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

Exhibit 16 :
Amikacin-Resistant Gram-Negative Bacilli Blood Isolates,
1992-1998

  1992 1993 1994 1995 1996 1997 1998
Organism Name Frequency Frequency Frequency Frequency Frequency Frequency Frequency
Stenotrophomonas maltophilia 19 30.65% 23 41.82% 29 28.71% 21 25.00% 30 37.04% 38 35.85% 35 30.17%
Pseudomonas aeruginosa 11 17.74% 12 21.82% 28 27.72% 17 20.24% 5 6.17% 7 6.60% 13 11.21%
Pseudomonas alcaligenes 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.86%
Pseudomonas paucimobilis 1 1.61% 0 0.00% 0 0.00% 0 0.00% 1 1.23% 0 0.00% 0 0.00%
Pseudomonas fluorescens 0 0.00% 1 1.82% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.86%
Pseudomonas spp. 1 1.61% 2 3.64% 0 0.00% 1 1.19% 0 0.00% 3 2.83% 2 1.72%
Bordetella bronchiseptica 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.94% 0 0.00%
Burkholderia cepacia 6 9.68% 8 14.55% 8 7.92% 7 8.33% 7 8.64% 5 4.72% 3 2.59%
Burkholderia picketti 0 0.00% 0 0.00% 1 0.99% 1 1.19% 2 2.47% 1 0.94% 0 0.00%
Burkholderia pseudomallei 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.94% 0 0.00%
Alcaligenes xylosoxidans 2 3.23% 0 0.00% 7 6.93% 5 5.95% 4 4.94% 6 5.66% 3 2.59%
Flavobacterium meningosepticum 0 0.00% 0 0.00% 3 2.97% 1 1.19% 3 3.70% 4 3.77% 3 2.59%
Flavobacterium spp. 3 4.84% 1 1.82% 3 2.97% 4 4.76% 1 1.23% 3 2.83% 1 0.86%
Acinetobacter baumannii 0 0.00% 0 0.00% 0 0.00% 3 3.57% 2 2.47% 10 9.43% 12 10.34%
Acinetobacter anitratus 0 0.00% 1 1.82% 2 1.98% 2 2.38% 2 2.47% 0 0.00% 0 0.00%
Acinetobacter lwoffi 2 3.23% 0 0.00% 1 0.99% 1 1.19% 0 0.00% 1 0.94% 1 0.86%
Acinetobacter calcoaceticus 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.86%
Acinetobacter spp. 0 0.00% 2 3.64% 1 0.99% 0 0.00% 1 1.23% 1 0.94% 0 0.00%
Aeromonas hydrophilia 0 0.00% 0 0.00% 0 0.00% 1 1.19% 0 0.00% 1 0.94% 0 0.00%
Plesiomonas shigelloides 1 1.61% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00%
Achromobacter xylosoxidans 0 0.00% 0 0.00% 2 1.98% 0 0.00% 1 1.23% 0 0.00% 4 3.45%
Xanthomonas spp. 0 0.00% 0 0.00% 0 0.00% 1 1.19% 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 0.86%
Agrobacterium radiobacter 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.86%
Empedobacter brevis 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 0.86%
Klebsiella pneumoniae 6 9.68% 4 7.27% 8 7.92% 11 13.10% 10 12.35% 17 16.04% 28 24.14%
Klebsiella oxytoca 0 0.00% 0 0.00% 0 0.00% 0 0.00% 1 1.23% 1 0.94% 0 0.00%
Morganella morganii 0 0.00% 0 0.00% 2 1.98% 1 1.19% 0 0.00% 0 0.00% 0 0.00%
Serratia marcescens 2 3.23% 0 0.00% 0 0.00% 1 1.19% 2 2.47% 0 0.00% 0 0.00%
Proteus mirabilis 1 1.61% 0 0.00% 4 3.96% 1 1.19% 1 1.23% 1 0.94% 1 0.86%
Proteus vulgaris 0 0.00% 0 0.00% 0 0.00% 1 1.19% 0 0.00% 0 0.00% 0 0.00%
Enterobacter aerogenes 1 1.61% 0 0.00% 0 0.00% 1 1.19% 0 0.00% 0 0.00% 1 0.86%
Enterobacter cloacae 2 3.23% 0 0.00% 0 0.00% 0 0.00% 4 4.94% 2 1.89% 0 0.00%
Enterobacter amnigenus 0 0.00% 0 0.00% 1 0.99% 1 1.19% 0 0.00% 0 0.00% 0 0.00%
Escherichia coli 2 3.23% 1 1.82% 0 0.00% 0 0.00% 1 1.23% 3 2.83% 3 2.59%
Providencia stuartii 1 1.61% 0 0.00% 1 0.99% 1 1.19% 3 3.70% 0 0.00% 0 0.00%
Citrobacter freundii 1 1.61% 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 1.19% 0 0.00% 0 0.00% 0 0.00%
State Total 62 100.00% 55 100.00% 101 100.00% 84 100.00% 81 100.00% 106 100.00% 116 100.00%

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