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Elevated venous lactate level as an early predictive marker of organ failure in acute pancreatitis: a retrospective
1Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China. xuchunfang@suda.edu.cn.
Objective:
The aim of this study was to elucidate the relationship between venous lactate levels and the severity of acute pancreatitis (AP).
Patients And Methods:
Retrospective data analysis was conducted on patients diagnosed with acute pancreatitis. The comparative assessment encompassed baseline characteristics, laboratory data, illness severity, local consequences, and organ failure instances. This comparison was performed between patients exhibiting normal serum lactic acid levels (HL) and those displaying elevated HL levels. The association between serum HL levels and other pertinent clinical markers was investigated using linear regression. Logistic regression analysis was employed to evaluate the utility of elevated serum lactate levels in identifying high-risk groups.
Results:
Significantly elevated serum HL levels were observed in patients with moderately severe acute pancreatitis (MSAP) and severe acute pancreatitis (SAP) in contrast to those with mild acute pancreatitis (MAP) (p<0.01). Multivariate logistic analysis demonstrated that higher lactate levels independently predicted organ failure (95% CI 0.738-0.902, p<0.05). Receiver operating characteristic (ROC) curve analysis indicated that the lactate (LAC) cut-off value of 2.45 mmol/L yielded sensitivity and specificity values of 76.5% and 79.1%, respectively, for predicting AP-associated organ failure. The corresponding area under the curve (AUC) was 0.820.
Conclusions:
In AP patients, elevated serum HL levels signify disease severity and hold predictive potential for assessing the risk of organ failure.
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