Optimal Timing of Endoscopic Intervention in the Treatment of Chronic Pancreatitis.
Conditions
Interventions
- PROCEDURE: time interval between ESWL and ERCP is 12h
- PROCEDURE: time interval between ESWL and ERCP is greater than 12h
- DRUG: morphine, buprenorphine, pethidine, tramaldol, metamizole and acetylsalicylacid (Analgesics)
Sponsor
Changhai Hospital