TABLE 1.
Molecular Typing Results of Clinical and Environmental Acinetobacter baumannii Isolates.
| Positive Clinical Culture (Pulsed-Field Type)a |
Positive-Environmental Culture (Pulsed-Field Type)b |
PFGE results* | Time (days) from Clinicala to Environmentalb Culture |
|
|---|---|---|---|---|
| 1 | Catheter Tip (3F) | Nurse call button (3F) | Identical | 10 |
| 2 | Bronchial (3K) | Infusion pump (3K) | Identical | 1 |
| 3 | Wound (5) | Supply cart (4E), Floor (3F) | Unrelated | 5 |
| 4 | Bronchial (3K) | Door knob, Infusion pump (3K) | Identical | 5 |
| 5 | Bronchial (6) | Supply cart (7) | Possibly related | 0 |
| 6 | Sputum (3F) | Infusion pump (3F) | Identical | 2 |
| 7 | Biopsy (3F) | Vital sign monitor (3G) | Closely related | 4 |
| 8 | Catheter Tip (9) | Supply cart (9) | Identical | 1 |
| 9 | Sputum (4A) | Ventilator (4A) Sink (4B) |
Identical Closely related |
1 |
| 10 | Sputum (3F) | Supply cart, Infusion pump (2 strains), Floor (3F) | Identical | 4 |
| 11 | Blood (3C) | Ventilator (3C) | Identical | 3 |
| 12 | Surveillance (8) | Vital sign monitor, supply cart, infusion pump, floor (3F) Ventilator (3A) |
Unrelated Unrelated |
23 |
| 13 | Bronchial (1A) | Floor (1B) | Closely related | 12 |
| 14 | Body Fluid (3H) | Floor, bedrails, supply cart, infusion pump, ventilator (3H) Door knob (3I) |
Identical Closely related |
15 |
| 15 | Sputum (3F) | Bedrails, Nurse call button, infusion pump (3F) Supply Cart (3J) |
Identical Closely related |
6 |
| 16 | Surveillance (4C) | Supply cart (4D) | Closely related | 2 |
| 17 | Wound (2) | Floor (2) | Identical | 6 |
| 18 | Sputum (4D) | Bedrails, Supply cart (4D) | Identical | 2 |
| 19 | Sputum (3A) | Nurse call button (3B) | Closely related | 3 |
| 20 | Surveillance (3D) | Supply cart, Ventilator (3D) Sink (3L), Bedrails (3E), Vital sign monitor (3F) |
Identical Closely related |
5 |
*
PFGE Results listed represent a comparison of the isolate identified in the environment to the patient isolate and are based on Tenover’s criteria