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  • Title: Use of fibrin monomer and D-Dimer in assessing overt and nonovert disseminated intravascular coagulation.
    Author: Zheng X, Chen S, Zhang F, Ye M, Chen J, Zhang S.
    Journal: Blood Coagul Fibrinolysis; 2021 Jun 01; 32(4):248-252. PubMed ID: 33955858.
    Abstract:
    Early diagnosis of disseminated intravascular coagulation (DIC) before its progression to an overt stage is beneficial for its treatment and prognosis.This retrospective study aimed to evaluate the diagnostic performance of D-dimer and fibrin monomer in the early stage of DIC.A total of 707 patients suspected of having DIC, 302 healthy people were enrolled and divided into four groups: overt DIC, nonovert DIC, non-DIC based on the International Society of Thrombosis and Hemostasis scoring for overt DIC and the modified nonovert DIC criteria, healthy people as control group. Quantitative determination was done by immunoturbidimetry for D-dimer and fibrin monomer.The median of fibrin monomer in overt, nonovert and non-DIC was 41.65, 26.89 and 8.68 μg/ml, respectively. The median of D-dimer in overt, nonovert and non-DIC was 9.69, 3.98 and 3.08 μg/ml, respectively. D-dimer and fibrin monomer values were higher in overt DIC than other groups, but there was no difference between nonovert DIC and non-DIC in D-dimer. Unlike D-dimer, statistically significant differences were found in fibrin monomer between nonovert and non-DIC. At receiver operator characteristic curve-generated cutoff values, fibrin monomer had much excellent predictive performance compared with D-dimer for distinguishing nonovert DIC from non-DIC. D-dimer and fibrin monomer had same diagnostic performance in distinguishing overt DIC from non-DIC.Fibrin monomer is a better indicator compared with D-dimer in distinguishing patients with nonovert DIC from non-DIC. Hence, it might serve as an excellent negative exclusion marker to provide a reference for early clinical diagnosis and intervention through more studies.
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