Corticoesteroides Flashcards

1
Q

¿Donde son secretados los glucocorticoides?

A

Zona fascicular

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2
Q

95% del efecto glucocorticoide es mediado po…

A

Cortisol

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3
Q

Principales funciones de glucocorticoides

A

Meta de carbs
Meta de prot
Meta de lip
Estrés
Efectos antiinflamatorios

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4
Q

EA importante de uso de glucocorticoides

A

Hiperglucemia
Hipertensión
Inmunosupresión
Osteoporosis
Aumento de presión intraocular
Supresión de ACTH

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5
Q

Glucocorticoides favorece…

A

Gluconeogénesis

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6
Q

Glucocorticoides reduce…

A

Consumo c de glucosa
GLUT 4 (produce resistencia a la insulina)

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7
Q

Unión a prot de corticoesteroides

A

90% albúmina o CBS

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8
Q

Vd corticoesteroides

A

Alto

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9
Q

Metabolismo corticoesteroides

A

Enz oxidativas
Metabolitos en glucoronidaciones o sulfactaciones

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10
Q

Excreción corticoesteroides

A

Renal

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11
Q

Receptor intracel de corticoesteroides

A

HSP (+ común HSP90)

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12
Q

Efectos c. de corticoesteroides

A

Migración leucocitaria ↓
Estabilidad de memb lisosomales ↑
Fagocitosis ↓
Permeabilidad capilar ↓

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13
Q

Efectos bioquim de corticoesteroides

A

Inh PLA2
Expresión COX2 ↓
Producción NF-KB ↓
Interleucinas ↓

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14
Q

Indicaciones corticoesteroides

A

Tx de reemplazo adenocortical (Addison)
Enf inflamatorias crónicas
Reemplazo para hiperplasia adrenal congénita
Edema cerebral
Alergias
Inmunosupresores
Maduración pul
Manejo linfomas y leucemias (induce apoptosis de c. linfoides)

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15
Q

¿Como disminuir EA de corticoesteroides?

A

Limitar uso
Tx de d alternados
Aplicación local
Topar dosis
Suspensión gradual

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