بنام یکتا
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Transcript of بنام یکتا
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ی�ک�ت�ا ب�ن�ا�م�
M.KARIMIAN.MD
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Proximal humerus fractures
Relatively uncommon ( <3% ) ,most commonly in adolescents
Almost exclusively salter-harris type I or II
In general heal & remodel because : thick periosteom ,universal motion,great growth of region ( 80% )
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Mechanism of injury Birth fracture Direct trauma ( outstretched hand ) Direct blow to the lateral aspect of
the shoulder Child abuse Less common: malignant or benign
tumor,pituitary gigantism,joint neuropathy
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Sign & symptom Infant : irritable,pseudoparalysis
Older children: pain, swelling,deformity
Displaced fx => epiphysis abd & ext. rot
distal fragment ant.medial rot
Undisplaced fx=> arm ininternal rotation
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Radiographic study Not useful < 6month sonography & CT Comprision xray & vanishing sign In older children: AP axillary lateral view (difficult) transthorasic axillary view or Y view apical oblique view(AP Xray with 45” caudal tilt) CT scan (R/O dislocation) MRI (R/O occult fx) Bone scan( R/O occult fx but difficult to interpret )
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Classification Salter- harris: type I : infants & small children type II: adolescent type III & IV : rare because universal motion or combind
with dislocation
Neer-Horwitz: grade I: < 5 mm displacement grade II: 5mm to 1/3 diameter of shaft grade III: 1/3 to 2/3 diameter grade IV: more Stress fx of metaphysis or slipped epiphysis due to
chronic or repetitive trauma such as throwing ,gymnastic, localised radiation therapy
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treatment Nearly all proximal humeral fx can be traeted
nonoperatively regardless age & grade Grade I & II: treated symptomaticlly without
attempt at reduction Grade III & IV: controversial - all agree <6month treated symptomatically -closed reduction (traction abductionforward
flextionexternal rotation (under fluoroscopic guidance )imobilization 2 to 3 weeks
occasionally reduction is lost or we cannot obtain adequate closed reduction existing deformity is accepted & managed symptomatically ( family reassurance )
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Operative treatment:
-intraarticular fx -open fx -neurovascular injury -polytraumatised
patient
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Complication of proximal humerus fx Rare 1- shortening (not important): more after
surgury or pathologic fx UBC 2-varus –valgus deformity 3-AVN 4-brachial & axillary nerve
injury(typically transient & return in< 6month ,if >3month EMG )
5-brachial artery disruption 6- hypertrophic scarring ( after
deltopectoral aproach axillary or ant.axillary incision better )
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Little league shoulder Also called proximal humeral epiphysiolysis,
osteochondrosis or traction apophysitis Is overuse injury most commonly in pitchers &
occasionally other overhead athletes. Nonspecific shoulderpain,often at beginningof the
season or after a significant change in training protocol
Tendernes along P.H physis ,painful or limited ROM Due to rotary torque Xray : normal or widening Of PHP /stress fx my be
present with methaphyseal lucency & periosteal new bon formation
Almost always respond to rest
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Clavicle The first bone to ossify & the
last physis to closed (medial )often not untile the 3rd decade
Clavicle fx is 8% to 15% of all pediatric fx
Most fx in middle third (76% to 85%)
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Mechanisem of fx Newbornduring delivery
Children & adolescents 1-fall on outstretched hand or side of
shoulder 2-direct blow ( most the lateral end
fx )
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Sign & symptom Newborn infants: -pseudoparalysis (mistakan for brachial plexsus inj.) -head turn toward fx ( to reduce pull of SCM) -asymetric moro reflex -edema
Older children: -
pain,tenderness,ecchymosis,edema,deformity,decreas motion,turninig head (attention to atlantoaxial subluxation)
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Radiographic evaluation Xray : -AP -serendipity view (40 degree cephalic tilt) for
medial clavicle injuy -stress view : for lateral end
CT scan :evaluation of medial clavicl inj. Or lateral
Sonography : dislocation of medial end in new born
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Classification of clavicle fx Type I : middele part (lateral to SCM
,medial to coracoclavicular lig.)
