trombocitopenia inmune primaria Flashcards

1
Q

enfermedad adquirida caracterizada por cuenta de plaquetas disminuida a menos de ———- ml (normal de 150-400) en ausencia de una causa identificable o factores predisponentes

A

100,000 ml
trombocitpenia inmune primaria/ purpura

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2
Q

porque es util el frotis de sangre periferica

A

para confirmar que haya plaquetas bajas

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3
Q

el diagnotico es por-….

A

exclusión

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4
Q

fisiopatologia

A

Producción de autoanticuerpos en contra de las glicoporteinas IB/IX y IIB/IIIA

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5
Q

criterios para iniciar tratamiento

A

plaquetas <20-30 mil
se inicia tx con corticoesteroides

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6
Q

plaquetas entre 20 y 50 mil

A

no se recomienda tx en ausencia de hemorrafia
solo si: se va a hacer una cirugia invasiva o el estlo de vida predisponga a traumatismos

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7
Q

plaquetas mayores a 50,000

A

no esta indicado tx solo so hay cirugia del SNC u ocular

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8
Q

V/F es una enf dificil de controlar

A

verdadero

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9
Q

ciclosporinas

A

inmunosupresores que atacan a los linfocitos y los destruyen

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10
Q

anti CD154

A

destruye a linfocitos y ya no ataquen a plaquetas

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11
Q

anti CD20

A

destruye el cd20 de linfocitos B solamente y ya no ataca plaquetas

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12
Q

plasmaféresis

A

remueve todos los anticuerpos del plasma y ya no hay destruccion plaquetaria

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