Fx de radio distal Flashcards

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

A

20°

20
Q

criterios radiologicos longitud radial normal

A

10 mm

21
Q

criterios radiologicos inclinacion palmar normal

A

10°

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
Q

indicaciones de tx conservador

A

extraarticulares:
<5 mm de acort. radial
<5° cambio angular radial
<1-2 mm desplazamiento articular

26
Q

indicaciones de tx qx

A

inestabilidad:
angulacion dorsal >20°
acortamiento de radio >10 mm
intensa conminucion

27
Q

tx qx

A

enclavamiento percutaneo
reduccion abierta + osteosintesis con placa (RAFI)
fijacion externa: en expuestas y comlpejas

28
Q

complicaciones inmediatas

A

lesion neurologica
mediano 1-12%
cubital: 0.6-4%
lesion vascular <1%

29
Q

complicaciones a mediano plazo

A

sd compartimental

30
Q

complicaciones tardias

A

artrosis radiocarpal (5-30%)
mala union
no union <1%

31
Q

AO A1

A

extraarticular
cubito, radio intacto

32
Q

OA A2

A

extraarticular sadio simple

33
Q

OA A3

A

extraarticular radio multifragmentaria

34
Q

AO B1

A

articular simple
radio, coronal, dorsal

35
Q

AO B2

A

articular simple
radio, coronal, volar

36
Q

AO C1

A

Articular compleja
metafisiaria simple

37
Q

AO C2

A

Articular compleja
articular simple metafisiaria compleja

38
Q

AP C3

A

Articular compleja
multifragmentaria