Table 1: Clinical features and antimicrobial susceptibility of P. aeruginosa (Pa) strains.

Clinical evaluations

Pa CMC-097

Pa CMC-115

Fever

Yes (104.7 F)

Yes (101.1 F)

Cough

Yes

Yes

Sputum Production

Yes

Yes

Δ quantity/color

No

Yes

Increase O2 required

No

Yes

Infiltrate on CXR

No

No

Elevated WBC

Yes (11.2)

Yes (13.8)

Chronic Vent

Yes

No

Recent Pseudomonas Pneumonia

Yes (2 weeks PTA)

No

MDR Isolate

Yes

No

Alternative DX

Yes (PICC-line infection)

Yes (E. coli, UTI)

Assessment

Late Colonization or Chronic

Early Colonization Vs. Early Infection

Antimicrobial testing*

Susceptibility results and interpretation

Amikacin

16

Sensitive

< = 2

Sensitive

Ciprofloxacin

> = 4

Resistant

2

Sensitive

Gentamicin

> = 16

Resistant

< = 1

Sensitive

Meropenem

> = 16

Resistant

< = 0.25

Sensitive

Tobramycin

> = 16

Resistant

< = 0.25

Sensitive

Piperacilin/Tazobactam

> = 128

Resistant

< = 1

Sensitive

*MICs determined by using ASTGN45 card.