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1.
PLoS One ; 16(12): e0261113, 2021.
Article in English | MEDLINE | ID: covidwho-1581761

ABSTRACT

BACKGROUND: Complement activation contributes to lung dysfunction in coronavirus disease 2019 (COVID-19). We assessed whether C5 blockade with eculizumab could improve disease outcome. METHODS: In this single-centre, academic, unblinded study two 900 mg eculizumab doses were added-on standard therapy in ten COVID-19 patients admitted from February 2020 to April 2020 and receiving Continuous-Positive-Airway-Pressure (CPAP) ventilator support from ≤24 hours. We compared their outcomes with those of 65 contemporary similar controls. Primary outcome was respiratory rate at one week of ventilator support. Secondary outcomes included the combined endpoint of mortality and discharge with chronic complications. RESULTS: Baseline characteristics of eculizumab-treated patients and controls were similar. At baseline, sC5b-9 levels, ex vivo C5b-9 and thrombi deposition were increased. Ex vivo tests normalised in eculizumab-treated patients, but not in controls. In eculizumab-treated patients respiratory rate decreased from 26.8±7.3 breaths/min at baseline to 20.3±3.8 and 18.0±4.8 breaths/min at one and two weeks, respectively (p<0.05 for both), but did not change in controls. Between-group changes differed significantly at both time-points (p<0.01). Changes in respiratory rate correlated with concomitant changes in ex vivo C5b-9 deposits at one (rs = 0.706, p = 0.010) and two (rs = 0.751, p = 0.032) weeks. Over a median (IQR) period of 47.0 (14.0-121.0) days, four eculizumab-treated patients died or had chronic complications versus 52 controls [HRCrude (95% CI): 0.26 (0.09-0.72), p = 0.010]. Between-group difference was significant even after adjustment for age, sex and baseline serum creatinine [HRAdjusted (95% CI): 0.30 (0.10-0.84), p = 0.023]. Six patients and 13 controls were discharged without complications [HRCrude (95% CI): 2.88 (1.08-7.70), p = 0.035]. Eculizumab was tolerated well. The main study limitations were the relatively small sample size and the non-randomised design. CONCLUSIONS: In patients with severe COVID-19, eculizumab safely improved respiratory dysfunction and decreased the combined endpoint of mortality and discharge with chronic complications. Findings need confirmation in randomised controlled trials.


Subject(s)
Antibodies, Monoclonal, Humanized/therapeutic use , COVID-19/therapy , Continuous Positive Airway Pressure , Aged , Antibodies, Monoclonal, Humanized/administration & dosage , COVID-19/drug therapy , COVID-19/mortality , COVID-19/physiopathology , Case-Control Studies , Complement Membrane Attack Complex/analysis , Female , Humans , Male , Middle Aged , Retrospective Studies , Thrombosis/drug therapy , Treatment Outcome
2.
Clin Appl Thromb Hemost ; 27: 10760296211066945, 2021.
Article in English | MEDLINE | ID: covidwho-1574469

ABSTRACT

INTRODUCTION: Argatroban is licensed for patients with heparin-induced thrombocytopenia and is conventionally monitored by activated partial thromboplastin time (APTT) ratio. The target range is 1.5 to 3.0 times the patients' baseline APTT and not exceeding 100 s, however this baseline is not always known. APTT is known to plateau at higher levels of argatroban, and is influenced by coagulopathies, lupus anticoagulant and raised FVIII levels. It has been used as a treatment for COVID-19 and Vaccine-induced Immune Thrombocytopenia and Thrombosis (VITT). Some recent publications have favored the use of anti-IIa methods to determine the plasma drug concentration of argatroban. METHODS: Plasma of 60 samples from 3 COVID-19 patients and 54 samples from 5 VITT patients were tested by APTT ratio and anti-IIa method (dilute thrombin time dTT). Actin FS APTT ratios were derived from the baseline APTT of the patient and the mean normal APTT. RESULTS: Mean APTT ratio derived from baseline was 1.71 (COVID-19), 1.33 (VITT) compared to APTT ratio by mean normal 1.65 (COVID-19), 1.48 (VITT). dTT mean concentration was 0.64 µg/ml (COVID-19) 0.53 µg/ml (VITT) with poor correlations to COVID-19 baseline APTT ratio r2 = 0.1526 p <0.0001, mean normal r2 = 0.2188 p < 0.0001; VITT baseline APTT ratio r2 = 0.04 p < 0.001, VITT mean normal r2 = 0.0064 p < 0.001. CONCLUSIONS: We believe that dTT is a superior method to monitor the concentration of argatroban, we have demonstrated significant differences between APTT ratios and dTT levels, which could have clinical impact. This is especially so in COVID-19 and VITT.


