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47 Cards in this Set
- Front
- Back
Colton type I
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Avulsion of Olecranon tip
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Colton II
Olecranon fracture |
Mid-groove (Intra-articular)
A-D from simple oblique->transverse->comminuted A & B Ok with tension band, C & D plating |
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Colton III
Olecranon fracture |
Fracture dislocations
More distal Brachialis pulls distal fragment ventrally |
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Colton IV
Olecranon fracture |
Comminuted fracture
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Tension band - olecranon fracture
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> 1-2 mm displacement + minimal fragmentation
70 % migration/prominent hardware |
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Plate fixation - olecranon fracture
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Oblique or comminuted
Long plate if type III |
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Radial head fracture
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Mason I - undislocated
Mason II - dislocated Mason III - comminuted caput radii Mason IV - III + dislocation/other fractures |
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Coronoid fractures
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Tip + < 50 % - conservative
> 50 % - ORIF Antermedial facet - O'Driscoll - ORIF |
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Proximal humerus fracture
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Neer: dislocated > 1cm (0.5 cm Tub. Majus) or > 45 degrees
2-part - ORIF 3-part - ORIF 4-part - hemiarthroplasty Valgus impaction Head split/dislocation > 8 mm calcar spared -> higher chance of preserved circulation |
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Supracondylar humerus fracture
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Flexion - rare
Extension type I - undisplaced type II - displaced, post. cortex contact type III - displaced, no bone contact type IV - same as III but periost broken If vascular compromise - reposition + reassess Child injury Complications: AIN most common (OK sign), PIN 2:nd |
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Holstein-Lewis fracture
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Distal 1/3 humerus fracture - more common with radial injury
Conservative treatment even in radial palsy, unless open/floating elbow/pathologic/polytrauma |
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Monteggia
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Fractured ulna, dislocated radial head
Type I - radii dislocated upwards Type II - radii dislocated downwards Type III - radii dislocated laterally Type IV - radius also fractured All ORIF Galeazzi/Monteggia - GRUM |
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Galeazzi
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Radial fracture and caput ulnae dislocated at DRU-joint
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DISI
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Carpal instability, angle between scaphoideum and lunatum > 70 degrees
Dorsal angle - triquetrum pulls Also ring sign over scaphoideum Causes: scaphoideum fracture, Kienbocks disease, scapholunar ligament disruption |
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VISI
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Volar DISI - carpal instability
SL angle < 30 degrees Scaphoideum pulls volarly Regular angle 30-60 degrees |
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Pipkin classification
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Femoral head fracture - related to hip dislocation
Pipkin I - Below lig. teres/fovea Pipkin II - Above lig. teres/fovea Pipkin III & IV - incl. lig. teres + fem. neck Assoc. with fractures acetabulum |
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Garden classification
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Garden I - incomplete fracture, valgus
Garden II - complete fracture - nondisplaced - no angulation in trabecular lines Garden III - incomplete displacement - varus, rotated Garden IV - completely displaced III-IV = displaced > 20 degrees posterior tilt is also a significant risk factor for reoperations (Palm et. al, 2009, Acta Orth.) |
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Tip-Apex Distance (TAD)
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Placement of the collum screw tip in femoral head should be < 25 mm from the apex for minimum risk of failure
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Femoral shaft fractures are associated with
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< 10 % have fem. neck fractures, commonly missed (50 %)
Should be treated with screws/plate + retrograde nailling if dislocated, if no dislocation then recon antegrade nailing is OK |
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Femoral nailing in supine position increases risk for
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internal rotation
compare with contralateral limb |
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Watson's test
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Scapholunar dissociation
Pressure over volar pole of scaphoideum when at the same time moving from ulnar deviation to radial deviation. Positive if pain + dorsal subluxation of scaphoideum |
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TFCC-injury
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Estimated that 1/3 have remaining symptoms
Common in assoc. with dist. radius fractures Test in: * maximum pronation - dorsal part * neutral and radial deviation - ulnocarpal ligaments * meximum supination - volar part |
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Pelvic injury
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Young & Burges classification:
* Lateral compression * Anteroposterior compression * Vertical shear + Combined ORIF if: > 2.5 cm symph. widening S1-lig. disruption (ant + post) Vertical instability Sacral fracture with > 1 cm displacement |
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Tscherne
