Antiplatelet therapy and outcome in patients with COVID-19. Results from a multi-center international prospective registry (HOPE-COVID19)
F Santoro, E Vitale, I Nunez Gil, F Guerra, I El-Battrawy, N D Brunetti
Background: No standard therapy is currently recommended for . Autopsy studies showed high prevalence of platelet-fibrin rich micro-thrombi in several organs. Aim of the study was to evaluate safety and efficacy of antiplatelet therapy (APT) in COVID-19 hospitalized patients and its impact on survival. Methods: 7824 consecutive patients with COVID-19 were enrolled in a multicenter-international prospective registry (HOPE-COVID19). Clinical data and in-hospital complications were recorded. AP regimen, including aspirin and other antiplatelet drugs, was obtained for each patient. Results: During hospitalization 730 (9.3%) patients received AP drugs with single (93%, n=680) or dual APT (7%, n=50). Patients treated with APT were older (73±12 vs 62±17 years, p<0.01), more frequently male (70% vs 64%, p<0.01) and had higher prevalence of diabetes (39.5% vs 17%, p<0.01).
DOI record:
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"abstract": "<jats:title>Abstract</jats:title>\n <jats:sec>\n <jats:title>Background</jats:title>\n <jats:p>No standard therapy is currently recommended for Corona-virus-19 disease (COVID-19). Autopsy studies showed high prevalence of platelet-fibrin rich micro-thrombi in several organs. Aim of the study was to evaluate safety and efficacy of antiplatelet therapy (APT) in COVID-19 hospitalized patients and its impact on survival.</jats:p>\n </jats:sec>\n <jats:sec>\n <jats:title>Methods</jats:title>\n <jats:p>7824 consecutive patients with COVID-19 were enrolled in a multicenter-international prospective registry (HOPE-COVID19). Clinical data and in-hospital complications were recorded. AP regimen, including aspirin and other antiplatelet drugs, was obtained for each patient.</jats:p>\n </jats:sec>\n <jats:sec>\n <jats:title>Results</jats:title>\n <jats:p>During hospitalization 730 (9.3%) patients received AP drugs with single (93%, n=680) or dual APT (7%, n=50). Patients treated with APT were older (73±12 vs 62±17 years, p&lt;0.01), more frequently male (70% vs 64%, p&lt;0.01) and had higher prevalence of diabetes (39.5% vs 17%, p&lt;0.01).</jats:p>\n <jats:p>Patients treated with APT showed no differences in terms of in-hospital mortality (18% vs 19%, p=0.64, Log Rank p=0.23), need of invasive ventilation (8.7% vs 8.5%, p=0.88) and bleeding (2.1% vs 2.4%, p=0.43); However, after excluding patients treated only with anticoagulation, APT was associated with lower mortality rates (Log Rank p&lt;0.01, relative risk 0.79, 95% CI 0.70–0.94) (Figure 1).</jats:p>\n <jats:p>At multivariable analysis including age, gender, diabetes, hypertension, respiratory failure, pre-hospital therapy with antiplatelet drugs, in-hospital APT, and anticoagulation therapy, in-hospital APT was associated with a lower mortality risk (relative risk 0.29, 95% CI 0.22–0.38, p&lt;0.001).</jats:p>\n </jats:sec>\n <jats:sec>\n <jats:title>Conclusions</jats:title>\n <jats:p>APT during hospitalization for COVID-19 could be associated with lower mortality risk without increased risk of bleeding. Randomized trials are needed to confirm these preliminary data.</jats:p>\n </jats:sec>\n <jats:sec>\n <jats:title>Funding Acknowledgement</jats:title>\n <jats:p>Type of funding sources: None. Figure 1</jats:p>\n </jats:sec>",
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"title": "Antiplatelet therapy and outcome in patients with COVID-19. Results from a multi-center international prospective registry (HOPE-COVID19)",
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