Subject(s)
Arginine/analogs & derivatives , COVID-19/drug therapy , Partial Thromboplastin Time/methods , Pipecolic Acids/therapeutic use , Platelet Aggregation Inhibitors/therapeutic use , Sulfonamides/therapeutic use , Thrombocytopenia/drug therapy , Thrombosis/drug therapy , Aged , Arginine/pharmacology , Arginine/therapeutic use , COVID-19/complications , Female , Humans , Male , Middle Aged , Pipecolic Acids/pharmacology , Platelet Aggregation Inhibitors/pharmacology , SARS-CoV-2 , Sulfonamides/pharmacology , Thrombocytopenia/chemically induced , Thrombosis/chemically induced
7.
Semin Respir Crit Care Med ; 42(2): 316-326, 2021 04.
Article in English | MEDLINE | ID: covidwho-1493288

ABSTRACT

Venous thromboembolism, occlusion of dialysis catheters, circuit thrombosis in extracorporeal membrane oxygenation (ECMO) devices, acute limb ischemia, and isolated strokes, all in the face of prophylactic and even therapeutic anticoagulation, are features of novel coronavirus disease 2019 (COVID-19) coagulopathy. It seems well established at this time that a COVID-19 patient deemed sick enough to be hospitalized, should receive at least prophylactic dose anticoagulation. However, should some hospitalized patients have dosage escalation to intermediate dose? Should some be considered for full-dose anticoagulation without a measurable thromboembolic event and how should that anticoagulation be monitored? Should patients receive postdischarge anticoagulation and with what medication and for how long? What thrombotic issues are related to the various medications being used to treat this coagulopathy? Is antiphospholipid antibody part of this syndrome? What is the significance of isolated ischemic stroke and limb ischemia in this disorder and how does this interface with the rest of the clinical and laboratory features of this disorder? The aims of this article are to explore these questions and interpret the available data based on the current evidence.


Subject(s)
Anticoagulants/administration & dosage , COVID-19/drug therapy , Thrombophilia/drug therapy , Thrombosis/prevention & control , Venous Thromboembolism/prevention & control , Adenosine Monophosphate/analogs & derivatives , Adenosine Monophosphate/therapeutic use , Alanine/analogs & derivatives , Alanine/therapeutic use , Ambulatory Care , Antibodies, Antiphospholipid/immunology , Antibodies, Monoclonal, Humanized/therapeutic use , Antirheumatic Agents/therapeutic use , Antiviral Agents/therapeutic use , COVID-19/blood , COVID-19/complications , COVID-19/immunology , COVID-19/therapy , Dose-Response Relationship, Drug , Drug Combinations , Duration of Therapy , Glucocorticoids/therapeutic use , Hospitalization , Humans , Hydroxychloroquine/therapeutic use , Immunization, Passive , Lopinavir/therapeutic use , Ritonavir/therapeutic use , SARS-CoV-2 , Thrombolytic Therapy , Thrombophilia/blood , Thrombophilia/etiology , Thrombosis/drug therapy , Thrombosis/immunology , Venous Thromboembolism/drug therapy , Venous Thromboembolism/immunology
9.
Int J Biol Macromol ; 192: 1040-1057, 2021 Dec 01.
Article in English | MEDLINE | ID: covidwho-1466382

ABSTRACT

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent responsible for the Coronavirus Disease-2019 (COVID-19) pandemic, has infected over 185 million individuals across 200 countries since December 2019 resulting in 4.0 million deaths. While COVID-19 is primarily associated with respiratory illnesses, an increasing number of clinical reports indicate that severely ill patients often develop thrombotic complications that are associated with increased mortality. As a consequence, treatment strategies that target COVID-associated thrombosis are of utmost clinical importance. An array of pharmacologically active compounds from natural products exhibit effects on blood coagulation pathways, and have generated interest for their potential therapeutic applications towards thrombotic diseases. In particular, a number of snake venom compounds exhibit high specificity on different blood coagulation factors and represent excellent tools that could be utilized to treat thrombosis. The aim of this review is to provide a brief summary of the current understanding of COVID-19 associated thrombosis, and highlight several snake venom compounds that could be utilized as antithrombotic agents to target this disease.


