Pseudomonas Aeuriginosa

<Bacteria> <Mico-Organisms>

<Index>

Features

- G- rod bacteria

- Aerobic

- Commonly found in soil & water & on plants & animals

- Opportunistic pathogen usually in immunocompromised hosts

- CF

- HIV/AIDS

- Burns

- Cancer

- Primarily nosocomial

- Produces pyoverdin (fluorescent) & pyocyanin (blue)

- Pyocyaneus sputum in pneumonia

Presentations

- UTI

- Pneumonia

- Dermatitis

- Folliculitis

- Wound infections

- Bacteraemia

- Otitis externa

- Kareatitis

- Septicaemia

- Osteomyelitis

- Septic arthritis

- Gastroenteritis

Dx by culture (pus, blood, tissue)

Mx

- Natural resistance to wide range of Abx

- Typically requires IV Abx or fluoroquinolones (Ciprofloxacin) oral

- Gentamicin (aminoglycosides)

- Some cephalosporins (Ceftazidime)

- Piperacillin, Ticarcillin (resistant to all other penicillins)

- Meropenem, Imipenem (Carbapenams)

- Polymyxins

- Monobactams