Background: Although most of the COVID-19 patients presented with mild symptoms and recovered, a considerable number of cases became serious with poor prognosis in an unpredictable manner. They mostly presented with respiratory symptoms and coagulation abnormalities with thrombosis and multi-organ failure. Hence, timely prediction of these cases with the early intervention might decrease mortality.
Aims and Objectives: The objectives of this were to determine whether values of fibrinogen, fibrin degradation products (FDP), and D-dimer level correlates with disease severity in COVID-19 patients.
Materials and Methods: This observational cross-sectional study was done on total 400 hospitalized COVID-19 adult patients where patients were categorized into moderate and severe cases as per guideline of Government of India. Patients with pre-existing coagulation disorder or receiving anticoagulant drugs were excluded from the study. FDP, fibrinogen, and D-dimer values of these two groups were evaluated and compared statistically to determine their significance.
Results: Overall mean and standard deviation of fibrinogen, FDP, and D-dimer were 607.48 ± 177.73, 34.93 ± 29.2, and 6.23 ± 6.48 for severe category, while for moderate category disease, they were 389.77 ± 110.16, 10.79 ± 10.47, and 1.96 ± 3.3, respectively. Unpaired t-test showed that the study parameters are significantly higher in severe COVID-19 patients compared to moderate ones.
Conclusion: It was concluded that elevated level of D-dimer, fibrinogen, and FDP is indicator of disease progression in COVID-19. Thus, regular estimation of these simple coagulation parameters may predict disease severity and help in adequate management.
Key words: COVID-19; Fibrinogen; Fibrin Fibrinogen degradation products; D-dimer; Severity
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