Ranson criteria
Gastroenterology and hepatology
Also known as: Ranson-Kriterien · Ranson kriterleri · Ranson criteria (acute pancreatitis)
What it is for
Eleven criteria assessed at admission and during the first 48 hours to grade the severity of acute pancreatitis; each criterion met gives 1 point.
Classification
| Category | Description |
|---|---|
| At admission | age over 55 years; white cell count above 16,000/mm³; blood glucose above 200 mg/dL (11.1 mmol/L); lactate dehydrogenase (LDH) above 350 IU/L; aspartate aminotransferase (AST) above 250 IU/L |
| Within 48 hours | haematocrit fall of more than 10 percentage points; blood urea nitrogen (BUN) rise of more than 5 mg/dL; serum calcium below 8 mg/dL (2.0 mmol/L); arterial PaO2 below 60 mm Hg; base deficit above 4 mEq/L; estimated fluid sequestration above 6 L |
| Interpretation | 3 or more criteria indicate severe acute pancreatitis |
| Limit | the full score is available only after 48 hours. |
Source
Prognostic signs and the role of operative management in acute pancreatitis
Surg Gynecol Obstet 1974;139:69–81 (Ranson JH et al.)
PMID: 4834279
- Edition
- Ranson 1974 (criteria for non-gallstone pancreatitis); a separate set for gallstone pancreatitis exists
- Checked on
Summary of the published classification in our own words. Not a substitute for the original publication.
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