Anemia aplásica Flashcards

1
Q

def anemia aplásica

A

sx caracaterizado x pancitopenia vinculada a hipocel de la MO

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2
Q

en méxicoincidencia anemia aplásica

A

Asia incidencia es 3 veces +
México: 3.9 casos x millón,, niños 4.2, adultos 3.8

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3
Q

dos picos de incidencia anemia aplásica

A

15-25 años
60 años

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4
Q

epidemio anemia aplásica

A

+ hombres
jovenes de lejano oriente

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5
Q

patogenesis anemia aplásica

A

autoinmune
daño directo a CMH
infecciones
inflamación
desordenes clónales

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6
Q

causas anemia aplásica

A

Idiopatica
metamizol
Virus: Epstein barr, herpes, HIV

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7
Q

Cx anemia aplásica

A

proporcional a citopenias:
- sx anémico: disnea, fatiga, palidez
- Trombocitopenia: epistaxis, petequias, hematomas
- Neutropenia: infecciones

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8
Q

Dx anemia aplásica

A

HC
x descarte: drogas, químicos, virus, HPN, raras

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9
Q

Dx anemia aplásica

A

aspirado MO: sacar sangre de hueso
biopsia de hueso: como corcho

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10
Q
A
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11
Q

Dx anemia aplásica

A
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12
Q

Dx diferencial de anemia aplásica

A

fanconi anemia, reticular dysgenesis, etc.

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13
Q

asociación con sx de falla medular

A
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14
Q

clasificación anemia aplásica

A

AA no grave
AA grave
AA muy grave

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15
Q

AA no grave

A

no das tx
disminuye cel en MO y sangre periférica

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16
Q

AA grave

A

Das tx
Cel en MO <25%
dos de estos:
- neutrofilos <0.5 x10^9
- plaquetas <20 x 10^9
- reticulocitos < 20 x 10^9

17
Q

AA muy grave

A

das tx
todos los criterios grave + neutros <0.2 + 10^9

18
Q

tx de soporte

A

transfusional
tx infecciones
factores de crecimiento
andrógeno s
quebrantes de hierro