Emerging evidences prove that the ongoing pandemic of coronavirus disease 2019 is strictly linked to coagulopathy even if pneumonia appears as the major clinical manifestation. The exact incidence of thromboembolic events is largely unknown, so that a relative significant number of studies have been performed in order to explore thrombotic risk in COVID-19 patients. Cytokine storm, mediated by pro-in lammatory interleukins, tumor necrosis factor α and elevated acute phase reactants, is primarily responsible for COVID-19-associated hypercoagulopathy. Also comorbidities, promoting endothelial dysfunction, contribute to a higher thromboembolic risk. In this review we aim to investigate epidemiology and clarify the pathophysiological pathways underlying hypercoagulability in COVID-19 patients, providing indications on the prevention of thromboembolic events in COVID-19. Furthermore we aim to reassume the pathophysiological paths involved in COVID-19 infection.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is mainly responsible for respiratory involvement but cardiac complications are also reported. Nevertheless, potential life-threatening conditions in young people have not been described. A 19-year-old male autistic patient was admitted with fever and cough. The chest radiography showed viral pneumonia and the nasopharyngeal swab detected SARS-CoV-2. He rapidly developed hypotension, oliguria and increased myocardial injury markers and was treated with adrenaline, antiviral drugs and mechanical ventilation. Echocardiography revealed diffuse myocardial hypo-akinesia and decreased left ventricular ejection fraction (LVEF). After several days of treatment, the patient was weaned off mechanical ventilation, LVEF recovered to 50% and laboratory tests showed a decrease of markers of myocardial injury. Coronavirus disease 2019 (COVID-19) can therefore severely affect myocardium with life-threatening complications and even young people can be involved.
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