Contamination of the Surfaces of a Health Care Environment by Multidrug-Resistant (MDR) Bacteria
Table 1
Total number of screened equipment and surfaces and organisms detected.
Gram
Sampling site
Organism detected
Floor and wall (50)
Patient beds (46)
Bedside table (15)
Door/window handle (35)
Sinks and taps (10)
Hospital equipment (24)
Other items (20)
Total = 200
Gram + Total = 95 (48.5%)
S. coagulase negative
12
7
—
4
2
3
4
32 (16.3%)
Bacillus spp.
8
3
—
2
—
—
2
15 (7.7%)
S. aureus
12
11
4
10
—
6
4
47 (24%)
Streptococcus spp.
—
01
—
—
—
—
—
01 (0.5%)
Enterobacter spp.
2
7
1
4
1
3
1
19 (18.8%)
Klebsiella spp.
3
1
2
4
4
4
18 (9.2%)
Pseudomonas aeruginosa
3
6
—
2
2
2
3
18 (8.1%)
Serratia spp.
2
2
2
4
—
—
—
10 (5.1%
Proteus spp.
4
—
2
0
—
1
1
8 (4.1%)
Stenotrophomonas maltophilia
2
—
0
3
—
—
2
7 (3.6%)
Acinetobacter spp.
3
—
—
—
1
—
2
6 (3.1%)
Burkholderia cepacia
4
—
—
2
—
—
—
6 (3.1%)
Citrobacter spp.
1
—
—
—
1
3
—
5 (2.6%)
E. coli
—
1
1
—
—
—
—
2 (1%)
Aeromonas spp.
—
—
—
—
2
—
—
2 (1%)
Total = 196
56
39
12
35
9
22
23
196
Other items: objects that are not used directly to the patient such as scialytics, trolleys, and some closet; —, no detection of specified organism in this particular object; mixed growth of bacteria.