CM 12 - Hepatotoxicité Flashcards

1
Q

3 conclusion hepatotoxicité

A
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2
Q

***** Metabolisme de l’alcool:

1er transformation

2e transformation

Vitesse metabolisme fixe ?

A

1ere : cyp (reticulum endoplasmique) et adh (cytosol) roh en acetaldehyde toxique

2e : aldh (mitochondrie) tranforme acetaldehyde en acetate (innofencif)

Metabolisme fixe 7-10g/h par adh

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3
Q

Risque maladie du foie augmente a partir de combien de g/j

A
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4
Q

Facteurs de risque non-modifiables et modifiables

A
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5
Q

*** Dx hepatite associee a lalcool:

Cliniqubiochimique
Histo
Imagerie

A

AST plus grand que ALT donc ratio plus grand que 2

Ascite omi
Steatose, corps de mallory

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6
Q

*** index R toxicite medicamenteuse (cytotoxique va chelostatique)

A
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7
Q

*** Toxicite intrinseque vs idiosyncratique imprevisible vs idiosyncratique indirecte reaction immunitaire

Donner exemples

A
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8
Q

*** Toxicite intrinseque vs idiosyncratique imprevisible vs idiosyncratique indirecte reaction immunitaire

Donner exemples

A
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9
Q

Metabolisme tylenol

A
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10
Q

2 criteres de
Mauvais pronostic intox tylenol

A
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11
Q

Vrai ou faux : reaction idiosyncratique est un ddx dexclusion

A

Vrai

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12
Q

Cause la plus frequente de reaction idiosyncratique

A

Acide clavulanique (atteinte cholestatique), bon pronostic

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