity
May experience loss of motion of joint
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Dislocations
Nerves, blood vessels pass very close to bone. Pressure on these structures can occur
Checking distally essential
– Pulse presence
– Pulse strength
– Sensation
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Management - Dislocations
Principles of fracture/dislocation management
– Usually splinted in position of injury
– Neurovascular assessment before, after splinting
– Attempt realignment of dislocations if
» distal circulation is impaired
» long transport
– Discontinue realignment if pain increased significantly or resistance is encountered
– Immobilize proximal. distal joints and bones
– Analgesia, possible cold application
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Sprains
Stretching. tearing of ligaments surrounding joint
Occur when joint is twisted beyond normal range of motion
Most common = Ankle
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Sprain Management
Characteristics
– Pain
– Tenderness
– Swelling
– Discoloration
Typically does not manifest deformity
Ice, compression, elevation, immobilize
When in doubt, splint
Consider analgesia
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Strains
Tearing, stretching of musculotendonous unit.
Spasm, pain on active movement
Usually no deformity, swelling
Pain present on active movement
Avoid active movement, weight bearing
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Minor Musculoskeletal Injury Management
Cold/Heat application
– cold best if in first 48 hours to reduce swelling
– heat best if after 48 hours to increase circulation
– no direct application to soft tissue
» wrap in towel or gauze
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Minor Musculoskeletal Injury Management
Other care
– Is immobilization/splinting needed?
– Is an X-ray needed?
– Is there a need for MD follow? ED visit?
– What type of transport is needed?
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Traumatic Amputation
First priority - ABC’s
– Bleeding from stump usually not a problem
Next priority is to save limb
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Traumatic Amputation Management
Control Bleeding
Elevate
Apply direct pressure to stump
Avoid tourniquet except as last resort
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Traumatic Amputation - Limb Management
Place in saline moist gauze
Place in plastic bag
Place bag on ice
Do not
– Warm amputated part
– Place part in water
– Place directly on ice
– Use dry ice
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Upper Extremity Fx
Proximal Humerus
– Usually from a fall on outstretched hand.
– Manage with sling, swathe
– Deltoid bulge often accentuated
Shaft of Humerus
– Usually obvious due to deformity
– Wrist drop may occur
– Vascular compromise may be present
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Upper Extremity Fx
Colles Fx (silver fork)
– Distal radius
– Usually secondary to fall on outstretched hand
– Common in children
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Figure-of-eight splint
Use the figure-of-eight splint to
treat fractures of the medial two-
thirds of the clavicle. Apply this
splint while the patient is erect,
with the hands on the iliac crests
and the shoulders held in
abduction. Wrap a stockinette or
padding snugly around both
shoulders. A premade version of
this splint is available. The figure-
of-eight splint loosens with time; a
simple sling may be used if
loosening of the splint is a concern
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Shoulder Dislocation
Realignment
– One attempt if neurovascular compromise
– Do not attempt if associated with other severe injuries or spine injuries
– Provide analgesia
– Pull into anatomical position
Splinting
– Be creative
– Sling, swathe if possible
– Cravats are our friends!
