Clinical Research
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 14, 2007; 13(2): 276-279
Published online Jan 14, 2007. doi: 10.3748/wjg.v13.i2.276
Table 1 Clinical characteristics of 48 patients undergoing ERCP
CharacteristicCiprofloxacin(n = 22)
None-ciprofloxacin(n = 26)
n%n%
Sex (M:F)13:959.1:40.911:1542.3:57.7
Age (mean ± SD yr)58.68 ± 13.761.08 ± 11.9
Causes
Bile duct stone731.81557.7
Cancer1359.11142.3
Cholangiocarcinoma627.3623.1
Periampullary cancer627.3519.2
Hepatocellular cancer14.500
Others29.1311.54
Bile duct stricture14.513.8
Pseudocyst14.500
Choledochal cyst0013.8
Chronicpancreatitis0013.8
Interventions
Stone extraction522.71350
Sphincterotomy1359.11453.8
Stent placement1672.71453.8
Table 2 Incidence of cholangitis and bacteremia in two study groups
ComplicationCiprofloxacin post-ERCP
Relative risk95% CI
Yes (n = 22)No (n = 26)
Cholangitis1 (4.5%)2 (7.7%)0.710.14-3.65
Bacteremia13 (59.1%)14 (53.8%)1.120.60-2.11
Table 3 Bacterial species in cultures of bile from 48 patients
Bacterial cultureAntibiotic (22)n (%)No antibiotic (26)n (%)P
Negative9 (40.9)12 (46.2)0.72
Positive13 (59.1)14 (53.8)0.72
Gram negative
E. coli4 (30.8)3 (21.4)0.81
Klebsella spp.2 (15.4)2 (14.3)0.73
Pseudomonas spp.2 (15.4)1 (7.1)0.88
Gram positive3 (13.6)9 (34.6)0.09
Streptococcus viridans34 (28.6)
Streptococcus bovis01 (7.1)
Enterococcus fecalis03 (21.4)
Staphylococcus spp.01 (7.1)
Non C. albican1 (7.7)0
Table 4 Bile and hemoculture in three cholangitis patients
GroupBacteriology
Bile cultureHemoculture
Antibiotic groupStreptococcus-viridansNegative
No antibiotic group
First patientE. coliNegative
Second patientPseudomonas spp.Negative