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Table 1 Microbial agents and resistance pattern of culture positive cases (n = 142)

From: Evolving trends in infective endocarditis in a developing country: a consequence of medical progress?

Organism

n

%

Sensitive to

Methicillin

Vancomycin

Staphylococcus spp.

58

40.8

  

 Staphylococcus aureus spp.

48

33.8

  

  MSSA

44

31.0

44

  MRSA

4

2.8

0

4

 MRCoNS

10

7.0

0

10

   

Penicillin

Vancomycin

Streptococcus spp.

51

35.9

  

 Viridans group

41

28.9

40

  Strep. mutans

3

2.1

3

  Strep. godonii

5

3.5

5

  Strep. oralis

3

2.1

3

  Strep. mitis

8

5.6

7

1

  Strep. sangunis

6

4.2

6

  Strep. angiosus

1

0.7

1

  Strep viridans-NOS

15

10.6

15

Other streptococcus

10

7.0

10

   

Ampicillin

Cephalosporin

HACEK group

11

7.7

  

 Haemophilus parainfluenza

5

3.5

2

5

 Haemophilus influenza

1

0.7

1

1

 Haemophilus aphrophilus

2

1.4

0

2

 Cardiobacterium species

1

0.7

0

1

 Aggregatibacter species

1

0.7

0

1

 Eikenella species

1

0.7

0

1

   

Ampicillin

Vancomycin

Enterococcus group

13

9.2

  

 Enterococcus faecalis

5

3.5

2

3

 Other Enterococcus spp.

8

5.6

7

1

  Enterococcus sp. NOS

6

 

6

0

  Enterococcus gallinarum

1

 

1

  Enterobacter sp.

1

 

Gentamycin/Ciprofloxacillin

1

Fungal

3

2.1

 

 Candida parapsilosis

1

 

Caspofungin

 Aureobasidium species

1

 

Amphotericin

 Candida tropicalis

1

 

Fluconazole, Voriconazole

Other GPB

3

2.1

 

 Propionibacterium acnes

1

 

Penicillin, Ampicillin, Erythromycin.

 Abiotrophia defectiva

1

 

Penicillin, Cephalosporin.

 Corynebacterium

1

 

Vancomycin

Other GNB

3

2.1

 

 E. coli

1

 

Ampicillin, Cephalosporin, Ciprofloxacin

 Klebsiella pneumonia

1

 

Penicillin, Cephalosporin

 Providencia sp.

1

 

Ampicillin, Cephalosporin, Gentamycin, Bactrim

  1. MRCoNS methicillin-resistant coagulase-negative staphylococcus, NOS not otherwise specified, MSSA methicillin-sensitive Staphylococcus aureus, MRSA methicillin-resistant Staphylococcus aureus, NA not applicable