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      Aprendiendo con el COVID-19: ¿qué pasa con la anticoagulación? Translated title: Learning with COVID-19: what about anticoagulation?

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          Abstract

          Resumen La infección por SARS-CoV-2 (COVID-19) se relaciona con un aumento del riesgo de enfermedad tromboembólica. Algunos autores recomiendan la anticoagulación en dosis terapéuticas de, al menos, los pacientes más graves, práctica no exenta de riesgos, por lo que otros consensos solo recomiendan la profilaxis tromboembólica. La recomendación generalizada en pacientes previamente anticoagulados es el cambio del anticoagulante oral por heparina de bajo peso molecular (HBPM). Presentamos dos pacientes ingresados por COVID-19 sin datos de gravedad, en los que se sustituyó la anticoagulación (acenocumarol en un caso y rivaroxabán en el otro) por HBPM a dosis terapéuticas, presentando ambos sangrados abdominales. Estos sangrados son una complicación infrecuente en pacientes anticoagulados, pero la concurrencia de dos casos en un breve espacio de tiempo en el contexto de la pandemia por COVID-19 nos plantea que aún no se dispone de una evidencia clara sobre la anticoagulación terapéutica en la infección por SARS-CoV-2.

          Translated abstract

          Abstract Infection caused by SARS-CoV-2 (COVID-19) is associated with an increased risk of thromboembolic disease. Some authors recommend anticoagulation at therapeutic doses for, at least, the most severely ill patients; this practice is not free of risks, which is why only thromboembolic prophylaxis is recommended by other consensuses. In the case of previously anticoagulated patients, changing the oral anticoagulant for a low molecular weight heparin (LMWH) is generally recommended. We present the cases of two patients admitted due to COVID-19, without serious clinical data, in whom anticoagulation (acenocoumarol and rivaroxaban, respectively) was replaced by LMWH at therapeutic doses, both presenting abdominal bleeding. This type of bleeding is an infrequent complication in anticoagulated patients, but the concurrence of two cases in a short period of time in the context of the COVID-19 pandemic leads us to consider that there is not yet any clear evidence on therapeutic anticoagulation in SARS-CoV-2 infection.

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          Anticoagulant treatment is associated with decreased mortality in severe coronavirus disease 2019 patients with coagulopathy

          Background A relatively high mortality of severe coronavirus disease 2019 (COVID‐19) is worrying, and the application of heparin in COVID‐19 has been recommended by some expert consensus because of the risk of disseminated intravascular coagulation and venous thromboembolism. However, its efficacy remains to be validated. Methods Coagulation results, medications, and outcomes of consecutive patients being classified as having severe COVID‐19 in Tongji hospital were retrospectively analyzed. The 28‐day mortality between heparin users and nonusers were compared, as was a different risk of coagulopathy, which was stratified by the sepsis‐induced coagulopathy (SIC) score or D‐dimer result. Results There were 449 patients with severe COVID‐19 enrolled into the study, 99 of them received heparin (mainly with low molecular weight heparin) for 7 days or longer. D‐dimer, prothrombin time, and age were positively, and platelet count was negatively, correlated with 28‐day mortality in multivariate analysis. No difference in 28‐day mortality was found between heparin users and nonusers (30.3% vs 29.7%, P  = .910). But the 28‐day mortality of heparin users was lower than nonusers in patients with SIC score ≥4 (40.0% vs 64.2%, P  = .029), or D‐dimer >6‐fold of upper limit of normal (32.8% vs 52.4%, P  = .017). Conclusions Anticoagulant therapy mainly with low molecular weight heparin appears to be associated with better prognosis in severe COVID‐19 patients meeting SIC criteria or with markedly elevated D‐dimer.
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            COVID-19 and Thrombotic or Thromboembolic Disease: Implications for Prevention, Antithrombotic Therapy, and Follow-up

            Coronavirus disease 2019 (COVID-19), a viral respiratory illness caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), may predispose patients to thrombotic disease, both in the venous and arterial circulations, due to excessive inflammation, platelet activation, endothelial dysfunction, and stasis. In addition, many patients receiving antithrombotic therapy for thrombotic disease may develop COVID-19, which can have implications for choice, dosing, and laboratory monitoring of antithrombotic therapy. Moreover, during a time with much focus on COVID-19, it is critical to consider how to optimize the available technology to care for patients without COVID-19 who have thrombotic disease. Herein, we review the current understanding of the pathogenesis, epidemiology, management and outcomes of patients with COVID-19 who develop venous or arterial thrombosis, and of those with preexisting thrombotic disease who develop COVID-19, or those who need prevention or care for their thrombotic disease during the COVID-19 pandemic.
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              Association of Treatment Dose Anticoagulation with In-Hospital Survival Among Hospitalized Patients with COVID-19

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                Author and article information

                Journal
                asisna
                Anales del Sistema Sanitario de Navarra
                Anales Sis San Navarra
                Gobierno de Navarra. Departamento de Salud (Pamplona, Navarra, Spain )
                1137-6627
                August 2020
                : 43
                : 2
                : 251-254
                Affiliations
                [1] Leganés Madrid orgnameHospital Universitario Severo Ochoa orgdiv1Servicio de Urgencias
                Article
                S1137-66272020000200015 S1137-6627(20)04300200015
                10.23938/assn.0884
                9e2f866e-1fe4-4cc6-a0f2-b739b6fec2b6

                This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.

                History
                : 15 June 2020
                : 16 July 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 11, Pages: 4
                Product

                SciELO Spain

                Categories
                Notas Clínicas

                COVID-19,Anticoagulación,SARS-CoV-2,Anticoagulation Abdominal hematoma,Hematoma abdominal

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