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0: minimal violence, simple fractures
I: skin abrasion, larger ankle distorsion II: risk for compartment, ex. diafyseal tibia fracture when hit by a bumper III: major trauma, separation of subcutaneous fat, compartment, vascular injury etc |
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Gustillo Andersen
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Grade I: < 1 cm
Grade II: 1-10cm Grade III: > 10 cm _or_ high energy A - periosteal stripping but adequate tissue for coverage B - extensive periosteal stripping and requires flap C - vascular injury requiring vascular repair |
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Most common shaft fracture
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Tibia
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Nonoperative indications for diafyseal tibia fractures
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Low energy
< 1-2 cm shortening < 5 degrees varus/valgus < 10 degrees flexion/extension > 50 % cortical apposition |
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Reudi-Allgöwer
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Tibial plafond fracture
Type I - Nondisplaced Type II - Displaced Type III - Comminuted |
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Lauge-Hansen
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Ankle fractures
Supination-Adduction Supination-External (eversion) rotation (most common) Pronation-Abduction Pronation-External rotation Pronation-Dorsiflexion |
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One millimeter talar shift decreases
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40 % of tibiotalar contact area
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Sanders classification
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Based on coronal CT-scan
2-4 number of fracture fragments involving the posterior facet A-C higher letter the closer the fracture is to the medial side (sustentaculum tali) |
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Jefferson fracture
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Burst fracture of the C1
50 % without any significant neurologic involvement Intact tranverse ligament? - Atlas lateral border > 6.9 mm lateral of dens lateral border Typical of head hitting the roof during accident |
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Odontoid fractures
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Type I - avulsion of the alar ligament
Type II - fracture at the base of the process Type IIA - comminuted at the base Type III - extends into the body High rate of non-union II & IIA (fibrous union) Controversial with type II fractures: 2 mm fracture gap - ORIF > 5 mm displacement - ORIF Collar for I but for III no good evidence... |
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Hangman fracture
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C2 spondylolisthes fractures type I & IA acc. to Levine classification
Hyperextension Stiff collar |
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Chance fracture
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Anterior compression of the vertebra
Distraction + flexion mechanism - seatbelt injury > 17 % kyphosis -> indicative of post. lig. injury and surgery might be considered |
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Denis classification of the spine
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3 column theory - 2 columns = unstable
Anterior column - anterior 2/3 of vertebral body + anterior l.lig. Middle column - posterior 1/3 of vertebral body + posterior l.lig. Posterior column - pedicles, spinous processes, lig. flaxum, transverse process etc |
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Burst fractures - thoracolumbar - surgery indications
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> 30 degrees kyphosis (some say > 20 degrees)
> 50% loss of vertebral body height > 50% canal compromise incomplete cord injury |
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Böhler angle
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20-40 degrees
Between posterior facet ant the anterior line from tub. calcani and post. facet Decreased in both extra- and intra-articular calcanal fractures |
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Medial clavicle fracture
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5-8 % of clavicle fractures
ORIF if posterior - rare |
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Middle clavicle fracture
ORIF indications |
Strong: Open fracture, skin tenting
Debatable: > 2 cm shortening, no contact in two planes, intermediate fragment - Z-fragment |
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Lateral clavicle
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Neer type II A & B, V - ORIF
Affected coracoclavicle ligaments - 50 % non-union 10-15 % of all fractures |
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Proximal humerus fracture of valgus impaction type - treatment
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ORIF (Osteosutures)
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Comparing prox. humerus plating & nailing
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Plating: Screw cutout
Nailing: RCT-trouble, injury to radial nerve |
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Humerus fracture - surg. indications
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Open fracture, vascular injury, plexus injury
>20 degree valg/var. >30 degree flexion/extension Soft tissue interposition |
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Roger's line in supracondylar fracture
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Ventral line along humerus
If capitellum is behind the line > 30 degrees dislocation = ORIF |
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Tibial condyle fracture ORIF
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Shatzker IV-VI
> 3 mm depression > 5 mm widening Unstable in varus/valgus |
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Calcaneus fracture - tounge type
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ORIF acute due to risk of posterior skin problems
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