Division of Epidemiology, Environmental and Occupational Health
Epidemiology Surveillance System
1998 Report

Exhibit 19 :
Imipenem-Resistant Gram-Negative Bacilli
Isolated from Blood Cultures, 1992-1998


  1992 1993 1994 1995 1996 1997 1998
Organism Name Frequency Frequency Frequency Frequency Frequency Frequency Frequency
Pseudomonas aeruginosa 42 40.38% 23 24.47% 29 28.43% 35 32.11% 23 25.00% 30 25.21% 50 37.31%
Pseudomonas stutzeri 1 0.96% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00%
Pseudomonas fluorescens 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.84% 3 2.24%
Pseudomonas spp. 1 0.96% 1 1.06% 0 0.00% 0 0.00% 0 0.00% 3 2.52% 2 1.49%
Stenotrophomonas maltophilia 28 26.92% 32 34.04% 31 30.39% 30 27.52% 33 35.87% 42 35.29% 33 24.63%
Burkholderia cepacia 6 5.77% 5 5.32% 5 4.90% 6 5.50% 6 6.52% 3 2.52% 4 2.99%
Burkholderia picketti 0 0.00% 0 0.00% 0 0.00% 0 0.00% 2 2.17% 0 0.00% 0 0.00%
Burkholderia pseudomallei 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.84% 0 0.00%
Flavobacterium meningosepticum 0 0.00% 0 0.00% 3 2.94% 1 0.92% 3 3.26% 6 5.04% 5 3.73%
Flavobacterium spp. 3 2.88% 0 0.00% 2 1.96% 3 2.75% 1 1.09% 2 1.68% 0 0.00%
Acinetobacter anitratus 0 0.00% 0 0.00% 1 0.98% 1 0.92% 2 2.17% 4 3.36% 0 0.00%
Acinetobacter lwoffi 1 0.96% 1 1.06% 1 0.98% 0 0.00% 0 0.00% 1 0.84% 0 0.00%
Acinetobacter baumannii 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 1.09% 6 5.04% 7 5.22%
Acinetobacter calcoaceticus 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 13 9.70%
Acinetobacter spp. 0 0.00% 0 0.00% 2 1.96% 1 0.92% 0 0.00% 3 2.52% 0 0.00%
Aeromonas hydrophilia 0 0.00% 0 0.00% 1 0.98% 1 0.92% 2 2.17% 0 0.00% 0 0.00%
Alcaligenes xylosoxidans 0 0.00% 0 0.00% 0 0.00% 0 0.00% 2 2.17% 0 0.00% 1 0.75%
Achromobacter xylosoxidans 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.84% 1 0.75%
Xanthomonas spp. 0 0.00% 0 0.00% 0 0.00% 1 0.92% 0 0.00% 0 0.00% 0 0.00%
Comamonas acidovora 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.75%
Proteus mirabilis 11 10.58% 16 17.02% 19 18.63% 15 13.76% 6 6.52% 4 3.36% 3 2.24%
Proteus vulgaris 0 0.00% 1 1.06% 0 0.00% 2 1.83% 0 0.00% 0 0.00% 0 0.00%
Serratia marcescens 2 1.92% 3 3.19% 0 0.00% 4 3.67% 1 1.09% 3 2.52% 1 0.75%
Morganella morganii 2 1.92% 2 2.13% 3 2.94% 2 1.83% 1 1.09% 1 0.84% 1 0.75%
Enterobacter cloacae 0 0.00% 0 0.00% 0 0.00% 2 1.83% 1 1.09% 1 0.84% 0 0.00%
Klebsiella pneumoniae 1 0.96% 3 3.19% 2 1.96% 3 2.75% 1 1.09% 2 1.68% 4 2.99%
Klebsiella ornithinolytica 0 0.00% 1 1.06% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00%
Klebsiella oxytoca 0 0.00% 1 1.06% 0 0.00% 0 0.00% 0 0.00% 1 0.84% 0 0.00%
Escherichia coli 1 0.96% 4 4.26% 0 0.00% 0 0.00% 5 5.43% 3 2.52% 3 2.24%
Salmonella spp. 0 0.00% 0 0.00% 1 0.98% 0 0.00% 0 0.00% 0 0.00% 0 0.00%
Providencia stuartii 3 2.88% 1 1.06% 2 1.96% 1 0.92% 2 2.17% 1 0.84% 1 0.75%
Providencia rettgeri 1 0.96% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.75%
Providencia penneri 1 0.96% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00%
Hafnia alvei 0 0.00% 0 0.00% 0 0.00% 1 0.92% 0 0.00% 0 0.00% 0 0.00%
Total 104 100.0% 94 100.0% 102 100.0% 109 100,0% 92 100.0% 119 100.0% 134 100.0%

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