Subject(s)
COVID-19/blood , Fibrinolytic Agents/pharmacology , Snake Venoms/pharmacology , Thrombosis/drug therapy , Thrombosis/virology , Anticoagulants/therapeutic use , Blood Coagulation/drug effects , COVID-19/drug therapy , COVID-19/epidemiology , COVID-19/pathology , Humans , Pandemics , SARS-CoV-2/drug effects , SARS-CoV-2/pathogenicity
10.
Open Heart ; 8(2)2021 10.
Article in English | MEDLINE | ID: covidwho-1455738

ABSTRACT

BACKGROUND: COVID-19 is a respiratory disease that results in a prothrombotic state manifesting as thrombotic, microthrombotic and thromboembolic events. As a result, several antithrombotic modalities have been implicated in the treatment of this disease. This study aimed to identify if therapeutic anticoagulation (TAC) or concurrent use of antiplatelet and anticoagulants was associated with an improved outcome in this patient population. METHODS: A retrospective observational cohort study of adult patients admitted to a single university hospital for COVID-19 infection was performed. The primary outcome was a composite of in-hospital mortality, intensive care unit (ICU) admission or the need for mechanical ventilation. The secondary outcomes were each of the components of the primary outcome, in-hospital mortality, ICU admission, or the need for mechanical ventilation. RESULTS: 242 patients were included in the study and divided into four subgroups: Therapeutic anticoagulation (TAC), prophylactic anticoagulation+antiplatelet (PACAP), TAC+antiplatelet (TACAP) and prophylactic anticoagulation (PAC) which was the reference for comparison. Multivariable Cox regression analysis and propensity matching were done and showed when compared with PAC, TACAP and TAC were associated with less in-hospital all-cause mortality with an adjusted HR (aHR) of 0.113 (95% CI 0.028 to 0.449) and 0.126 (95% CI 0.028 to 0.528), respectively. The number needed to treat in both subgroups was 11. Furthermore, PACAP was associated with a reduced risk of invasive mechanical ventilation with an aHR of 0.07 (95% CI 0.014 to 0.351). However, the was no statistically significant difference in the occurrence of major or minor bleeds, ICU admission or the composite outcome of in-hospital mortality, ICU admission or the need for mechanical ventilation. CONCLUSION: The use of combined anticoagulant and antiplatelet agents or TAC alone in hospitalised patients with COVID-19 was associated with a better outcome in comparison to PAC alone without an increase in the risk of major and minor bleeds. Sufficiently powered randomised controlled trials are needed to further evaluate the safety and efficacy of combining antiplatelet and anticoagulants agents or using TAC in the management of patients with COVID-19 infection.


Subject(s)
Anticoagulants/therapeutic use , COVID-19/therapy , Platelet Aggregation Inhibitors/therapeutic use , Adult , Aged , Aged, 80 and over , Blood Coagulation/drug effects , COVID-19/blood , COVID-19/complications , COVID-19/mortality , Female , Hospital Mortality , Humans , Inpatients , Intensive Care Units , Male , Middle Aged , Retrospective Studies , SARS-CoV-2 , Survival Analysis , Thromboembolism/drug therapy , Thromboembolism/physiopathology , Thrombosis/drug therapy , Thrombosis/physiopathology , Treatment Outcome
11.
Blood Adv ; 5(22): 4662-4665, 2021 11 23.
Article in English | MEDLINE | ID: covidwho-1443790

ABSTRACT

We report a case of vaccine-induced immune thrombotic thrombocytopenia (VITT) in a young man diagnosed 13 days after Ad26.COV2.S COVID-19 (Johnson & Johnson/Janssen) vaccination. He presented to us with 5 days of progressive left leg pain, thrombocytopenia, hypofibrinogenemia, and markedly elevated d-dimers, but without radiographically demonstrable thrombosis. Despite negative imaging, we initiated treatment of presumptive VITT given the striking clinical picture that included the timing of his recent adenovirus-based COVID-19 vaccine, leg symptoms, marked thrombocytopenia, and consumptive coagulopathy. He received intravenous immune globulin, prednisone, and argatroban and was discharged 7 days later much improved. His positive platelet factor 4 enzyme-linked immunosorbent assay antibody test returned after treatment was initiated. To our knowledge, this is the first reported case of VITT following Ad26.COV2.S vaccination presenting without radiographically demonstrable thrombosis. Our patient highlights the importance of knowing vaccine status and initiating treatment as soon as possible in the right clinical setting, even in the absence of radiographic evidence of thrombus. Early VITT recognition and treatment provide an opportunity to prevent serious thrombotic complications.


