Shigella Flashcards

1
Q

Classification bactériologique

A

Bacilles à GRAM -

Entérobactéries

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2
Q

Espèces

A

S. dysenteriae : flambées épidémiques
S. flexneri : Pays en développement
S. boydii et S. sonnei : Pays industrialisés

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3
Q

Réservoir

A

Homme

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4
Q

Contamination

A

Interhumaine direct

Péril fécal

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5
Q

Durée d’incubation

A

24 à 72 h

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6
Q

Symptômes

A

Brutal

DA, vomissement, épreintes, diarrhée
Selles glairo-sanglantes, purulentes, hémorragiques
Fièvre, AEG

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7
Q

Physiopathologie

A

Envahissent les cellules épithéliales intestinales + muqueuse recto-colique

= Inflammation et destruction des tissus

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8
Q

Facteurs de virulence

A

Plasmide de virulence

Shiga-toxine : Syndrome hémolytique er urémique

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9
Q

Diagnostic

A

PCR

Copro

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10
Q

Traitement

A

Réhydratation

Fonction de l’antibiogramme

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11
Q

Prévention

A

Hygiène

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