Table 2.
Microbiology
| All patients (n = 202) | No post-operative AKI (n = 82) | Post-operative AKI (n = 120) | P -value | |
|---|---|---|---|---|
|
Streptococci
|
84 (41.6) |
40 (48.8) |
44 (36.7) |
0.40 |
| Streptococcus bovis/gallolyticus |
14 (6.9) |
5 (6.1) |
9 (7.5) |
NA |
| Oral streptococci |
36 (17.8) |
19 (23.2) |
17 (14.2) |
NA |
| Pyogenic streptococcia |
15 (7.4) |
8 (9.8) |
7 (5.8) |
NA |
| Others Streptococcaceaeb |
19 (9.4) |
8 (9.8) |
11 (9.2) |
NA |
|
Staphylococci
|
56 (27.8) |
14 (17.1) |
42 (35.0) |
0.008 |
| Staphylococcus aureus |
38 (18.8) |
9 (11.0) |
29 (24.2) |
0.03 |
| Coagulase-negative staphylococci |
18 (8.9) |
5 (6.1) |
13 (10.8) |
0.16 |
|
Enterococcus faecalis
|
18 (8.9) |
6 (7.3) |
12 (10.0) |
0.68 |
|
HACEK group |
10 (4.9) |
6 (7.3) |
4 (3.3) |
0.66 |
|
Bartonella
species |
10 (4.9) |
6 (7.3) |
4 (3.3) |
0.34 |
|
Coxiella burnetii
|
3 (1.5) |
1 (1.2) |
2 (1.7) |
0.99 |
|
Others microorganisms
c
|
18 (8.9) |
9 (11.0) |
9 (7.5) |
0.55 |
| Negative culture bacteria d | 3 (1.5) | 0 (0) | 3 (2.5) | 0.39 |
aBeta-hemolytic streptococci (group A,B,C and G); bOthers streptococci: Streptococcus pneumoniae (n = 6), Peptostreptocccus (n = 2), Abiotrophia defectiva (n = 1), Gemella species (n = 3), Streptococcus acidominimus (n = 1), Streptococcus anginosus (n = 1), Streptococcus deficiens (n = 1), Streptococcus spp (n = 4); cOthers micororganisms: Serratia marcescens (n = 1), Klebsiella pneumoniae (n = 1), Proprionobacterium species (n = 5), Candida species (n = 1), Aspergillus species (n = 1), Campylobacter species (n = 1); others (n = 8); dFor the three patients with negative cultures, the direct examination revealed Gram-positive Cocci; HACEK, Haemophilus sp, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, Kingella kingae; NA, not applicable.