Table 2 Microorganisms causing non-ventilator-associated ICU-acquired pneumonia in patients admitted to an ICU for severe acute exacerbation of chronic obstructive pulmonary disease
Microorganism | n (%) |
|---|---|
Gram-positive bacteria | |
Staphylococcus aureus | 8 (19.05) |
Methicillin susceptible | 6 (14.29) |
Methicillin resistant | 2 (4.76) |
Other Gram-positive microorganisms | 4 (9.52) |
Gram-negative bacteria | |
Escherichia coli | 7 (16.67) |
Susceptible to third-generation cephalosporin | 6 (14.29) |
Resistant to third-generation cephalosporin | 1 (2.38) |
Pseudomonas aeruginosa | 11 (26.19) |
Susceptible | 9 (21.43) |
Resistant to ticarcillin, ceftazidime, or penems | 2 (4.76) |
Haemophilus influenzae | 4 (9.52) |
Stenotrophomonas maltophilia | 4 (9.52) |
Citrobacter freundii | 1 (2.38) |
Enterobacter aerogenes | 3 (7.14) |
Enterobacter cloacae | 2 (4.76) |
Morganella morganii | 1 (2.38) |
Serratia marcescens | 2 (4.76) |
Other Gram-negative microorganisms | 1 (2.38) |
Cases without bacteriological documentation | 6 (14.29) |
More than one microorganism | 11 (23.91) |