Fx de radio distal Flashcards

(38 cards)

1
Q

UX

A

fx mas comun en ux

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2
Q

porcentaje que le corresponde de todas las fx

A

20%

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3
Q

Porcentaje de intramedulares

A

50%
Puede complicar las fx

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4
Q

distribucion

A

adultos jovenes: alta enrgia
adultos mayores: baja energia

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5
Q

fibrocartilago triangular

A

articula con piramidal
parte media de semilunar
cabeza de cubito

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6
Q

funcion del fibrocartilago triangular

A

amortigua y transmite fuerzas y presiones que ejercen los huesos
80% radio
20% cubito

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7
Q

mecanismo de lesion mas comun

A

carga axial-extension (desplazamiento dorsal)

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8
Q

mecanismos de lesion

A

carga axial-flexion (desplazamiento volar)
mecanismos asociados (fx complejas)

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9
Q

lesion asocaida mas comun

A

lesiones en tejidos blandos

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10
Q

lesiones asociadas

A

ruptura de fibocartilago triangular 50%
lesiones condrales (35%)
ligamento escafosemilunar (18%)
ligamento lunopiramidal (14%)
tendon del extensor largo del pulgar (6%)

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11
Q

fx de colles

A

extrarticular dorsal

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12
Q

fx de smiteh

A

extraarticular volar

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13
Q

fx de Barton

A

fx-lx radiocarpal volar o dorsal

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14
Q

fx de Chauffeur (Hutchinson)

A

fx estiloides radial

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15
Q

fx die-Punche

A

fx deprimida de superficie semilunar

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16
Q

CC

A

dolor
edema deformidad

17
Q

CC fx de colles

A

deformidad en bayoneta o dorso en tenedor (dorsal)

18
Q

cc fx de smith

A

deformidad en pala (volar)

19
Q

Criterios rx inclinacion radial normal

20
Q

criterios radiologicos longitud radial normal

21
Q

criterios radiologicos inclinacion palmar normal

22
Q

criterios radiologicos varianza

A

2 mm (comparar lado opuesto)

23
Q

utilidad del TAC

A

si hay involucro articular
desplazamiento
conminacion

24
Q

tx conservador

A

reduccion cerrada + yeso

25
indicaciones de tx conservador
extraarticulares: <5 mm de acort. radial <5° cambio angular radial <1-2 mm desplazamiento articular
26
indicaciones de tx qx
inestabilidad: angulacion dorsal >20° acortamiento de radio >10 mm intensa conminucion
27
tx qx
enclavamiento percutaneo reduccion abierta + osteosintesis con placa (RAFI) fijacion externa: en expuestas y comlpejas
28
complicaciones inmediatas
lesion neurologica mediano 1-12% cubital: 0.6-4% lesion vascular <1%
29
complicaciones a mediano plazo
sd compartimental
30
complicaciones tardias
artrosis radiocarpal (5-30%) mala union no union <1%
31
AO A1
extraarticular cubito, radio intacto
32
OA A2
extraarticular sadio simple
33
OA A3
extraarticular radio multifragmentaria
34
AO B1
articular simple radio, coronal, dorsal
35
AO B2
articular simple radio, coronal, volar
36
AO C1
Articular compleja metafisiaria simple
37
AO C2
Articular compleja articular simple metafisiaria compleja
38
AP C3
Articular compleja multifragmentaria