Coloides Flashcards

1
Q

Relacion de la presio oncotica con la albumina?

A

La albumina es responsable del 70-80% de la presion oncotica

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2
Q

Peso moleular de la albumina

A

Entre 66.300 y 66.900 Da (dalton)

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3
Q

Distribucion de la albumina

A

40% Intravascular

60% Intersticial

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4
Q

Valores normales de algumina

A

3.5-5g/dl

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5
Q

Que requisitos deben cumplir la soluciones coloideas?

A
  • Permancer en la circulacion durante un periodo razonable
  • Eliminarse por degradacion metabolica
  • Ausencia de otras acciones farmacologicas
  • Ausencia de efectos antigenicos
  • Ausencia de interferencia con la tipificacion sanguinea
  • Viscosidad adecuada para infusion
  • Mejorar la perfusion microvascular
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6
Q

Cuanto incrementa el volumen plasmatico con 1g de albumina

A

18ml``

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7
Q

Que tiempo permanece el 90% de la albumina en el plasma?

A

2horas

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8
Q

En que tiempo se equilibra la albumina intravascular y la extravascular?

A

7-10 dias

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9
Q

Soluciones coloides artificiales

A
  • Dextranos
  • Hidroxietil-almidon
  • Pentalmidon
  • Derivados de la gelatina
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10
Q

Que hacen los recuperadores de celulas?

A

Aspira globulos rojos, formando un paquete globular. No se recuperan plaquetas ni plsama

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11
Q

Problema de los recuperadores de celulas

A

Hemolisis

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