Effect of Continuously Coached Practice Using EMS on ERCP Performance of Trainees

Effect of Continuously Coached Practice Using EMS on ERCP Performance of Trainees: a Prospectively Randomized, Controlled Study

Previous studies have demonstrated that coached EMS practice at the beginning of ERCP training could improve the trainees' skill. However, it is not known whether continuously coached practice using EMS can provide additional benefit.

Inclusion Criteria:

• consecutive inpatients with naive papilla undergoing ERCP.

Exclusion Criteria:

• history of partial or total gastrectomy (Billroth I/II, Roux-en-Y);
• duodenal stricture (benign or melignant);
• ampullary carcinoma;
• previously failed selective cannulation;
• chronic pancreatitis with PD stone;
• minor papilla cannulation;
• servere diseases of heart, lung, brain and kidney;
• hemodynamical unstablility;
• pregnant women;
• refusal or unable to give written informed consent.