Abstract
Acute pancreatitis (AP) is an inflammatory condition of the pancreas with a clinical course hat varies from mild to severe, leading to activation of pancreatic enzyme and causing selfdigestion of the pancreas. The overall mortality rate of AP is 2–5%, but the mortality of severe acute pancreatitis (SAP) may range upto 20–30%. So it is important to assess the disease severity in a timely and accurate manner There are variety of score systems such as Ransom’s criteria[1], Acute Physiology and Chronic Health Evaluation (APACHE) II [2] and Computed Tomography Severity Index (CTSI). But these systems have their own distinct pros and cons. A new mortality based prognostic scoring system for use in acute pancreatitis has been derived and validated which was named the Bedside Index of Severity in Acute Pancreatitis (BISAP). The 5point BISAP score system incorporates the variables: Blood urea nitrogen level >25 mg/dl, Impaired mental status, Systemic inflammatory response syndrome (SIRS), and age > 60years, and presence of pleural effusion. Thus the BISAP score represents a simple way to identify patients at risk of increased mortality and the development of intermediate markers of severity within 24h of presentation.
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