Table 2.
Study | Number of Patients | Number of Positive Stone Cultures N (%) | Most Common Organisms Isolated (%) |
---|---|---|---|
Korets R et al16,a | 198 | 33 (16) | 39 total microorganisms cultured |
33 positive stone cultures in 204 PCNLs | E coli — 9 (23) | ||
Enterococcus — 9 (23) | |||
Klebsiella — 7 (18) | |||
Margel D et al1 | 75 | 36 (48) | Enterococcus — 13 (36) |
E coli — 10 (27) | |||
Klebsiella — 4 (11) | |||
Mariappan P et al2 | 54 | 19 (35) | E coli — 5 (26) |
Coagulase-negative Staphylococcus — 5 (26) | |||
Proteus — 4 (21) | |||
Enterococcus & S faecalis — 1 (1.4) | |||
Mariappan and Loong6 | 73 | 25 (34) | E coli — 17 (68) |
Proteus — 5 (20) | |||
Klebsiella — 2 (8.0) | |||
Dewan B et al12,a | 70 | 33 (47) | 38 total microorganisms cultured |
Acinetobacter — 13 (34) | |||
Klebsiella — 11 (29) | |||
E coli — 4 (11) | |||
Gault MH et al10 | 207 | 12 (5.8) | Pseudomonas — 4 (33) |
Coagulase-negative Staphylococcus — 2 (17) | |||
E coli — 1 (8.3) | |||
Proteus — 1 (8.3) | |||
Staphylococcus & Enterococcus — 1 (8.3) | |||
Bratell S et al8 | 80 | 42 (53) | E coli — 14 (33) |
U urealyticum — 6 (14) | |||
P mirabilis — 5 (12) | |||
Hugosson J et al11,a | 215 | 64 (30) | 85 total microorganisms cultured |
E coli — 21 (25) | |||
Proteus — 17 (20) | |||
Staphylococcus — 8 (9.4) | |||
McCartney AC et al7 | 24 | 10 (42) | E coli — 2 (20) |
Pseudomonas — 2 (20) | |||
P mirabilis & E coli — 2 (20) | |||
Fowler JE Jr15 | 16 | 17/22 (77) | P mirabilis — 9 (53) |
22 total stone specimens as some patients had bilateral procedures | P aeruginosa — 2 (12) | ||
P mirabilis & S marcescens — 2 (12) | |||
Lewi HJ et al9 | 63 | 24 (38) | E coli — 9 (38) |
P mirabilis — 7 (29) | |||
P mirabilis & E coli — 5 (21) | |||
Dajani and Shehabi14 | 122 | 20 (16) | E coli — 6 (30) |
Pseudomonas — 5 (25) | |||
Coagulase-positive Staphylococcus — 3 (25) |
a In some stone cultures, more than one microorganism was cultured. This is why the total number of microorganisms does not equal the number of positive stone cultures.
PCNL, percutaneous nephrostolithotomy.