Any patient with chronic pancreatitis and pancreatic stones (5Â mm or more in diameter) undergoing P-ESWL who is at least 18Â years old, provides informed consent, and: |
Exclusion criteria |
 Contraindications to ESWL |
 Suspected or established malignancy |
 Pancreatic ascites |
 Receiving NSAIDs within 7 days |
 Contraindication to NSAIDs (including gastrointestinal hemorrhage within 4 weeks or renal dysfunction with serum creatinine > 120 μmol/L) |
 Presence of coagulopathy or received anticoagulation therapy within 3 days |
 Acute pancreatitis within 3 days |
 Known active cardiovascular or cerebrovascular disease |
 Unwilling or unable to provide consent |
 Pregnant or breastfeeding women |
 Being without a rectum (i.e., status post-total proctocolectomy) |