The Use of Guide Wire in Biliary Cannulation: Angled or Straight Tipped Guide Wire?

The Use of Guide Wire in Biliary Cannulation: Angled or Straight Tipped Guide Wire?

The purpose of the study is to prospectively evaluate the deep biliary cannulation in ERCP with the angled tipped guide wire or the straight tipped guide wire.

Patients coming to ERCP examination are being divided randomly to two different groups. The deep biliary cannulation is started with predetermined guide wire. If the cannulation does not succeed in two minutes, the procedure is continued as normal.

Inclusion Criteria:

• the need for ERCP assessed by a specialist in gastrointestinal surgery

Exclusion Criteria:

• prior sphincterotomy
• age under 18
• age over 90
• contrast media allergy
• inability to give informed consent