Calculator: Bedside Index of Severity in Acute Pancreatitis (BISAP) score in adults

		BUN >25 mg/dL (8.9 mmol/L) (1 point)
		Abnormal mental status with a Glasgow coma score <15 (1 point)
		Evidence of SIRS (1 point)
		Patient age >60 years old (1 point)
		Imaging study reveals pleural effusion (1 point)

Important: Inputs must be complete to perform calculation.

Total criteria point count:

BISAP score interpretation

0 to 2 points:	Lower mortality (<2%)
3 to 5 points:	Higher mortality (>15%)

Notes

SIRS is present when two or more of the following are found: 1) Temperature <36°C [96.8°F] or >38°C [100.4°F]; 2) respirations >20/min or PaCO₂ <32 mmHg; 3) heart rate >90/min; 4) WBC <4000/mm³ or WBC >12,000/mm³ or more than 10% bands found on blood smear.
Please see appropriate UpToDate topic reviews for further information.
BUN: blood urea nitrogen; SIRS: systemic inflammatory response syndrome; PaCO2: partial pressure of carbon dioxide; WBC: white blood cell count.

References

Wu BU, Johannes RS, Sun X, et al. The early prediction of mortality in acute pancreatitis: a large population-based study. Gut 2008; 57:1698.

Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

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All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.

Topic 15650 Version 10.0

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Calculator: Bedside Index of Severity in Acute Pancreatitis (BISAP) score in adults