| Summary: | Early diagnosis and severity evaluation in patients with acute pancreatitis (AP) are very important due to its potential morbidity and mortality. Several clinical, laboratory, and radiologic factors, and many scoring systems have been proposed for outcome prediction. Although the Ranson and Acute Physiology and Chronic Health Evaluation II scoring systems have been widely used for decades, the cumbersome components partly limit their predictability. Recently, the Bedside Index for Severity in AP scoring system and series blood urea nitrogen changes, which are simple and convenient to evaluate within 24 hours after admission, have been validated for accuracy by several large-cohort studies. The presence of organ failure and systemic inflammatory response syndrome are also helpful to evaluate the severity of AP. Herein we review recent advances of the predictive methods for AP to provide an up-to-date perspective on outcome assessment of AP.
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