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  • Title: Diagnostic value of plasmin-α2-plasmin inhibitor complex in patients with malignant tumor and venous thromboembolism.
    Author: Liu J, Wang F, Wang Y, He SS, Wang YY, Wei LH.
    Journal: Hippokratia; 2023; 27(2):37-40. PubMed ID: 39056098.
    Abstract:
    OBJECTIVE: We aimed to evaluate in this study the diagnostic value of the plasmin-α2-plasmin inhibitor complex in patients with malignant tumors and venous thromboembolism (VTE). METHODS: A total of 58 patients with confirmed malignant tumors and VTE were selected, and their plasma samples were collected within 24 hours after VTE diagnosis. We also selected 60 patients with malignant tumors who were hospitalized at the same time and did not have VTE following imaging examination. Their plasma samples were collected within 24 hours after admission and were compared to those of the VTE group concerning the levels of plasmin-α2-plasmin inhibitor (PIC), thrombin-antithrombin complex (TAT), tissue-type plasminogen activator-inhibitor complex (tPAI-C), and thrombomodulin (TM). We used the receiver operator characteristic (ROC) curve to evaluate the diagnostic efficacy of each index regarding malignant tumors accompanied by VTE. RESULTS: PIC, TAT, and tPAI-C were significantly higher in the group with malignant tumors and VTE compared to the group with malignant tumors without thrombosis (p =0.010, p =0.001, and p =0.003, respectively). In contrast, we found no significant difference in TM levels between the two groups (p =0.483). The area under the curve (AUC) of PIC, TAT, and tPAI-C regarding patients with malignant tumors and VTE was 0.852, 0.636, and 0.655, respectively, demonstrating diagnostic values for those cancer patients suffering VTE. PIC had the highest diagnostic efficiency in those patients with malignant tumors and VTE, while the AUC of TM was 0.537, so its diagnostic value for VTE-complicated malignant tumors was limited. CONCLUSION: PIC has a sufficient value for the early diagnosis of VTE in patients with malignant tumors. HIPPOKRATIA 2023, 27 (2):37-40.
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