Subject(s)
COVID-19 Vaccines/adverse effects , COVID-19 , Thrombocytopenia , Thrombosis , COVID-19/prevention & control , Humans , Male , Thrombocytopenia/chemically induced , Thrombosis/chemically induced , Thrombosis/drug therapy , Vaccination/adverse effects
12.
Radiologe ; 61(10): 909-914, 2021 Oct.
Article in German | MEDLINE | ID: covidwho-1437248

ABSTRACT

CLINICAL ISSUE: Clinically, COVID-19 (coronavirus disease 2019) is increasingly seen as a systemic disease associated with multiorgan involvement through a hypercoagulatory condition in the sense of vasculopathy. STANDARD TREATMENT: Treatment with antiplatelet drugs or heparins appears to be indicated. The current evidence, at least for acetylsalicylic acid (ASA), is lacking. DIAGNOSTIC WORK-UP: Corresponding to the significant proportion of primarily microstructural vascular changes, the radiological diagnosis showed not only macrovascular pathologies, but also diffuse perfusion disorders. PERFORMANCE: Regional hypoperfusion in the lungs can be detected with and without pulmonary arterial embolism. Similar findings can be found in almost all organ systems. PRACTICAL RECOMMENDATIONS: A therapeutic intervention using low molecular weight heparins in hospitalized patients in situation-adapted dosage is indicated and is discussed in detail. In the detection of micro- and macrovascular thrombosis in the context of COVID-19, extended radiological diagnostics play a central role and are the basis of adapted therapy and secondary prevention.


Subject(s)
COVID-19 , Pulmonary Embolism , Thrombosis , Humans , Platelet Aggregation Inhibitors/adverse effects , SARS-CoV-2 , Thrombosis/diagnostic imaging , Thrombosis/drug therapy
13.
Med Hypotheses ; 156: 110684, 2021 Nov.
Article in English | MEDLINE | ID: covidwho-1415656

ABSTRACT

Some of the COVID-19 patients present with ischemic lesions of their finger and toes. Standard anticoagulant therapy is usually unsuccessful for the treatment of this unique presentation of COVID-19. In this review current evidence is presented, which supports the hypothesis that these necrotic lesions are primarily related to the formation of neutrophil extracellular traps is blood vessels. Also, currently available and potential pharmacological methods of the management of this unique thrombotic complication are discussed. Drugs that possibly could be used in COVID-19 patients suffering from acute ischemia of distal parts of the extremities particularly comprise DNase I and DNase1L3, which could directly dissolve these extracellular webs that are mostly composed of DNA. However, at the moment, none of these enzymes are registered for an intravascular administration in humans. Lactoferrin and dipyridamole are other pharmaceutical agents that could potentially be used for the treatment of neutrophil extracellular traps-evoked digital ischemia. These agents exhibit prophylactic activity against excessive formation of these extracellular structures. Such an experimental treatment should probably be accompanied by standard antithrombotic management with heparin. Open-label and then randomized trials are needed to confirm feasibility, safety and efficacy of the above-suggested management of critically ill COVID-19 patients.


Subject(s)
COVID-19 , Extracellular Traps , Thrombosis , Humans , Necrosis , Neutrophils , SARS-CoV-2 , Thrombosis/drug therapy
14.
JCI Insight ; 6(17)2021 09 08.
Article in English | MEDLINE | ID: covidwho-1413722

ABSTRACT

Neutrophil-mediated activation and injury of the endothelium play roles in the pathogenesis of diverse disease states ranging from autoimmunity to cancer to COVID-19. Neutralization of cationic proteins (such as neutrophil extracellular trap-derived [NET-derived] histones) with polyanionic compounds has been suggested as a potential strategy for protecting the endothelium from such insults. Here, we report that the US Food and Drug Administration-approved polyanionic agent defibrotide (a pleiotropic mixture of oligonucleotides) directly engages histones and thereby blocks their pathological effects on endothelium. In vitro, defibrotide counteracted endothelial cell activation and pyroptosis-mediated cell death, whether triggered by purified NETs or recombinant histone H4. In vivo, defibrotide stabilized the endothelium and protected against histone-accelerated inferior vena cava thrombosis in mice. Mechanistically, defibrotide demonstrated direct and tight binding to histone H4 as detected by both electrophoretic mobility shift assay and surface plasmon resonance. Taken together, these data provide insights into the potential role of polyanionic compounds in protecting the endothelium from thromboinflammation with potential implications for myriad NET- and histone-accelerated disease states.


