Evaluation of the BISAP scoring system in prognostication of acute pancreatitis - A prospective observational study.
Severe acute pancreatitis has a high mortality and its early identification is important for management and risk stratification. The bedside index for severity in acute pancreatitis (BISAP) is a simple scoring system done at admission which predicts the severity of pancreatitis. Procalcitonin is an inflammatory marker which is raised very early and helps in early prediction of the severity of disease. This study aims to evaluate the BISAP score and Procalcitonin in prognostication of acute pancreatitis.
A prospective observational study of 60 patients presenting with acute pancreatitis was done at XXX Medical College and Hospital from July 2015 to June 2016. BISAP, APACHE-II, Ranson criteria, and CT severity index (CTSI) of all patients were calculated. Procalcitonin card test was done for all patients. The patients were stratified according by BISAP score and procalcitonin positivity into categories of severe pancreatitis, organ failure and pancreatic necrosis, as well as the number of deaths. The comparison of BISAP with other scoring systems, Procalcitonin (PCT), C-reactive protein (CRP), hematocrit, and body mass index (BMI) was done by the area under the receiver-operating curve (AUC) to prediction of severe acute pancreatitis, organ failure, necrosis, and death.
Of the 60 patients, 14 (23.3%) developed severe acute pancreatitis, 11 (18.3%) Organ failure, 21 (35%) pancreatic necrosis and 7 (11.6%) died. A BISAP score of ≥3 was a statistically significant cutoff value. AUCs for predicting severe pancreatitis and death of BISAP were 0.875 and 0.740respectively, similar to those for Ranson criteria (0.802, 0.763) and APACHE-II (0.891, 0.769) and greater than AUCs for CTSI (0.641, 0.554). The AUC for prediction of organ failure were 0.906, 0.833, 0.874 and 0.623 for BISAP, Ranson criteria, APACHE-II, and CTSI respectively. AUCs for PCT predicting severity, organ failure, and death were 0.940, 0.923 and 0.769 respectively were similar to BISAP but greater than those for CRP (0.755, 0.719, 0.693), hematocrit (0.540, 0.570, 0.550), and BMI (0.493, 0.523, 0.497).
The BISAP predicts severity, organ failure and death, in acute pancreatitis very well.It is as good as APACHE-II but better than Ranson criteria, CTSI, CRP, hematocrit, and BMI. PCT is a promising inflammatory marker with prediction rates similar to BISAP.
Hagjer S
，Kumar N
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Comparison of the BISAP scores for predicting the severity of acute pancreatitis in Chinese patients according to the latest Atlanta classification.
The bedside index of severity in acute pancreatitis (BISAP) is a new, convenient, prognostic multifactor scoring system. As there were no studies designed to validate this system according to the latest Atlanta classification in China and more data are needed before clinical application, we compared BISAP, the Acute Physiology and Chronic Health Evaluation (APACHE) II and Ranson scoring systems in predicting the severity, pancreatic necrosis and mortality of acute pancreatitis (AP) using the latest 2012 Atlanta classification in a tertiary care center in China.
The medical records of all patients with AP admitted to our hospitals between January 2010 and June 2013 were reviewed retrospectively. Severe AP was defined as the persistence of organ failure for more than 48 h. The capacity of the BISAP, APACHE II and Ranson's score system to predict severity, pancreatic necrosis and mortality was evaluated using linear-by-linear association. The predictive accuracy of the BISAP, APACHE II and Ranson's score was measured as the area under the receiver operating characteristic curve (AUC).
Of 155 patients enrolled in the study, 16.7% were classified as having severe AP, and six (3.2%) died. There were statistically significant trends for increasing severity (P < 0.001), PNec (P < 0.001) and mortality (P < 0.001) with increasing BISAP. The AUC for severity predicted by BISAP was 0.793 (95% confidence interval [CI] 0.700-0.886), APACHE II 0.836 (95% CI 0.744-0.928) and by Ranson score was 0.903 (95% CI 0.814-0.992). The AUC for PNec predicted by BISAP was 0.834 (95% CI 0.739-0.929), APACHE II 0.801 (95% CI 0.691-0.910) and by Ranson score was 0.840 (95% CI 0.741-0.939). The AUC for mortality predicted by BISAP was 0.791 (95% CI 0.593-0.989), APACHE II 0.812 (95% CI 0.717-0.906) and by Ranson score was 0.904 (95% CI 0.829-0.979).
BISAP score may be a valuable source for risk stratification and prognostic prediction in Chinese patients with AP. A prospective and multicenter validation study is required to confirm our results and further our recognition of BISAP scores in AP.
Zhang J
，Shahbaz M
，Fang R
，Liang B
，Gao C
，Gao H
，Ijaz M
，Peng C
，Wang B
，Niu Z
，Niu J
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