Table IV.
Microbiology results in patients with radiologically confirmed HAP
| Sample | No. |
|---|---|
| Sputum culture (N = 35) | |
| No growth | 5 |
| Commensals | 5 |
| Yeasts | 6 |
| Coliforms | 4 |
| Escherichia coli | 5 |
| Pseudomonas aeruginosa | 4 |
| Staphylococcus aureus (MSSA) | 5 |
| Staphylococcus aureus (MRSA) | 1 |
| Enterobacter cloacae | 1 |
| Klebsiella oxytoca | 1 |
| Aspergillus fumigatusa | 1 |
| Blood culture (N = 85)b | |
| No growth | 81 |
| Klebsiella pneumoniae | 1 |
| Staphylococcus aureus (MRSA) | 1 |
| Proteus mirabilis | 1 |
| Streptococcus pneumoniae | 1 |
| MRSA screen (N = 90) | |
| Positive | 5 |
| qPCR for respiratory pathogensc (N = 6) | |
| Any positive result | 0 |
HAP, hospital-acquired pneumonia; MRSA, meticillin-resistant S. aureus; MSSA, meticillin-susceptible S. aureus.
a
Single isolate, likely contaminant.
b
All patients with positive blood cultures at time of HAP diagnosis had negative blood cultures earlier in admission.
c
Influenza A, influenza B, respiratory syncytial virus, parainfluenza virus types 1–3, adenovirus, human coronaviruses 229E, HKU1, NL63 and OC43, human metapneumovirus, rhinovirus, and Mycoplasma pneumoniae.