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==Overview==
==Overview==
'''Ranson criteria''' is a [[clinical prediction rule]] for predicting the severity of [[acute pancreatitis]].
Ranson criteria may be used to predict the severity of acute pancreatitis. If the score >=3, severe pancreatitis is likely to be present.
==History==
==Ranson Risk Score Calculator==
It was introduced in 1974.<ref name="pmid4834279">{{cite journal |author=Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC |title=Prognostic signs and the role of operative management in acute pancreatitis |journal=Surgery, gynecology & obstetrics |volume=139 |issue=1 |pages=69-81 |year=1974 |pmid=4834279 |doi=}}</ref>
===Ranson criteria for predicting the severity of acute pancreatitis===
Ranson criteria was introduced in 1974. It is a [[clinical prediction rule]] for predicting the severity of [[acute pancreatitis]]. The criteria for point assignment is that a certain breakpoint be met at anytime during that 48 hour period, so that in some situations it can be calculated shortly after admission. It is applicable to both biliary and alcoholic pancreatitis.<ref name="pmid4834279">{{cite journal |author=Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC |title=Prognostic signs and the role of operative management in acute pancreatitis |journal=Surgery, gynecology & obstetrics |volume=139 |issue=1 |pages=69-81 |year=1974 |pmid=4834279 |doi=}}</ref>


==Usage==
{{#Widget:RansonScore}}
Parameters used:
 
At admission:
# age in years >55years
# white blood cell count > 16000/mcL
# blood glucose > 11 mmol/L (>200 mg/dL)
# serum AST > 250 IU/L
# serum LDH > 350 IU/L
 
After 48 hours:
# Haematocrit fall > 10%
# increase in BUN by 1.8 or more mmol/L (5 or more mg/dL) after IV fluid hydration
# hypocalcemia (serum calcium < 2.0 mmol/L (<8.0 mg/dL))
# hypoxemia (P<sub>O<sub>2</sub></sub> < 60 mmHg)
# Base deficit > 4Meq/L
# Estimated fluid sequestration > 6L
 
The criteria for point assignment is that a certain breakpoint be met at anytime during that 48 hour period, so that in some situations it can be calculated shortly after admission. It is applicable to both biliary and alcoholic pancreatitis.
 
For gallstone pancreatitis:
 
'''At admission:'''
# age in years > 70 years
# [[white blood cell]] count > 18000 cells/mm<sup>3</sup>
# [[blood glucose]] > 12.2 mmol/L (> 220 mg/dL)
# serum [[Aspartate_transaminase|AST]] > 250 IU/L
# serum [[Lactate_dehydrogenase|LDH]] > 400 IU/L
 
'''At 48 hours:'''
# [[Hematocrit]] fall > 10%
# Calcium (serum calcium < 2.0 mmol/L (< 8.0 mg/dL)
# Oxygen ([[hypoxemia]] P<sub>O<sub>2</sub></sub> < 60 mmHg)
# [[BUN]] increased by 1.8 or more mmol/L (5 or more mg/dL) after IV fluid hydration
# Base deficit (negative [[base excess]]) > 5 mEq/L
# Sequestration of fluids > 4 L
 
==Interpretation==
* If the score >=3, severe pancreatitis likely.
* If the score < 3, severe pancreatitis is unlikely
 
Or
*Score 0 to 2 : 2% mortality
*Score 3 to 4 : 15% mortality
*Score 5 to 6 : 40% mortality
*Score 7 to 8 : 100% mortality


=== Interpretation of Ranson criteria for predicting the severity of acute pancreatitis ===
*Score 0 to 2 : Severe pancreatitis is unlikely; 2% mortality
*Score 3 to 4 : Severe pancreatitis is likely; 15% mortality
*Score 5 to 6 : Severe pancreatitis is likely; 40% mortality
*Score 7 to 8 : Severe pancreatitis is likely; 100% mortality
==References==
==References==
<references/>
{{Reflist|2}}


[[Category:Medicine]]
[[Category:Gastroenterology]]
[[Category:Gastroenterology]]
[[Category:Risk calculator]]
[[Category:Up-To-Date]]
 
[[Category:Surgery]]
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[[Category:Emergency medicine]]
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[[Category:Calculator]]

Latest revision as of 23:56, 29 July 2020

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

Ranson criteria may be used to predict the severity of acute pancreatitis. If the score >=3, severe pancreatitis is likely to be present.

Ranson Risk Score Calculator

Ranson criteria for predicting the severity of acute pancreatitis

Ranson criteria was introduced in 1974. It is a clinical prediction rule for predicting the severity of acute pancreatitis. The criteria for point assignment is that a certain breakpoint be met at anytime during that 48 hour period, so that in some situations it can be calculated shortly after admission. It is applicable to both biliary and alcoholic pancreatitis.[1]

Ranson Criteria for the Severity of Acute Pancreatitis
Variable Score
On admission Age > 55 years old 1
WBC > 16,000/mcL 1
Blood glucose > 200 mg/dL (11 mmol/L) 1
Serum AST > 250 IU/L 1
Serum LDH > 350 IU/L 1
After 48 Hours Hematocrit fall > 10% 1
BUN rise by ≥ 5 mg/dL (≥ 1.8 mmol/L) after IV fluid hydration 1
Serum Calcium <8.0 mg/dL (< 2.0 mmol/L) 1
Hypoxemia (PO2 < 60 mmHg) 1
Base deficit > 4 meq/L 1
Estimated fluid sequestration > 6L 1
Ranson Score:
Interpretation:

Interpretation of Ranson criteria for predicting the severity of acute pancreatitis

  • Score 0 to 2 : Severe pancreatitis is unlikely; 2% mortality
  • Score 3 to 4 : Severe pancreatitis is likely; 15% mortality
  • Score 5 to 6 : Severe pancreatitis is likely; 40% mortality
  • Score 7 to 8 : Severe pancreatitis is likely; 100% mortality

References

  1. ↑ Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC (1974). "Prognostic signs and the role of operative management in acute pancreatitis". Surgery, gynecology & obstetrics. 139 (1): 69–81. PMID 4834279.
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