Indicadores bioquímicos Flashcards

1
Q

Rango de normalidad y vida media de albúmina

A

Normalidad: 3.5-5 g/dl
Vida media: 18-20 días

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2
Q

Rango de normalidad y vida media de prealbúmina

A

Normalidad: 16-40 g/dl
Vida media: 2-3 días

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3
Q

Rango de normalidad y vida media de transferrina

A

Normalidad: 250-400 g/dl
Vida media: 8 días

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4
Q

Rango de normalidad y vida media de proteína ligada al retinol

A

Normalidad: 2.7-7.6 g/dl
Vida media: 12 hrs.

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5
Q

¿Cómo se valora la proteína somática o muscular?

A
  1. Excreción urinaria de creatina (recolección de 24 hrs)
  2. Relación creatinina-talla (indica depleción muscular)
  3. 3-metil-histidina
  4. Balance nitrogenado
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6
Q

CONUT (Albúmina)

A

Normal –> >3.5
DL –> 3-3.49 2 ptos
DM –> 2.5-2.9 4 ptos
DS –> <2.5 6 ptos

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7
Q

CONUT (Colesterol)

A

Normal –> >180
DL –> 140-180 1 ptos
DM –> 100-139 2 ptos
DS –> <100 3 ptos

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8
Q

CONUT (Linfocitos)

A

Normal –> >1600
DL –> 1200-1599 1 ptos
DM –> 800-1119 2 ptos
DS –> <800 3 ptos

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9
Q

CONUT (Total)

A

Normal <2 ptos
DL –> 2-4 ptos
DM –> 5-8 ptos
DS –> 9-12 ptos

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10
Q

Fórmula del índice creatinina-talla

A

(Creatinina urinaria de 24 hrs/ creatinina teórica) * 100

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11
Q

Interpretación del índice creatinina-talla

A

60-80% depleción muscular
40-60% depleción protéica moderada
<40 % depleción protéica grave

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12
Q

Fómula de balance nitrogenado

A

BN=(IP/6.25)-(UN+4)

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13
Q

Cuando el catabolismo aumenta

A

Incrementa creatinina plasmática (daño renal)
Disminuye índice creatinina talla y creatinina urinaria
Hay depeleción muscular

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