Editorial
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2011; 17(1): 1-6
Published online Jan 7, 2011. doi: 10.3748/wjg.v17.i1.1
Table 1 Comparison of currently available single and dual operator cholangioscopies
Endoscopists neededImage qualityTip deflectionSimultaneous irrigation and instrumentationFragility
Single operator (SpyGlass)OneModerate - good4 way (up/down, left/right)YesNo1
Dual operator
Fiberoptic cholangioscopiesTwoModerate - good2 way (up/down)NoYes
Video cholangioscopiesTwoExcellent2 way (up/down)NoYes
Table 2 Common factors associated with failed biliary stone removal during endoscopic retrograde cholangiopancreatography
Patient factors
Abnormal anatomy
Prior surgery
Extremely J-shaped stomach
Large hernias
Malrotations
Unstable or difficult endoscope position
Short duodenal bulb
Abnormal anatomy
Long duodenoscope position
Bile duct abnormalities
Presence of ductal strictures
Severely dilated ducts
Stone factors
Size
Large size
Location
Intrahepatic
Cystic duct
Proximal to strictures
Impacted stones