Division of Epidemiology, Environmental and Occupational Health
Epidemiology Surveillance System
1995-1997 Report

Exhibit 22 :
Drug Resistance Profile in Major Gram Negative Bacilli Blood Isolates,
1995-1997


    Steno. maltophilia   Pseu. aeruginosa   Burk. cepacia   Flavo. mening.   Acin. baumannii  
Antibiotic Year %R n %R n %R n %R n %R n
  95 96.77% 31 77.78% 45 66.67% 9 100.00% 1 0.00% 3
Imipenem 96 100.00% 33 71.88% 32 85.71% 7 100.00% 3 33.33% 3
  97 100.00% 42 73.17% 41 60.00% 5 85.71% 7 46.15% 13
  95 84.00% 25 41.67% 36 14.29% 7 - - 50.00% 2
Aztreonam 96 89.29% 28 39.29% 28 50.00% 4 100.00% 3 100.00% 1
  97 90.91% 33 51.52% 33 60.00% 5 100.00% 7 100.00% 10
  95 18.52% 27 27.27% 44 0.00% 7 100.00% 1 100.00% 2
ceftazidime 96 40.00% 30 33.33% 27 0.00% 7 100.00% 1 0.00% 1
  97 53.66% 41 33.33% 39 20.00% 5 100.00% 7 71.43% 14
  95 64.29% 28 34.21% 38 33.33% 9 0.00% 1 100.00% 2
Piperacillin 96 66.67% 24 51.72% 29 0.00% 7 100.00% 3 - -
  97 54.55% 44 44.44% 36 20.00% 5 0.00% 7 83.33% 12
  95 30.30% 33 54.35% 46 30.00% 10 0.00% 1 100.00% 2
Ciprofloxacin 96 42.42% 33 63.64% 33 0.00% 7 66.67% 3 66.67% 3
  97 33.33% 48 75.00% 40 20.00% 5 0.00% 6 90.91% 11
  95 86.21% 29 59.52% 42 100.00% 10 100.00% 1 66.67% 3
Tobramycin 96 82.14% 28 55.88% 34 85.71% 7 100.00% 3 50.00% 4
  97 88.89% 45 58.97% 39 100.00% 4 100.00% 9 92.31% 13
  95 62.50% 32 57.14% 49 100.00% 10 100.00% 1 66.67% 3
Gentamicin 96 84.85% 33 62.86% 35 85.71% 7 100.00% 3 100.00% 4
  97 93.33% 45 83.72% 43 100.00% 4 100.00% 14 77.78% 9
  95 65.63% 32 38.64% 44 87.50% 8 100.00% 1 100.00% 3
Amikacin 96 90.91% 33 16.67% 30 100.00% 7 100.00% 3 50.00% 4
  97 86.36% 44 17.07% 41 100.00% 5 57.14% 7 76.92% 13
  95 3.45% 29 86.36% 22 0.00% 8 100.00% 1 66.67% 3
Trimethoprim/ 96 9.68% 31 90.00% 10 0.00% 2 0.00% 3 66.67% 3
Sulfamethoxazole 97 16.28% 43 96.15% 26 0.00% 4 25.00% 8 78.57% 14
n = Number of isolates tested for the specific antibiotic.            

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