cervical fracture
TRANSCRIPT
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LIGAMENTOS COLUMNA CERVICAL
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TIPOS de FRACTURAS (Holdsworth)
1
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FRACTURAS CERVICALES MAS FRECUENTES
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FRACTURA INESTABLE
SUBLUXACION ANTERIOR-POSTERIOR>4mm ANGULACION >11 grados COLAPSO CUERPO VERTEBRAL >25%
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HANGMAN FRACTURE
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HANGMAN FRACTURE
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ARTICULACIÓN ATLANTO-OCCIPITAL
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LUXACIÓN ATLANTO-OCCIPITAL
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FRACTURA CERVICAL POR FLEXIÓN
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WEDGE
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FACETAS ARTICULARES
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DISLOCACIÓN FACETARIA
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BURST
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BURST FRAGMENTO
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FRACTURAS C1-C2 Consideraciones generales La mayoría de las causas de las fracturas en C1-
C2 son causadas por accidentes automovilísticos y caídas.
Aproximadamente 1/3 de las lesiones de la columna cervical ocurren en C1-C2 y ½ en C5 a C7
La mayoría de las lesiones cervicales fatales se producen en C1-C2
La mayoría de las fracturas de la odontoides ocurren por flexión menos frecuente extensión con rotación.
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RX TRANSORAL
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INJURIA MEDULAR Lesión de la médula espinal Hay dos tipos de lesiones en la médula
espinal: No hemorrágico: sólo con hiperintensidad
de señal T2 como causa del edema en RMI.
Hemorrágica: con zonas de baja intensidad de señal dentro del área de edema T2.
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Existe una fuerte correlación entre la duración del edema de la médula espinal y la evolución clínica.
Sin embargo el factor más importante es la presencia ó no de hemorragia, ya que una lesión hemorrágica de la médula espinal tiene un resultado muy pobre. El cuadro de la izquierda muestra la recuperación motora en pacientes con edema solo (azul) frente a edema más hemorragia medular (rojo).
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PACIENTE 1
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PACIENTE 1
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PACIENTE 2
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PACIENTE 2
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PACIENTE 3
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PACIENTE 3
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PACIENTE 4
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PACIENTE 4
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PACIENTE 5 LUXACIÓN FACETARIA UNILATERAL
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PACIENTE 5UNILATERAL FACETAL LUXACIÓN
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PACIENTE 6
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PACIENTE 6
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