Chronic Pancreatitis
Also known as: chronic pancreatitis · CP
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ACG Clinical Guideline: Chronic Pancreatitis
ACG · 2020
The American College of Gastroenterology's guidance on chronic pancreatitis, written for the general gastroenterologist. It covers how the diagnosis should be established, how ongoing abdominal pain should be approached, and how the long-term consequences of the disease — malabsorption, diabetes and cancer risk — should be monitored and treated. It reflects a shift toward identifying the underlying disease process earlier rather than waiting for advanced structural change.
- Diagnosis rests on cross-sectional imaging first, with endoscopic ultrasound and MRI/MRCP reserved for cases where CT is not conclusive. source
- Pancreatic enzyme replacement is advised for patients with exocrine insufficiency to counter malnutrition; its value for pain alone is not established. source
- For pain from an obstructed duct, endoscopic therapy is generally attempted before surgery, with surgery considered when endoscopy fails or anatomy favours it. source
- Stopping alcohol and tobacco is treated as a core disease-modifying intervention, not merely lifestyle advice. source
- Patients need ongoing surveillance for diabetes, fat-soluble vitamin and bone-density deficits, and the elevated risk of pancreatic cancer. source
UEG evidence-based guidelines for the diagnosis and therapy of chronic pancreatitis (HaPanEU)
United European Gastroenterology (UEG) · 2017 · HaPanEU
UEG's HaPanEU guideline provides European recommendations on diagnosing and treating chronic pancreatitis (note: chronic rather than acute), built from systematic reviews and graded with GRADE.
US vs EU key differences
- The two documents differ in scale as much as in content: the European HaPanEU guideline is a sprawling consensus product of 12 working parties issuing 101 recommendations agreed by Delphi voting, while the ACG guideline is a much more compact, focused recommendation set published three years later in 2020. source
- Diagnostic imaging strategy diverges: the European guideline treats CT, MRI and EUS as broadly equivalent entry points, letting local availability, invasiveness and cost drive the choice, whereas ACG sets a strict sequence of CT or MRI first-line with EUS held back for cases still in doubt after cross-sectional imaging. source
- Both accept secretin-stimulated MRCP as a problem-solving test, but the European document is the one that quantifies the payoff, citing a rise in sensitivity for chronic pancreatitis from roughly 77% to 89%, and it names EUS as the single most sensitive technique in early-stage disease. source
- On exocrine insufficiency the European guideline is far more operational, mandating screening at diagnosis and annually thereafter and giving fecal elastase-1 cut-offs (above 500 micrograms per gram excludes, below 200 suggests insufficiency), while the ACG recommendation for enzyme replacement is framed conditionally around correcting malnutrition rather than around test thresholds or surveillance intervals. source
- Both conclude surgery beats endoscopy for durable pain relief in obstructive disease, but they sequence it differently: ACG positions surgery as what to do after first-line endoscopic drainage has failed, whereas the European guideline argues for early surgery within about three years of symptom onset on the strength of better long-term pain and quality-of-life outcomes. source
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