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. 2020 Nov 29;9(12):3879. doi: 10.3390/jcm9123879

Table 1.

Comparison of the approach routes.

DEHBD/D2 Route PEHBD/D1 Route LIHBD/S Route RIHBD/D1 Route
Scheme graphic file with name jcm-09-03879-i001.jpg graphic file with name jcm-09-03879-i002.jpg graphic file with name jcm-09-03879-i003.jpg graphic file with name jcm-09-03879-i004.jpg
Scope position Short Long Short Long
Scope stability Poor Good Mediocre Good
Needle handling Good Poor Good Poor
Bile duct diameter * Mediocre Good Poor Poor
GW manipulation Good Mediocre Mediocre Poor

* Affected by biliary disorders and the site of biliary obstruction. DEHBD/D2: distal extrahepatic bile duct/duodenal second part; PEHBD/D1: proximal extrahepatic bile duct/duodenal bulb; LIHBD/S: left intrahepatic bile duct/stomach; RIHBD/D1: right intrahepatic bile duct/duodenal bulb; GW: guidewire.