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27 November 2019 : Clinical Research  

Plasma D-Dimer Level Is an Early Predictor of Severity of Acute Pancreatitis Based on 2012 Atlanta Classification

Guang-Quan Zhang1BCEF, Gang Wang1DEG, Le Li1BCD, Ji-Sheng Hu1CF, Liang Ji2CF, Yi-Long Li1B, Feng-Yu Tian1B, Bei Sun1AF*

DOI: 10.12659/MSM.918311

Med Sci Monit 2019; 25:9019-9027

Abstract

BACKGROUND: Acute pancreatitis (AP) is a common digestive disorder. Its management depends on the severity; therefore, it is essential to stratify AP patients early. D-dimer, a coagulation indicator, appears to be associated with the pathogenesis of AP. The aim of this study was to evaluate D-dimer as an early predictor of the severity of AP.

MATERIAL AND METHODS: This was a single-center retrospective study of 1260 patients diagnosed based on the revised Atlanta classification. Only patients hospitalized within 24 h of onset were included, and 334 patients were enrolled. Blood was collected at admission and 3 times within 48 h of admission. Values at admission and average of the 3 blood samples were evaluated by univariate and multivariate analyses. Furthermore, the area under the receiver-operating characteristic curve (AUC) was used to estimate the validity of the predictor and to define optimal cut-off points for prediction.

RESULTS: We found that 53.3% of the patients had mild AP (MAP), 24.3% had moderately severe AP (MSAP), and 22.4% had severe AP (SAP). D-dimer at admission and the average D-dimer could distinguish MAP patients from MSAP and SAP patients, with cut-off values of 3.355 mg/L and 4.868 mg/L, respectively. No difference in the parameters at admission was observed in multivariate analysis in distinguishing SAP from MSAP, but the average D-dimer level was significantly different with a cut-off value of 7.268 mg/L by comparing Ranson score, APACHE II score, and D-dimer level.

CONCLUSIONS: The average value of D-dimer levels could be used as a predictor of severity of AP. In general, patients with an average D-dimer level <4.868 could be diagnosed with MAP, >7.268 would develop into SAP, and between 4.868 and 7.268 would be MSAP.

Keywords: Clinical Laboratory Techniques, Predictive Value of Tests, APACHE, Fibrin Fibrinogen Degradation Products, Plasma, ROC Curve, Severity of Illness Index

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750