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  • Title: Diagnostic Value of Serum Amylase and Coagulation Function Indices in Distinguishing Acute Pancreatitis from Aortic Dissection.
    Author: Wang XW, Zhang YZ.
    Journal: Clin Lab; 2024 Sep 01; 70(9):. PubMed ID: 39257126.
    Abstract:
    BACKGROUND: Due to similar symptoms of abdominal pain, acute pancreatitis (AP) is often difficult to differentiate from acute aortic dissection (AAD) in clinical practice. It is unknown whether serum amylase and coagulation function indices can be used to distinguish AP from AAD. METHODS: In this retrospective study, 114 AP patients (AP group) and 48 cases with AAD (AAD group) admitted for acute abdominal pain were enrolled for a final analysis. The levels of serum amylase and coagulation function indices, including prothrombin time (PT), international normalized ratio (INR), activated partial thromboplastin time (APTT), fibrinogen (FIB), and D-dimer (DD), were tested before or on admission and compared between the two groups. Student's t-test was adopted for comparing the mean. Model discrimination was evaluated by using the area under the receiver operating characteristic curve (AUC). Comparison of AUC was performed by using the Z-test. RESULTS: Compared with the AAD group, amylase and FIB were both significantly increased, while DD was significantly lower in the AP group (all p < 0.01). There were no statistically significant differences of PT, INR, and APTT between AP and AAD (all p > 0.05). The AUCs in distinguishing AP from AAD were 0.913, 0.854, and 0.837 for amylase, FIB, and DD, respectively, but there were no significant differences observed among amylase, FIB, and DD (all p > 0.05). Finally, the cutoff values (specificity, sensitivity, and Youden index) in distinguishing between AP and AAD were 114 µ/L (80.70%, 95.83%, 0.765) for amylase, 2.62 g/L (76.32%, 85.42%, 0.617) for FIB, and 2.74 mg/L (95.61%, 62.50%, 0.581) for DD, respectively. CONCLUSIONS: Amylase, FIB, and DD can demonstrate accurate and reliable diagnostic values, suggesting that they are useful and potential biomarkers in distinguishing AP from AAD.
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