Antiagregantes Flashcards

1
Q

Fármacos antiagregantes

A

AAS, Clopidogrel, Tirofibán y Abciximab

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2
Q

En qué parte de la hemostasia actúan los diferentes fármacos?

A
  1. AAS y Clopidogrel en activación (paso 2)
  2. Abciximab y Tirofibán en agregación (paso 3)
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3
Q

MoA del AAS

A

Inhibidor irreversoble de COX (dosis bajas? inhibe síntesis de TXA2)

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4
Q

Indicaciones del AAS

A

Prevención de trombosis arterial, AIT y prótesis valvular

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5
Q

EA del AAS

A

Hemorragia GI

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6
Q

Dosis del AAS

A

Sx agudos? 160-325mg y en prevención secundaria 75-81mg

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7
Q

MoA del Clopidogrel

A

Bloquea receptores (P2Y12) de ADP

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8
Q

Indicaciones del Clopidogrel

A

Baja trombosis arterial en px con SCA (angina inestable, nSTEMI, STEMI)

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9
Q

EA del Clopidogrel

A

Aumenta riesgo de hemorragia, IBPs disminuyen activación

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10
Q

MoA del Abciximab

A

Ac monoclonal para GP2b/3a

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11
Q

MoA del Tirofibán

A

Antagonista reversible de GP2b/3a

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12
Q

Indicaciones Abciximab

A
  1. Previene trombosis en px intervenidos de angioplastía coronaria y con uso de endoprótesis vasculares
  2. Previene reestenosis vascular, reinfarto y muerte
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13
Q

Indicaciones Tirofibán

A

previene trombosis coronaria en angina inestable

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14
Q

EA del Abciximab y el Tirofibán

A

riesgo de hemorragia (GI, urinaria y endocraneal)

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