Anticoagulantes Flashcards

1
Q

Heparina No Fraccionada: presentación

A

5000UI (50mg) / 1ml

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2
Q

HNF: Mecanismo

A

Acelera combinacion de antitrombina III con los fact. II, IX, X, XI y XII INACTIVANDOLOS

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3
Q

HNF: Posología

A
  • Tromboprofilaxis: 5000 UI/8-12h SC
  • TEP/TVP
    • 80 UI/kg (tope 5000), luego BIC a 18 UI/Kg/h (tope 1000) EV
    • 333 UI/Kg, luego 250 UI/Kg/12h SC
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4
Q

Heparinas de Bajo Peso Molecular: Dalteparina: Posología

A

• Tromboprofilaxis: 5000UI /dia SC
• TVP: 100UI/kg/12h o 200UI/kg/d SC
(Hasta 18000 UI/d)
• SCA SEST: 120UI/kg/12h SC (Hasta 10000UI/12h)

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5
Q

Fondaparinux: Mecanismo de acción

A

Unión a antitrombina III: inh. selectivo del FXa

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6
Q

Fondaparinux: Posología

A
• Tromboprofilaxis: 2.5mg/d x 5-9d SC (NO USAR si peso menor a 50Kg)
• TVP/TEP: 
- hasta 50Kg: 5mg / d SC
- de 50 a 100Kg: 7.5mg / d SC
- desde 100Kg: 10mg / d SC
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7
Q

Enoxaparina: Dosis

A

Tromboprofilaxis: 20-40mg /d SC

TEP / TVP: 1mg/kg / 12h o 1,5mg/kg / d SC

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8
Q

Acido Tranexamico: Mecanismo

A

Complejo reversible con Plasminogeno:

  • desplaza a la fibrina
  • inh. plasmina
  • inh. complemento
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9
Q

Acido Tranexamico: posología

A

30 - 50mg/kg / d fraccionado c / 6 - 8h

  • Trauma (CRASH-2) : 1g en 10’, luego BIC: 1g en 8h
  • HDA: 1g/8h EV x 2d, luego 1g/8h / 5d VO
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10
Q

Sulfato de Protamina: Mecanismo de Acción

A

Combinacion con hep 1:1, neutralizando el efecto anticoagulante de ambos

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11
Q

Sulfato de Protamina: Cinética

A

Cinetica: 5’ / 7’

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12
Q

Sulfato de Protamina: Posología

A

(no usar con Cef ni PNC)

  1. HNF
    - menos de 30’: 1-1.5mg/100UI
    - BIC: Total ultimas 2,5 h
    - 30-60’: 0.5-0.75mg/100UI
    - > 2h: 0.25-0.375mg/100UI
  2. Enoxaparina
    - menos de 8h: 1mg/100UI
    - > 8h: 0.5mg/100UI
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