Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2013; 19(12): 1936-1942
Published online Mar 28, 2013. doi: 10.3748/wjg.v19.i12.1936
Table 1 Patient characteristics and indications for endoscopic retrograde cholangiopancreaticography
ERCP with V-scope/V-systemConventionalERCP
Examinations (n)2524
Age, median (range), yr57 (33–83)57 (19–96)
Sex (male/female)8/178/16
Hepaticolithiasis45
Biliary strictures (benign/malignant)7 (4/3)5 (4/1)
Chronic pancreatitis1212
Pancreatic tumour22
Table 2 Objective and subjective score results from comparison of endoscopic retrograde cholangiopancreaticography using the V-scope with conventional endoscopic retrograde cholangiopancreaticography
ERCP with V-scope/V-systemConventional ERCPP value
Objective results
Total interventions (n)5047
Bougienage bile ducts76
Bougienage pancreas28
Endoprosthesis insertion2416
Extraction of biliary concrements109
Extraction of pancreatic concrements33
Bile duct biopsy10
Nasobiliary catheter12
Partial guidewire dislocation13
Loss of guidewire10
Examination time (min), median (range)29 (5–50)31 (7–90)0.28
X-ray time (min), median (range)5.87 (0.6–14.15)6.12 (1.67–18.85)0.48
X-ray dose (cGy/m2), median (range)1351 (159–5039.2)1296 (202.3–6421)0.34
Premedication dose (mg), median (range)
Midazolam7 (0–11.5)6.75 (0–11.5)0.33
Pethidine100 (0–200)100 (0–200)0.48
Propofol0 (0–720)0 (0–490)0.42
Diazepam0 (0–10)0 (0–15)0.33
Adverse events (n patients, % of each group)
Abdominal pain > 24 h without inflammation1 (4)3 (12.5)0.59
Cholangitis13 (12)4 (16.7)0.77
Post-ERCP pancreatitis21 (4)3 (12.5)0.59
Perforation00
Subjective score results
Endoscopy assistants (n = 4), median (range)
Overall performance of ERCP3 (1–8)2 (1–7)0.51
Hygienic aspects of ERCP3 (1–6)3 (1–7)0.33
Endoscopists (n = 2), median (range)
Overall performance of ERCP3 (1–8)3 (1–7)0.47
Position to papilla3 (1–7)4 (1–7)0.29
Difficulty of ERCP, median (range)2 (1–2)2 (1–3)0.49