4.4.1.1 Stenotrophomonas maltophilia

Question 1

S. maltophilia is a contaminant of?

Answer 1

Blood drawing equipment

Question 2

Top 3 most opportunistic pathogens isolated?

Answer 2

1. E. coli
2. Citrobacter
3. Stenotrophomonas maltophilia (Most commonly isolated in Non fermenters)

Question 3

Other name for Stenotrophomonas maltophilia?

Answer 3

Pseudomonas maltophilia

Question 4

Clinical significance of S. maltophilia?

Answer 4

Pneumonia and bacteremia
Rarely meningitis and UTIs
Endocarditis: surgery and intravenous drug-users
Intrinsic resistance commonly used antibacterial agent

Question 5

(-): Oxidase
(+): Motile
(+): Catalase, DNAse
(+): Esculin and Gelatin hydrolysis
(+): Lysine decarboxylase

Answer 5

Stenotrophomonas maltophilia