Jmcgh and Affiliates: Non-Urine Sites Only

Numbers are percent susceptible

 

Gram Negative Organisms

No. of

isolates

am/s

cz

fep

caz

cx

etp

gm

le

mer

tmp/

smx

Acinetobacter baumannii

51

 

75

-

57

63

-

-

82

59

55

63

Citrobacter freundii

14

-

0

100

100

100

100

100

100

100

-

Citrobacter koseri

14

-

67

100

67

100

100

67

67

100

-

Enterobacter aerogenes

12

-

0

100

100

100

100

100

100

100

100

Enterobacter cloacae

93

-

0

95

77

83

93

94

85

100

85

Escherichia coli

399

49

82

88

87

87

100

91

57

100

72

Klebsiella pneumoniae

136

78

88

90

90

90

99

96

92

100

90

Morganella morganii

41

0

0

100

71

94

100

71

35

100

29

Proteus mirabilis

211

75

91

93

93

93

99

83

46

96

53

Providencia stuartii

16

0

0

100

100

100

-

0

0

100

-

Pseudomonas aeruginosa

416

-

-

85

86

-

-

90

66

85

-

Serratia marcescens

77

-

0

100

100

100

100

100

93

100

-

Stenotrophomonas maltophilia

52

-

-

-

-

-

-

-

92

-

100

.

ESBL Isolates: Non-Urine Sites Only

 

organism

total # of organism isolates

esbl positive isolates

% esbl positive

Escherichia coli

399

50

13

Klebsiella pneumoniae

136

14

10

 

 

 

Comments:

          68% of Haemophilus infuenzae isolates were beta lactamase negative (113 isolates tested). Beta Lactamase negative indicates probable susceptibility to penicillin, ampicillin and 1st generation cephalosporins. Beta lactamase positive indicates probable resistance to ampicillin, amoxicillin and first generation cephalosporins. Recommended therapy is combination therapy or a third generation cephalosporin.

          97% of Moraxella (Branhamella) catarrhalis were beta lactamase positive (30 isolates tested). Beta lactamase positive indicates resistance to penicillin, ampicillin and first generation cephalosporins. Several beta-lactams are effective including beta lactam/Beta Lactamase inhibitory combinations, 3rd generation cephalosporins, macrolides, quinolones and trimethoprim/sulfamethoxazole.

          69 isolates of Salmonella species and 14 Shigella species were recovered. Susceptibility testing is not routinely performed on intestinal sites. Extraintestinal sites are tested against ampicillin, trimethoprim/sulfa and a third generation cephalosporin. Intestinal source isolates will be tested per telephone request.

          12 Campylobacter species were isolated in 2015.

          12 Giardia lamblia positive rapid antigens were confirmed in 2015.

          9 Cryptosporidium positive rapid antigens were confirmed in 2015.

          Beta hemolytic Streptococcus species have not demonstrated resistance to penicillin or ampicillin therefore susceptibility testing is not routinely performed. Of the Streptococcus agalactiae performed on isolates recovered from pregnant penicillin allergic women, 18 % were Clindamycin sensitive.

          Vancomycin resistant Enterococcus species are speciated and the Vancomycin MIC confirmed by alternative methods.