Pneumocoque Flashcards

1
Q

Classification bactériologique

A

Diplocoque GRAM+

Streptocoque particulier : Streptococcus pneumoniae

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2
Q

Réservoir

A

Commensal de l’arbre respiratoire supérieur

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3
Q

Facteurs de risques

A

Immunodépression
Ages extrêmes
Cirrhose
Splénectomie

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4
Q

Infections locales

A
Exacerbation de BPCO 
Otite moyenne aigue 
Sinusite
Conjonctivite 
Pneumonies franches lobaires
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5
Q

Infection à distance

A

Méningites

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6
Q

Facteurs de virulence

A

Capsule polysaccharidique

Centaines de types immunologiques

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7
Q

Prélèvement

A
LCR 
Pleurésie 
Pus de l'otite moyenne aigue 
Hémocs
LAB

Pas d’ECBC

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8
Q

Culture

A

Milieux riches en sang frais
Anaérobiose

Sensible à l’optochine

Test antigénurique des urines et du LCR

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9
Q

Résistance

A

Antibiogramme ++

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10
Q

Traitement

A

Pneumonie : Amoxicilline à dose classique

Méningite: C3G

Otite moyenne aigue ; Amoxicilline à forte dose

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