Comparison of Papillary Balloon Dilatation Vs.Sphincterotomy for Lithotripsy in Difficult Sphincterotomy or Distal CBD Tapering

NCT00329888 · clinicaltrials.gov ↗

UNKNOWN

Status

OTHER

Sponsor class

Conditions

Choledocholithiasis

Interventions

PROCEDURE: Endoscopic papillary balloon dilatation
PROCEDURE: Endoscopic sphincterotomy

Sponsor

National Taiwan University Hospital