Skip to main content

Table 2 Microbiology

From: Incidence, risk factors and prediction of post-operative acute kidney injury following cardiac surgery for active infective endocarditis: an observational study

  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
  1. 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 .