Aspergillus spp. Flashcards

1
Q

Aspergillus es un hongo…

A

Filamentoso saprobio

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2
Q

Aspergillus crece y forma…

A

Micelios

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3
Q

Caracteristicas de micelios de aspergillus

A

Hifas septadas/tabicadas
Ramificación dicotómica 45º
Cabezas conidiales

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4
Q

Cabezas conidiales IMAGEN

A
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5
Q

Aspergillus es la micosis filamentosa…

A

Sisntémica/invasiva + común

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6
Q

Donde hay aspergillus

A

+ frec en fresas
En suelos
En contrucciones

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7
Q

Aspergillus en inmunocompetentes

A

Alergia y colonización

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8
Q

Patogenia de aspergillus

A

Llegan a alvéolos
Angioinvasivos
Germinan 4-6 hrs
Temp óptima de 37º

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9
Q

¿Cuantas conidias inhalamos al día?

A

100 - 1000 por ser ambiental

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10
Q

¿Quién se encarga de remover conidias en alvéolos?

A

Mø y c. ciliadas

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11
Q

Angioinvasividad de aspergillus

A

Buscan vasos sanguineos para diseminarse
- Con enz (elastasa, fosfolipasas, proteasas y catalasas)

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12
Q

Mayor riesgo a enf por arspergillus

A

Px en quimioterapia
- Neutropenia

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13
Q

Dx de aspergillus

A

Sospecha clínica
Imagen
A.g.
- Galactomananos
Cultivo

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14
Q

Tx de aspergillus

A

Con azoles 100 días
Qx

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