Subject(s)
Fibrinolytic Agents/pharmacology , Human Umbilical Vein Endothelial Cells/drug effects , Polydeoxyribonucleotides/pharmacology , Thrombosis/drug therapy , Animals , Extracellular Traps/drug effects , Extracellular Traps/metabolism , Fibrinolytic Agents/therapeutic use , Histones/metabolism , Human Umbilical Vein Endothelial Cells/metabolism , Humans , Male , Mice , Mice, Inbred C57BL , Polydeoxyribonucleotides/therapeutic use , Pyroptosis
16.
N Engl J Med ; 385(18): 1680-1689, 2021 10 28.
Article in English | MEDLINE | ID: covidwho-1352005

ABSTRACT

BACKGROUND: Vaccine-induced immune thrombocytopenia and thrombosis (VITT) is a new syndrome associated with the ChAdOx1 nCoV-19 adenoviral vector vaccine against severe acute respiratory syndrome coronavirus 2. Data are lacking on the clinical features of and the prognostic criteria for this disorder. METHODS: We conducted a prospective cohort study involving patients with suspected VITT who presented to hospitals in the United Kingdom between March 22 and June 6, 2021. Data were collected with the use of an anonymized electronic form, and cases were identified as definite or probable VITT according to prespecified criteria. Baseline characteristics and clinicopathological features of the patients, risk factors, treatment, and markers of poor prognosis were determined. RESULTS: Among 294 patients who were evaluated, we identified 170 definite and 50 probable cases of VITT. All the patients had received the first dose of ChAdOx1 nCoV-19 vaccine and presented 5 to 48 days (median, 14) after vaccination. The age range was 18 to 79 years (median, 48), with no sex preponderance and no identifiable medical risk factors. Overall mortality was 22%. The odds of death increased by a factor of 2.7 (95% confidence interval [CI], 1.4 to 5.2) among patients with cerebral venous sinus thrombosis, by a factor of 1.7 (95% CI, 1.3 to 2.3) for every 50% decrease in the baseline platelet count, by a factor of 1.2 (95% CI, 1.0 to 1.3) for every increase of 10,000 fibrinogen-equivalent units in the baseline d-dimer level, and by a factor of 1.7 (95% CI, 1.1 to 2.5) for every 50% decrease in the baseline fibrinogen level. Multivariate analysis identified the baseline platelet count and the presence of intracranial hemorrhage as being independently associated with death; the observed mortality was 73% among patients with platelet counts below 30,000 per cubic millimeter and intracranial hemorrhage. CONCLUSIONS: The high mortality associated with VITT was highest among patients with a low platelet count and intracranial hemorrhage. Treatment remains uncertain, but identification of prognostic markers may help guide effective management. (Funded by the Oxford University Hospitals NHS Foundation Trust.).


Subject(s)
COVID-19 Vaccines/adverse effects , Purpura, Thrombocytopenic, Idiopathic/etiology , Thrombosis/etiology , Adolescent , Adult , Aged , Anticoagulants , Autoantibodies/blood , COVID-19/prevention & control , Female , Humans , Immunoglobulins, Intravenous/therapeutic use , Intracranial Hemorrhages/etiology , Intracranial Hemorrhages/mortality , Male , Middle Aged , Multivariate Analysis , Platelet Count , Platelet Factor 4/immunology , Prospective Studies , Purpura, Thrombocytopenic, Idiopathic/mortality , Purpura, Thrombocytopenic, Idiopathic/therapy , Risk Factors , Thrombosis/drug therapy , Thrombosis/mortality , United Kingdom/epidemiology , Young Adult
17.
Int J Mol Sci ; 22(15)2021 Aug 03.
Article in English | MEDLINE | ID: covidwho-1346502

