Table 3 Results of EPLBD in the treatment of large common bile duct stones

Mean size of dilating balloon (mm)

13.2 ± 2.2 (11-20)

Mean duration of dilating procedure (min)

4.7 ± 0.7 (2-6)

Pancreatic duct visualization

66 (26.7%)

Number (rate) of mechanical lithotripsy

39/247 (15.8%)

Treatment success (first session)

202/247 (81.8%)

   (second session)

27

   (total)

229 (92.7%)

Adverse events

3/247 (1.2%)

   Pancreatitis (mild)

2/247 (0.8%)

   Cholangitis (mild)

1/247 (0.4%)

Incidents: Intra-procedure bleeding

6/247 (2.4%)

Procedure-related mortality

0

Follow-up duration ≧ 6 months

172/247

Mean duration of follow-up (months)

30.2 ± 20.2

Number of recurrent CBDS

25

Mean duration to recurrence (months)

27.1 ± 17.9