• Y Longhitano, F Racca, C Zanza, A Piccioni, A Audo, M Muncinelli, R Santi, D Kozel, C Geraci, M Taverna, V Bonato, F Cassini, and F Franceschi.
• Department of Anesthesiology and Critical Care, Azienda Ospedaliera SS. Antonio e Biagio, Alessandria, Italy. lon.yaro@gmail.com.
• Eur Rev Med Pharmacol Sci. 2020 Sep 1; 24 (17): 9154-9160.

ObjectiveCoronavirus disease 2019 (COVID-19) is an emerging infectious disease that was first reported in Wuhan, China, and has subsequently spread worldwide. An association between increased venous thromboembolism in patients with pneumonia-related to COVID-19 has not yet been well described.Patients And MethodsWe aimed to illustrate cases of pulmonary thromboembolism in patients with acute respiratory distress syndrome related to COVID-19 treated in our intensive care unit. The medical records of patients affected by COVID-19 with acute respiratory distress syndrome in our institute from 1/3/2020 to 31/3/2020 were retrospectively reviewed.ResultsOur center registered a high prevalence of thromboembolic events among 62 patients affected by acute respiratory distress syndrome related to COVID-19 despite a regular antithrombotic prophylaxis. Out of these, 32 patients were transferred to other hospitals, and 30 were treated in our center. Venous thromboembolism was registered in 12 (19.3%) cases. In particular, 11 diagnoses of pulmonary embolism and 1 diagnosis of deep vein thrombosis were formulated. We described a case series of venous thromboembolism in nine patients treated in our Intensive Care Unit (ICU). Main pulmonary arteries were always involved in these patients. None of them died.ConclusionsIn conclusion, critically ill patients with ARDS related to COVID-19 may have an increased risk of VTE that could be a leading cause of mortality. These patients require a high index of clinical suspicion and an accurate diagnostic approach, in order to immediately start an appropriate anticoagulant treatment.

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