Venous thromboembolism (VTE), clinically manifested as deep vein thrombosis (DVT) or acute pulmonary embolism (PE), is the third most common acute cardiovascular syndrome following myocardial infarction and stroke. The annual incidence of PE is between 39 and 115 per 100,000 inhabitants. The incidence of VTE is almost eight times higher in people aged 80 and older than in the fifth decade of life. We performed a retrospective study of 226 COVID-19 patients and selected group of patients who experienced a pulmonary thrombotic event. The incidence of PE in hospitalized COVID-19 patients was approximately 1.9-8.9%. The retrospective nature of the analyzed cohorts and relatively short observation periods could have led to underestimation of the actual incidence of PE. This study underlines the role of novel inflammatory biomarkers such as neutrophil to lymphocyte ratio and platelet to lymphocyte ratio in patients with a pulmonary thrombotic event in COVID-19. We suggest that these biomarkers may have high assessment value and complement routinely used biomarkers.
Keywords: COVID-19; novel inflammatory markers; pulmonary embolism.
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