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Hip Dislocation
Anterior
– Blow to abducted leg, external rotation of affected extremity
Posterior
– Blow to flexed/Abducted knee
– More severe than anterior dislocation
– Associated with rupture of joint capsule, acetabular Fx, sciatic nerve injury
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Management - Hip Dislocation
Realignment
– One attempt if severe neurovascular compromise
– Do not attempt if associated with other severe injuries
– Provide analgesia
– Steady and slow pull along shaft of femur
– If successful, “pops” into joint, sudden relief of pain, leg can easily return to extension
Immobilization
– Flexion of hip/knee for comfort acceptable
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Pelvic Fracture
Direct or indirect force
Pelvic ring tends to break in two places
Bone fragments can cause damage
– Major vessels
– Urinary bladder
– Rectum resulting in contamination
– Nerves (Lumbrosacral plexus or sciatic)
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Pelvic Injury
Introduction
– significant blood loss if bilateral
–may settle in retroperitoneal space
–3% of all fractures
–mortality 8 - 50%
–2nd most common cause of traumatic death
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Pelvic Fracture
Signs & Symptoms
– pelvic instability
– pain (suprapubic also)
– crepitus
– bloody meatus
– neurovascular deficits
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Polytrauma
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Pelvis
Interventions
–Stable patient
»analgesia
»Repair vs mobilization
–Unstable patient
» Immobilize
»Ex-fix
»Angiography
embolization
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Pemeriksaan fraktur pelvis
Tekan kearah posterior dan anterior pada krista iliaka (stabilitas anteroposterior)
Lakukan traksi pada salah satu tungkai dengan memfiksasi pelvis (stabilitas vertikal)
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Pemeriksaan radiologis Bila keadaan pasien
memungkinkan segera dilakukan pemeriksaan foto pelvis AP
CT scan
3 dimensional CT
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Radiographic examination
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Outlet and inlet view
I
O
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Pelvic Fx Management
Treat as potential critical trauma patient
Comfortable position if possible
Splint = Minimize movement
– Scoop stretcher
– Body to long board
– MAST for splint
Replace volume prn
– Possible 4000cc blood loss
– 2 IV of LR
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Femur Fx
Femoral Neck (Hip)
– Most common in mid to late 60’s age group.
– Leg tends to rotate outward
» looks like anterior hip dislocation
– Minimal blood loss tends to occur due to joint capsule
Management
– NO traction splint
– long board, scoop or MAST
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Femur Fx
Mid-Shaft
– Result from torsion in very young or old
– High speed deceleration with impact
» Hypovolemic shock
» Fat Embolism
– Early immobilization with traction splint will help prevent
– 1000 to 2000 cc blood loss
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Femur Fx - Management
Assess for traction splint contraindications
May use PASG, secure to long board
– Secure to opposite extremity and then to long board (premise for the Sager splint)
Assess for :
– Soft tissue, vascular, or nerve injury
– Assess for hypovolemia
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Femur Fx - Management
Traction Splints
– Used on mid-shaft femur fractures
– Do not use if suspected fracture involves
» proximal or distal 1/3 of femur
» pelvis
» hip (or hip dislocation)
» knee (or knee dislocation)
» ankle (or ankle dislocation)
– What if time (patient instability) does not allow for traction splint application?
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Lower Extremity Fx
Patellar
– Due to direct impact
Tibia/Fibula
– High potential for:
» Open fracture
» Hemorrhage
» Infection
Calcaneal
– Results from falls (foot landing)
– High incidence of lumbar sacral compression
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Management - Lower Extremity Fx
Patellar, Tibia/Fibula, and Calcaneal
– Assess for neurovascular impairment
– Realign long bones
– Splinting possibilities
» board splint or cardboard splint
» vacuum splint
» pillow
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Elbow Dislocation
Presentation
– High neurovascular traffic
– Volkmann’s contracture - ischemia secondary to trauma causes ischemic contractions
Management
– assess for neurovascular impairment
– sling
– swathe
– analgesia and position of comfort
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Knee Dislocation
Presentation
– Trauma to popliteal artery
– Many reduce spontaneously
– Knee dislocation has a 50% incidence of associated vascular injury
– Presence of distal pulse does not rule out vascular injury
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Management - Knee Dislocation
Management
– Assess for neurovascular impairment
– One attempt at realignment if impairment or delayed transport
– Do not realign if associated with other severe injuries
– analgesia and position of comfort
– gentle, steady traction to move into normal position
» success by “pop” into joint, less deformity and pain, and increased mobility
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Hemorrhage Management
Direct Pressure
– Most effective method
– Pressure bandage
Elevation
– Combination with direct pressure
Pressure Point
– Brachial, Femoral, Carotid
Tourniquet
– last resort
– rarely required
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Tourniquet
Last resort, but do not wait too long.
Use flat wide material
BP cuff
Close to the wound as possible
Do not remove
Leave in plain view
Note time applied and clearly communicate during transfer of care