Cefalea Vascular Flashcards

1
Q

¿Qué mecanismos fisiopatológicos explican la migraña?

A

● Despolarización neuronal y glial cortical autopropagada: Aura, activa aferentes trigeminales y altera la BHE.
● Activación del sist. trigemino-vascuar→ inflm neurogenica→ dolor
● Sensitización: hiperestesias-nauseas

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2
Q

¿tiene rol la teoría vascular actualmente?

A

La Th. Vasular NO juega rol

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3
Q

¿Qué caracteriza una migraña?

A

Cefalea invalidante + nausea y/o fotofobia-hiperacusia

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4
Q

Líneas de tratamiento en SU

A
Si es Crónica: Dexa 
1º Línea: 
a) Proclorperazina o MCP o CZP, con Difenhindramina si aparece extrapiramidalismo, o 
b) MCP + Ketorolaco
2º Línea: Ac.Valp o Sumatriptan
3º Línea: ingresar para DHE
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5
Q

Dexametasona ¿cuál es su dosis y por qué de recomienda su uso?

A

Evita recurrencia temprana. Dosis 10-25 mg IV/IM

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6
Q

Manejo de migraña en caso de embarazada

A

PCT 1g EV + MCP 10mg EV

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7
Q

Proclorperazina: Dosis

A

0.1 - 0.15 mg/kg IV max 10mg

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8
Q

Metoclopramida (MCP): dosis

A

0,5 a 2mg/kg EV, máx 20mg /30’X 4

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9
Q

Clorpromazina: Dosis

A

0.1 - 1 mg/kg IV

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10
Q

Ketorolaco: Dosis

A

0,5 mg/kg IV o IM máx 30mg

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10
Q

Difenhindramina: Dosis

A

12.5-25mg/hr X 1-2 IV

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11
Q

Sumatriptan: Dosis

A

6 mg SC

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13
Q

¿En quienes no se puede usar dihidroergotamina?

A

vasculopatia isquemica

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15
Q

Dihidroergotamina: Dosis

A

1mg IV.

Asociar MCP 10mg IV

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