Non-fermenters

Question 1

Name the 4 Genera calssified as non-fermenters

Answer 1

1) Pseudomons aeruginosa
2) Acinetobacter spp
3) Stenotrophomonas maltophilia
4) Bulkhoderia spp

Question 2

Main microbological distinction between Pseudomonas spp & Acinetobacter spp?

Answer 2

Pseudomonas –> Oxidase (+)
Acinetobacter –> Oxidase (-)

Question 3

Clinical syndroms of Pseudomonas spp

Answer 3

1) pulmonary infections:
- VAP- ventilator associated pneumonia
- HA- pneumonia
3) Catheter UTIs& BSIs
4) skin and soft tissue infection:
- green blue wounds - with horrobile smell
- Ecthyma gangrenosum (BSO)
- Folliculitis “Hot tube”
5) Ear and eye infection: Otitis externa
6) Bactermeia and infective endocarditis (esp in IVDUs)

Question 4

Clinical syndroms of Acinetobacter spp

Answer 4

1) Pneumonia,
2) UTIs,
3)bacteraemia,
4) VAP,
5) surgical site

Question 5

Which nosocomial infections are assocaited with Acinetobacter spp and Pseudomonas spp

Answer 5

Pneumonia, UTIs, bacteraemia, VAP, surgical site

Question 6

Which patients are mostly affected by Bulkhoderia spp?

Answer 6

CF patient ( Bulkhoderia cepacia)
*CF: cystic fibrosis
( diabetic patients -Bulkhoderia pseudomallei)

Question 7

Diagnosis of Pseudomonas Aeruginosa

Answer 7

Gram (-) Motile bacilli , Oxidase (+), green-blue mucoid colonies ( with lemony smell), encapsulated, obligate anaerobe

Question 8

Diagnosis of Acinetobacter spp

Answer 8

Gram (-) coccobacilli, oxidase (-), aerobic

Question 9

Non-fermenters that casue Nosocomial infections?

Answer 9

Acinetobacter spp , Pseudomonas spp

Question 10

Identify the following clinical syndromes. What pathogen is responsible for this?

Answer 10

1- “hot tube “ folliculitis
2- Ecthyma gangrenoum
3- Burn wound infection (green colour with awful smell!)

CA: Pseudomonas aeruginosa

Question 11

Diagnosis of what agent?

Answer 11

Pseudomonas aeruginosa