Table 1

Microbiologic aetiology by IE type in 705 patients with left-sided infective endocarditis.

Microorganism

Native

Early

Prosthetic

Late

Prosthetic

Total


Streptococci


Streptococcus viridans group

132 (25)

3 (4)

21 (21)

156 (22)


Enterococcus spp

60 (11)

6 (9)

12 (12)

78 (11)


Streptococcus bovis

18 (3)

0

1 (1)

19 (3)


Streptococcus agalactiae

12 (2)

0

3 (3)

15 (2)


Others

21 (4)

0

3 (3)

24 (3)


Staphylococci


Staphylococcus aureus

106 (21)

11 (16)

12 (14)

137 (19)


Coagulase-negative Staphylococci

45 (8)

34 (50)

23 (23)

102 (15)


Gramnegative bacilli

14 (3)

1 (2)

1 (1)

16 (2)


HACEK Group

5 (1)

0

4 (4)

9 (1)


Brucella spp

12 (2)

0

0

12 (2)


Coxiella burnetii

12 (2)

0

6 (6)

18 (3)


Fungi

5 (1)

3 (4)

1 (1)

9 (1)


Other

12 (2)

4 (6)

4 (4)

20 (3)


Polymicrobial

19 (4)

0

0

19 (3)


Unknown

53 (10)

7 (10)

11 (11)

71 (10)


Total

534 (100)

69 (100)

102 (100)

705


Data are expressed as number of cases (%).

Gálvez-Acebal et al. BMC Infectious Diseases 2010 10:17   doi:10.1186/1471-2334-10-17

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