به نام خدای بخشنده و مهربان
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به نام خدای بخشنده و مهربان. دکتر اکبری اقدم استادیار دانشکده پزشکی اصفهان. Forearm,Monteggia&Galleazzi Fracture Dislocations. Forearm Both Bone Fracture. Common 12 to 16y Most common site for refracture - PowerPoint PPT PresentationTRANSCRIPT
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و بخشنده خدای نام بهاقدم مهربان اکبری دکتر
اصفهان پزشکی دانشکده استادیار
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Forearm,Monteggia&Galleazzi Fracture Dislocations
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Common 12 to 16y
Most common site for refracture
Fx suspected >>child has not returned all
normal arm function within 1 to 2 days of
injury
Forearm Both Bone Fracture
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Practical classification2 bones3 levels
4fracture patterns(Bow,Greenstick,Compelet&Comminuted)
Classification
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Closed Reduction still remains the gold standard for closed isolated pediatric
forearm fractures
Treatment
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Non or minimally displaceLong arm cast(except above 4 y with stable
distal third fx)1 and 2 week visit
6-8 week castAfter that splint until union compelet
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Displaced fracturesManipolation with sedation
Contorol with fluroscopySugar tong splint(7-10 layers 3inch plaster)
Next week x-ray and change splint to cast2 next weeks follow up4 weeks after reduction can chang short cast
Except under 4 yReturn to sport now if…
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Distal third< 20 degreeMiddle third< 15 degreeUpper third <10 degree100% translation with <1cm shorteningRotation< 45 degree.difficult to measure
Bicipital tuberisity and radial styloid
Acceptable limits of angulation
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Open fractureFracture with unacceptibale reductionFx in assosiated supracodylar fx(to avoid
risk of compartement syn)
Surgery
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Interamedullary fixation is preferredIf one bone fixation Fix ulna
If both bone should be fix,radius first2-2.5 mm nail
brace or cast6-12 mo nail removal
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RedisplacementForearm stiffnessRefractureMalunionNonunionCross union(synostosis)Infection…
Complications
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Monteggia Fracture Dislocation InChildren
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Type 1Ant dis radial head associated with ulnar
diaphyseal fx at any level(most common)
Classification(Bado)
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Ant radial head dislocasion(include pulled elbow)
No plastic deformity of ulnaAnt dis radial head with radial neck fxAnt dis radial head with fx of radial
diaphyseal fx proximal to ulnar fx.…
Type 1 Equivalents
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direct blow theoryHyperpronation theoryHyperextention theory
Mechanism of injury
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Fusiform swelling elbowPain &limit ROM elbow
clinic
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Three steps:Correcting the ulnar deformityStable reduction of radial headMaintaining ulnar length and fx stability
Treatment
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A bivalved long arm cast 4-6 w slight supination and elbow 90 to 110 flex
Radiography every 1 to 2 wHardware remove
Postoperative care
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CongenitalPosteriorBilateral
Can be associated with various syndromesTraumatic
Isolated ant. Or ant lateral dislocationUnless congenital or systemic difference
Traumatic versus Congenital dislocation
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Posterior monteggia fx dxRare in children usully older patientMechanism
Direct force,sudden rotation and supinationSuddenly loaded in longitodinal direction
elbow at 60 flex
Type 2
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Incomplete fx ulna>>close reduction casting in extension
If doubt>>interamedullary fixationComminuted or very proximal ulnar
fx>>open reduction plate screw
treatment
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Lat swelling,varus,significant limitation of ROM
Mechanism>>hyperextesion of elbow combined with pronation
Monteggia type 3
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Incomplete or plastic deformation of ulnaClose reduction>>
Elbow in extension longitudinal traction valgus sterss test
Long arm cast elbow 70 to 80 flex
treatment
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Ant dis with fx both radius and ulna Radial fx level same or distal too ulnar fx
Fx unstablefixation
Type 4
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Chronic Monteggia InjuryUnder 12 years old
MRI
Determine congruency radial head and capitellum
Compelications
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SurgeryRadial nerve identify
Anconeous-extansor carpiulnaris intervalRepair or reconsteraction of annular lig
Radius head unreduceable >>ulnar osteotomy
After radial head redauction>>anullar lig repi
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Fracture of the distal radius with DRUJ disruption
Mechanism >>axial load ,forearm rotationSigns &symptoms>>pain,limitation of
forearm rotation,wrist flex ext
Pediatric Galeazzi Fractures
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Type 1 dorsal (apex volar)displacmentType 2 volar(apex dorsal)displacmentGaleazzi equivalent
Distal radius fx with distal ulnar physis disruption
Classification
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Volar apex Radius fx greenstick or incomplete
Close reduction and long arm cast in supinationComplete fx
Open reduction and fix with plate
Treatment
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Incompelet radius fxClose reduction
Compelet fxOpen reduction
Dorsal apex