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KMID : 0614620080510010025
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Korean Journal of Gastroenterology
2008 Volume.51 No. 1 p.25 ~ p.33
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Analysis of the Factors that Affect the Mortality Rate in Severe Acute Pancreatitis
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Lee Beom-Jae
Kim Chang-Duck
Jung Sung-Woo
Kwon Yong-Dae
Kim Yong-Sik
Yim Hyung-Joon
Jean Yoon-Tae
Lee Hong-Sik
Kim Jae-Seon
Chun Hoon-Jai
Um Soon-Ho
Lee Sang-Woo
Choi Jai-Hyun
Ryu Ho-Sang
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Abstract
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Background/Aims: Severe acute pancreatitis occurs in about 20% of the patients with acute pancreatitis and can be associated with multiorgan failure and local complications. In patients with predicted severe acute pancreatitis, overall mortality rates are about 15-30%. The aim of this study was to determine the factors correlated with mortality in patients with severe acute pancreatitis.
Methods: We reviewed five hundread and seventy two consecutive cases of acute pancreatitis from January, 2000 to December, 2005. Of them, 109 patients who fulfilled the criteria of Atlanta classification for severe acute pancreatitis were enrolled. Data were collected by chart reviews including age, gender, etiology, body mass index (BMI), modified Glasgow score, APACHE II score, APACHE III score, Balthazar CT index, and other laboratory parameters performed within 48 hours after the initial admission.
Results: Severe acute pancreatitis was most commonly caused by alcohol. Overall mortality rate was 20.2% in severe acute pancreatitis and 10 (45%) deaths occurred within the first week. Multiple logistic regression analysis identified serum creatinine, corrected calcium concentrations, and CT index as predictors of mortality in patients with severe acute pancreatitis. The risk score (R) was calculated by combining 3 prognostic values with regression coefficients; R=2.512 loge (creatinine mg/dL)+1.729 loge (CT index)-4.780 loge (corrected calcium mg/dL). The AUC for this score was 0.877 and a cutoff level of 0 was determined to predict the mortality with 83.3% sensitivity and 89.5% specificity.
Conclusions: The newly designed risk score comprising 3 parameters can be used as the significant early predictor for hospital mortality in severe acute pancreatitis. (Korean J Gastroenterol 2008;51:25-33)
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KEYWORD
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Severe acute pancreatitis, Mortality rate, Prognostic factors
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