enterocoque (APE 1) Flashcards

1
Q

réservoir

A

humain
animaux (zoonose)
bactérie commensale dans tractus GI

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2
Q

transmission

A

majoritairement endogène => dysbiose (bactérie déjà dans le tractus GI)

parfois personne à personne

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3
Q

facteurs risque

A
  • patients hospit longtemps avec ATB
  • immunosupprimés
  • avoir un objet étranger
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4
Q

ATB mettant à risque ++

A

céphalosporine: enterococcus résistamt

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5
Q

aérobie ?

A

anaérobie facultatif

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6
Q

température

A

10-46 ˚C

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7
Q

pH

A

4.6 @ 9.9

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8
Q

distribution

A

chaînes ou paires

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9
Q

flagelles?

A

non, immobile

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10
Q

capsule?

A

non

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11
Q

favorisé par la présence de quelles subst

A
  • haute conc en NaCl & sels biliaires
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12
Q

facteurs virulence

A
  • morphologie permet de rester dans env pendant longtemps:
  • adhésion tissus: pili, prot surface, glycolipide, gelatinase
  • biofilm
  • résistance ATB
  • oxaciline
  • céphalosporine
  • gène résistance acquis
  • aminoglycosides
  • vancomycine
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13
Q

immunité contre lui

A

influx rapide de neutrophiles
opsonisation

(patients immunosupprimés vulnérables ++)

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14
Q

infections

A

NOSOCOMIALES

  • urinaire après utilisation outils: cystite /pyélonéphrite
  • péritonéale (polymicrobien)
  • bactériémie
  • endocardite
  • infections plaies
  • prostatite
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15
Q

pq prostatite dure à traiter

A

biofilm protège

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