In recent years, endoscopic sphincterotomy and stone extraction are standard procedures for the removal of bile duct stones. After procedures, there are some complications such as stone recurrence, papillary stenosis, cholangitis and liver abscess. These recurrent symptomatic bile duct stones, despite increasing experience and success with the procedure, occur in 4% to 24% of patients. Gallbladder stone, pneumobilia and many other various factors are known to be associated with CBD stone recurrence. Lithotripsy was also related to the development of recurrent stones. It is natural that small stone fragments left after lithotripsy may act as nidi for stone recurrence. Small remaining stone could not be completely detected only using ERCP stone removal and remaining stone removal can reduce residual and recurrent stones. Saline irrigation was effective immediately after ERCP stone removal to remove remaining small stones. Saline irrigation has many advantages such as easy to treatment during ERCP stone removal, almost no additional cost and rare side effect. This study The authors expect this study is a remarkable role of ERCP stone removal procedure.
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Retained CBD stones
Timeframe: From 3 to 6 months after procedure