ABSTRACT

Thrombosis is a life-threatening disease with a high mortality rate in many countries. Even though anti-thrombotic drugs are available, their serious side effects compel the search for safer drugs. In search of a safer anti-thrombotic drug, Quantitative Structure-Activity Relationship (QSAR) could be useful to identify crucial pharmacophoric features. The present work is based on a larger data set comprising 1121 diverse compounds to develop a QSAR model having a balance of acceptable predictive ability (Predictive QSAR) and mechanistic interpretation (Mechanistic QSAR). The developed six parametric model fulfils the recommended values for internal and external validation along with Y-randomization parameters such as R2tr = 0.831, Q2LMO = 0.828, R2ex = 0.783. The present analysis reveals that anti-thrombotic activity is found to be correlated with concealed structural traits such as positively charged ring carbon atoms, specific combination of aromatic Nitrogen and sp2-hybridized carbon atoms, etc. Thus, the model captured reported as well as novel pharmacophoric features. The results of QSAR analysis are further vindicated by reported crystal structures of compounds with factor Xa. The analysis led to the identification of useful novel pharmacophoric features, which could be used for future optimization of lead compounds.


Subject(s)
Fibrinolytic Agents/pharmacology , Heterocyclic Compounds/pharmacology , Thrombosis/drug therapy , Fibrinolytic Agents/chemistry , Heterocyclic Compounds/chemistry , Humans , Models, Molecular , Quantitative Structure-Activity Relationship
18.
Am J Case Rep ; 22: e932531, 2021 Aug 01.
Article in English | MEDLINE | ID: covidwho-1335413

ABSTRACT

BACKGROUND Hypercoagulable states, including venous and arterial thromboses, manifesting as pulmonary thromboembolism or stroke have been observed in COVID-19; recently, gastrointestinal thrombotic events have also been reported. This case report describes a patient with COVID-19 and abdominal pain, who developed coagulopathy and a rare association of hepatic artery thrombosis. Common hepatic artery thrombosis is usually observed among liver transplantation patients and has not been described in infectious disease. CASE REPORT A 45-year-old woman presented in the Emergency Department with a nonproductive cough, sore throat, asthenia, headache, myalgia, anosmia, and dysgeusia. On the 5th day after the onset of these symptoms, she tested positive for SARS-COV-2 and was managed with symptomatic drugs. Although her initial symptoms of COVID-19 improved progressively, on the 14th day she experienced acute abdominal pain. On the 16th day, she was hospitalized and administered intravenous analgesia. Abdominal computed tomography angiography revealed partial thrombosis in the common hepatic artery, which was confirmed by liver Doppler ultrasonography. Protein C and D-dimer levels peaked during this period. Serum tests for thrombophilia were negative. Subcutaneous enoxaparin (60 mg twice daily) was administered during hospitalization, and her abdominal pain improved significantly. She was discharged after 3 days and prescribed an oral anticoagulant for the next 30 days. CONCLUSIONS Thrombotic events are well-recognized complications of COVID-19 and recent reports show gastrointestinal involvement. This report of a rare association of hepatic artery thrombosis highlights the importance of investigating the thrombotic events in patients with abdominal pain and coagulopathy during COVID-19.


Subject(s)
COVID-19 , Thrombosis , Enoxaparin , Female , Hepatic Artery/diagnostic imaging , Humans , Middle Aged , SARS-CoV-2 , Thrombosis/drug therapy , Thrombosis/etiology
20.
J Coll Physicians Surg Pak ; 31(Supp. 2): S130-S131, 2021 07.
Article in English | MEDLINE | ID: covidwho-1317405

ABSTRACT

Thrombotic complications increase in novel coronavirus disease 2019 (COVID-19) patients. Most of these complications are associated with venous thromboembolism and pulmonary embolism; and arterial thrombosis is rare. Usually, arterial thrombosis affects peripheral arteries. The involvement of large vessels, such as aorta, is rare in the literature. Major artery thrombosis manifests with different additional complications. Contrast-enhanced abdominal computed tomography angiography (CTA) was performed on a patient, who was followed-up with COVID-19 due to gastrointestinal symptoms. Supra-celiac aortic thrombosis and splenic infarction were detected. This case is reported to share experience regarding our treatment approach in the light of the literature data. Key Words: Arterial thrombosis, Acute aortic thrombosis, COVID-19.


Subject(s)
Aortic Diseases , COVID-19 , Pulmonary Embolism , Thrombosis , Aortic Diseases/diagnostic imaging , Humans , Pulmonary Embolism/diagnostic imaging , Pulmonary Embolism/drug therapy , Pulmonary Embolism/etiology , SARS-CoV-2 , Thrombosis/diagnostic imaging , Thrombosis/drug therapy , Thrombosis/etiology
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