Research Article

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.

GramSampling site
Organism detectedFloor 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 negative127423432 (16.3%)
Bacillus spp.832215 (7.7%)
S. aureus12114106447 (24%)
Streptococcus spp.0101 (0.5%)
Enterobacter spp.271413119 (18.8%)
Klebsiella spp.31244418 (9.2%)
Pseudomonas aeruginosa36222318 (8.1%)
Serratia spp.222410 (5.1%
Proteus spp.420118 (4.1%)
Stenotrophomonas maltophilia20327 (3.6%)
Acinetobacter spp.3126 (3.1%)
Burkholderia cepacia426 (3.1%)
Citrobacter spp.1135 (2.6%)
E. coli112 (1%)
Aeromonas spp.22 (1%)
Total = 1965639123592223196

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.