Type II : distal end ( lateral to CC lig.)
Type III : medial end (medial to SCM)
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Type II
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Type III Epiphysis of medial supported with SC
lig. & capsul physis unprotectedtrauma in children typically result in fx trough physis rather than dx of SCj in adult (salter fx type I or II)
This type classified : 1- ant (more frequent)
2- post (more serious)
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Treatment Neonate: asymptomatic: benign neglected symptomatic: sling & swatch 1-2weeks Children & adolescents: midshaft fx :- rarely need to reduction -bump of callus remodel within 6-
9month - comfortable 8 bandag or sling 1 to
4 (bandag not immobilize fx , comfort patient by holding shoulder back) -reduction only skin in jeopardy - open reduction: neurovasculr jnj. or open inj.
that is unstable following irrigation & debridment
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treatment of Medial physeal separation
Because a significant remodeling conservative treatment is the rule
If significant cosmatic deformity ,may attempt a closed reduction & often this inj. Are quiet stable after reduction , if lost we accept it
If posterior displacement is with airway, esophgeal or neurovascular impingment closed reduction or open reduction
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Treatment of lateral end All type I ,II,III can manag be
managed symptomticlly ( sling & harness)
Type IV,V,VI usually requier open reduction,often by repairing the periosteal sleeve ,( avoiding percutanous pins)
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Scapula fracture Scapular body fx are often comminuted
with multi direction line Infra spinatus portion is more more
frequntly fx Abundant muscleprevent displacement Scapular neck fx:if C.Clig & clavicle
intactdisplacement is minimal /// If this lig. Torn or if fx is lateral to coracoid process articular fragment displaced downward & inward bythe weight of limb
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Mechanism of scapular fx Most commonly direct trauma High energy trauma result in significant injury to adjacent structres
DIAGNOSIS: often delayed or missed Shuold be considered in upper thorasic or
arm trauma True AP xray is necessary CTscan is helpfull
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Treatment Vast majority of scapular fx managed
conservatively, directed toward patient comfort ( sling ,sling&swath,shoulder immobilizer)
Open reduction : 1- significantly displaced intra-articular fx
2-glenoid rim fx associated with subluxation of humeral head
3-unstabl fx through scapular neck including ipsilateral fx of neck & clavicle////displaced fx involving both the scapular spine & neck
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Fracture of proximal metaphysis & shaft of humerus More common inchildren than
adolescents
Less common in children than adult ,but as in adults ,are frequently associated with radial nerve injury
Are the second most common birth fracture
61% of all new fx in child abuse
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Mechanism of fx Proximal metaphysis: -usually high-energy direct trauma - minimal trauma suspicion of
pathologic fx (UBC & other benign tumor)
Shaft: -most direct force : like fall on the side of
arm (usually transvers or comminuted) -indirect force : fall on outstretched hand
(oblique or spiral fx)
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diagnosis Obvious deformity ,localized
swelling,pain clinical diagnosis straightforward
classificationLocation: proximal ,middle,distalPatteren:spiral ,short oblique ,transverseAnatomically:proximal to the pectoralis
major ,between it & deltoid ,below deltoid insertion
Ao –ASIF:interobserver variability
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Treatment Infants with obstetric fx : imoblization 1-3
weeks /// effort to control aligment are not necessary (remodelling potential is great)/// follow-up only for brachial plexus
Proximal humral fx :remodeling potential is great these fx rarely require more than symptomatic treatment (sling)
- occasionally percutaneous fixation (polytraumatized patient or open fx)
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Treatment Humeral shaft: -generally managed with closed technique -initially placed in a coaption splint 2-3weeks then
managed in sling or hanging arm cast -end to end aligment not necessary (overriding 1 to
1.5 cm can be easily accepted) -angulation more than 15-20 degree in either plan is
not desirable -rotational aligment should be maintain -clinical appearance is more important than
radiographic alligment -open reduction: polytraumatised patient or open fx
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