Non Fermenteur Flashcards

1
Q

Caracteristique non fermenteur

A

Retrouve dans eau, nouriture, plante
Peut etre flore normal
20% bacille neg son non fermenteur
Aerobi stricte
Pas de spores
Metabolise pas sucre
Infection nosocomiale

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2
Q

Plus commun

A

Pseudo.aeruginosa
Acinetobacter baumanii
Syenophomonas maltophilia
Burkholderia sp
Alcaligened faecalis

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3
Q

Organisme le plus important non fermenteur

A

Pseudo.aeruginosa

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4
Q

Groupe pseudo fluorescent inclue:

A

Speudo.fluorescens
Speudo.putida
Speudo.aeruginosa

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5
Q

Pigment speudo

A

Pyocyanin(bleu vert)
Pyoverdine(jaune,very et fluo)
Pyorubin(rouge brun)

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6
Q

Infection speudo.aeruginosa

A

Retrouver surtout cher immunocompromis
Fibrose kystique
Colonisation/Repetision
Folliculite (spa)
Grand bruler
Oreille du nageure(otite externe)

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7
Q

Speudo.fluo/putida infection

A

Infection respiratoire
Infection urinaire
Contamination produit cosmetique
Contamination equipement hospitaux

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8
Q

Represente 1-3% des infection nosocomial

A

Acinetobacter

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9
Q

Espece plus commune acinetobacter

A

A.baumanii
A.iwoffi (flore normal)

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10
Q

Stenotrophomonas maltophilia caracteristique

A

Ubiquitaire dans l’environement:eau,egout,plante
Contaminant equipement prise de sang
Colonise rapidement dans tractuse respiratoir
Cause:endocardite, infection plaie, cellulite,bacteriemie
Rare menigite et UTI

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11
Q

Burkholderia cepacia complex caracteristique

A

Ubiquitaire
Resiste desinfectant
Biofilm apareil respiratoire,catheter
Augmente severiter fibrose kystique
Cause:endocardite, UTI, osteomyelite, dermatite, plaie du a eau contaminer, melioidose
Agent bioterrorisme
Zoonotique

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12
Q

Alcaligenes faecalis caracteristique

A

Uniquitaire
Immunocomprimer
Peut etre isoler dans le sang, echantillon respiratoir et urine

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13
Q

Haute resistance antibio

A

Alcaligenes faecalis
Burkholderia cepaciae
Stenotrophpmonas maltophilia

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14
Q

Non fermenteur son des:

A

Aerobies stricts

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15
Q

Fermentateur:

A

E-coli

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16
Q

Oxydatif:

A

Pseudomonas

17
Q

Assacharolytique:

A

Alcaligenese

18
Q

Role pseudo F agar

A

Differencier espece de speudomonas
Detecte production fluoresceime

19
Q

Resulta pseudo F

A

Pos: jaune vert fluo
Neg: aucune croissance ou leger noir

20
Q

Speudo P role

A

Defferencier especes de pseudomonas
Detecte la pyocaynine

21
Q

Pseudo P resulta

A

Pos: pigment bleu vert
Neg aucune croissance

22
Q

Gelose cetremide role

A

Milieu diff/selec pour speudomonas aeruginosa

23
Q

Gelose cetremide resulta

A

Couleur vert bleu si pos pour pseudo.aeruginosa

24
Q

Milieux selectif burkholderia cepacia (BCSA) agent selectif et diff

A

Selectif:violet crystal, polymyxine B, gentamicine, vancomycine
Diff: sucrose, lactose
Indicateur pH rouge phenol

25
Majoriter non-fermentant sont oxydase..
Pos
26
Test de base pour ID non-fermenteur
Colo-Bneg Oxydase Glucose Mobiliter API NE 24h API 20E 48h
27
Pseudo resulta
B- Aerobie strict Croissance sur Mac Oxydase+ Produit pigment Speudo F+= fluorscein Speudo P+=aeruginosa Si neg=cetremide
28
Acinetobacter ID
Cocobacille G- Oxydase- Cata+ Non mobile Caspsule
29
Stenotrophomonas maltophilia ID
B- Oxydase- Cata+ Dnase,esculine,gelatine=+ LDC+
30
Burkholderia cepacia ID
Oxydase+ LDC+ ONPG+ Nitrate-
31
Burkholderiaa pseudomallei ID
Mobiliter+ Cata+ Uree- Oxy+ ADH+
32
Alcaligenes faecalis ID
Uree+ Nitrate- Esculine- Gelatine- LDC-