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Characteristics and comparisons of acute stroke in “recovered & quot; to “active COVID-19 and “pre-pandemic” in Qatar database
AbstractUnderstanding the relationship of COVID-19 to stroke is important. We compare characteristics of pre-pandemic stroke (PPS), cases in acute COVID infection (CS) and in patients who have recovered from COVID-19 infection (RCS). We interrogated the Qatar stroke database for all stroke admissions between Jan 2020 and Feb 2021 (PPS) to CS and RCS to determine how COVID-19 affected ischemic stroke sub-types, clinical course, and outcomes prior to, during and post-pandemic peak. There were 3264 cases admitted (pre-pandemic: 3111, stroke in COVID-19: 60 and recovered COVID-19 stroke: 93). Patients with CS were significantl...
Source: Journal of Thrombosis and Thrombolysis - March 4, 2022 Category: Hematology Source Type: research

Impact of the pandemic of COVID-19 on emergency attendance for stroke and acute myocardial infarction in Beijing, China
This study covered from 03/01/2018 to 06/03/2020, including 19  weeks of lockdown period and 99 weeks before. A segmented Poisson regression model was used to estimate the immediate change and the monthly change in the secular trend of the emergency attendance rates. The emergency attendance rates of stroke and AMI cut in half at the beginning of the lockdown period, with 52.1% (95% CI 45.8% to 57.7%) and 63.1% (95% CI 56.1% to 63.1%) immediate decreases for stroke and AMI, respectively. Then during the lockdown period, 7.0% (95% CI 2.5%, 11.6%) and 16.1% (95% CI 9.5, 23.1) increases per month in the secular trends of em...
Source: Journal of Thrombosis and Thrombolysis - April 26, 2021 Category: Hematology Source Type: research

Impact of the COVID-19 pandemic on hyperacute stroke treatment: experience from a comprehensive stroke centre in Singapore
AbstractThe Coronavirus disease 2019 (COVID-19) pandemic is rapidly evolving and affecting healthcare systems across the world. Singapore has escalated its alert level to Disease Outbreak Response System Condition (DORSCON) Orange, signifying severe disease with community spread. We aimed to study the overall volume of AIS cases and the delivery of hyperacute stroke services during DORSCON Orange. This was a single-centre, observational cohort study performed at a comprehensive stroke centre responsible for AIS cases in the western region of Singapore, as well as providing care for COVID-19 patients. All AIS patients revie...
Source: Journal of Thrombosis and Thrombolysis - July 12, 2020 Category: Hematology Source Type: research

Stroke and presence of patent foramen ovale in sickle cell disease
AbstractSickle cell disease (SCD) is an inherited monogenic hemoglobinopathy characterized by formation of sickle erythrocytes under conditions of deoxygenation. Sickle erythrocytes can lead to thrombus formation and vaso-occlusive episodes that may result in hemolytic anemia, pain crisis and multiple organ damage. Moreover, SCD is characterized by endothelial damage, increased inflammatory response, platelet activation and aggravation, and activation of both the intrinsic and the extrinsic coagulation pathways. Cerebrovascular events constitute an important clinical complication of SCD. Children with SCD have a 300-fold h...
Source: Journal of Thrombosis and Thrombolysis - February 26, 2021 Category: Hematology Source Type: research

COVID-19 and ischemic stroke: a systematic review and meta-summary of the literature
We report the pooled incidence of AIS in COVID-19 patients to be 1.2%, with a high mortality rate. Elevatedd-dimer, fibrinogen and the presence of antiphospholipid antibodies appear to be prominent in COVID-19 patients with concomitant AIS, but further mechanistic studies are required to elucidate their role in pathogenesis.
Source: Journal of Thrombosis and Thrombolysis - July 12, 2020 Category: Hematology Source Type: research

Hyperacute multi-organ thromboembolic storm in COVID-19: a case report
We report a 66-year-old female patient with post-mortem diagnosis of COVID-19 who presented progressive livedo racemosa, acute renal failure and myocardial injury, as well as an absence of respiratory symptoms. Transthoracic echocardiography showed severe spontaneous echo contrast in the right cardiac chambers and right-sided cardiac overload presumed to result from pulmonary microvascular thrombosis or embolism.d-dimer levels were increased. The patient developed an acute ischemic stroke and died 2  days following presentation despite therapeutic anticoagulation. Her predominantly thromboembolic presentation supports the...
Source: Journal of Thrombosis and Thrombolysis - June 5, 2020 Category: Hematology Source Type: research

Incidence and consequences of systemic arterial thrombotic events in COVID-19 patients
AbstractA high incidence of thrombotic events, particularly deep vein thrombosis and pulmonary embolism, has been clearly documented in COVID-19 patients. In addition, small series of patients with coronary, cerebrovascular and peripheral arterial thrombotic events have also been reported, but their true incidence and consequences are not well described, and constitute the objective of this study. From February 1st to April 21st, 2020, 2115 COVID-19 patients were treated at Hospital Universitario Fundaci ón Alcorcón (Madrid, Spain), and 1419 were eventually admitted. Patient characteristics and outcomes were collected by...
Source: Journal of Thrombosis and Thrombolysis - June 8, 2020 Category: Hematology Source Type: research

Pulmonary venous thrombosis in a patient with COVID-19 infection
ConclusionsThrombotic outcomes in the setting of severe COVID 19 pneumonia may include macrovascular venous thromboembolism, microvascular pulmonary vascular thrombosis and arterial thromboembolism. Pulmonary vein, herein described, provides further mechanistic pathway for potential arterial embolic phenomenon.
Source: Journal of Thrombosis and Thrombolysis - January 30, 2021 Category: Hematology Source Type: research

Risk factors for intracerebral hemorrhage in patients with COVID-19
AbstractIntracerebral hemorrhage (ICH) can be a devastating complication of coronavirus disease (COVID-19). We aimed to assess risk factors associated with ICH in this population. We performed a retrospective cohort study of adult patients admitted to NYU Langone Health system between March 1 and April 27 2020 with a positive nasopharyngeal swab polymerase chain reaction test result and presence of primary nontraumatic intracranial hemorrhage or hemorrhagic conversion of ischemic stroke on neuroimaging. Patients with intracranial procedures, malignancy, or vascular malformation were excluded. We used regression models to e...
Source: Journal of Thrombosis and Thrombolysis - April 29, 2021 Category: Hematology Source Type: research

Interaction between thrombin potential and age on early clinical outcome in patients hospitalized for COVID-19
AbstractPatients with Coronavirus Disease-2019 (COVID ‐19) have haemostatic dysfunction and are at higher risk of thrombotic complications. Although age is a major risk factor for outcome impairment in COVID-19, its impact on coagulative patterns here is still unclear. We investigated the association of Endogenous Thrombin Potential (ETP) with thromb otic and haemorrhagic events according to different ages in patients admitted for COVID-19. A total of 27 patients with COVID‐19-related pneumonia, without need for intensive care unit admission or mechanical ventilation at hospital presentation, and 24 controls with non-C...
Source: Journal of Thrombosis and Thrombolysis - June 10, 2021 Category: Hematology Source Type: research