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2021 Focused Update Consensus Guidelines of the Asia Pacific Heart Rhythm Society on Stroke Prevention in Atrial Fibrillation: Executive Summary
Thromb Haemost. 2021 Nov 13. doi: 10.1055/s-0041-1739411. Online ahead of print.ABSTRACTThe consensus of the Asia Pacific Heart Rhythm Society (APHRS) on stroke prevention in atrial fibrillation (AF) has been published in 2017 which provided useful clinical guidance for cardiologists, neurologists, geriatricians, and general practitioners in the Asia-Pacific region. In these years, many important new data regarding stroke prevention in AF were reported. The practice guidelines subcommittee members comprehensively reviewed updated information on stroke prevention in AF, and summarized them in this 2021 focused update of the...
Source: Thrombosis and Haemostasis - November 13, 2021 Category: Hematology Authors: Tze-Fan Chao Boyoung Joung Yoshihide Takahashi Toon Wei Lim Eue-Keun Choi Yi-Hsin Chan Yutao Guo Charn Sriratanasathavorn Seil Oh Ken Okumura Gregory Y H Lip Source Type: research

Macrothrombosis and stroke in patients with mild Covid-19 infection.
We describe cases of patients in New York City presenting with stroke secondary to large vessel thrombosis without occlusion, incidentally found to have COVID-19 with only mild respiratory symptoms. This is in contrast to the venous thrombosis and microangiopathy that has been reported in patients with severe COVID-19. Our cases suggest that even in the absence of severe disease, patients with COVID-19 may be at increased risk of thrombus formation leading to stroke, perhaps due to viral involvement of the endothelium. Further systematic study is needed, since this may have implications for primary and secondary stroke pre...
Source: Thrombosis and Haemostasis - May 27, 2020 Category: Hematology Authors: Fara MG, Stein LK, Skliut M, Morgello S, Fifi JT, Dhamoon MS Tags: J Thromb Haemost Source Type: research

Thrombocytopenia with acute ischemic stroke and bleeding in a patient newly vaccinated with an adenoviral vector-based COVID-19 vaccine
We describe the first Danish case of presumed inflammatory and thrombotic response to vaccination with an adenoviral (ChAdOx1) vector based COVID-19 vaccine (AZD1222). The case describes a 60-year old woman, who was admitted with intractable abdominal pain seven days after receiving the vaccine. Computer Tomography (CT) of the abdomen revealed bilateral adrenal hemorrhages. On the following day she developed a massive right sided ischemic stroke and Magnetic Resonance Imaging (MRI) angiography showed occlusion of the right internal carotid artery. The ischemic area was deemed too large to offer reperfusion therapy. During ...
Source: Thrombosis and Haemostasis - April 20, 2021 Category: Hematology Authors: Rolf Ankerlund Blauenfeldt S øren Risom Kristensen Siw Leiknes Ernstsen Claudia Christina Hilt Kristensen Claus Ziegler Simonsen Anne-Mette Hvas Source Type: research

Impact of COVID-19 on thrombus composition and response to thrombolysis: Insights from a monocentric cohort population of COVID-19 patients with acute ischemic stroke
CONCLUSIONS: These results show that COVID-19 does not impact NETs content or worsen fibrinolysis resistance of AIS thrombi, a therapeutic hurdle that could be overcome by DNase 1 even in the context of SARS-Cov-2 infection.PMID:35032088 | DOI:10.1111/jth.15646
Source: Thrombosis and Haemostasis - January 15, 2022 Category: Hematology Authors: Jean-Philippe Desilles Mialitiana Solo Nomenjanahary Arturo Consoli V éronique Ollivier Doroth ée Faille Marie-Charlotte Bourrienne Myl ène Hamdani S ébastien Dupont Lucas Di Meglio Simon Escalard Benjamin Maier Raphael Blanc Michel Piotin Bertrand La Source Type: research

Risk factors for post-discharge major thromboembolism and mortality in hospitalized patients with COVID-19 with cardiovascular comorbidities
Conclusions COVID-19 inpatients with cardiovascular disease experience high rates of ATE, VTE, or ACM through 90 days post-discharge. Age > 75 years, PAD, CAS, CHF, previous VTE, and ICU admission are independent risk factors.PMID:37146648 | DOI:10.1055/a-2087-3003
Source: Thrombosis and Haemostasis - May 5, 2023 Category: Hematology Authors: Dimitrios Giannis Mark Goldin Husneara Rahman Cristina P Sison Martin Lesser Sam Ngu James Tsang Michael Qiu Shreya Sanghani Jackson Yeh Miltiadis Matsagkas Eleni Arnaoutoglou Alex C Spyropoulos Source Type: research

Thrombotic Complications in Children with COVID-19 and MIS-C
J Thromb Haemost. 2023 May 31:S1538-7836(23)00434-8. doi: 10.1016/j.jtha.2023.05.020. Online ahead of print.ABSTRACTCoronavirus disease 2019 (COVID-19) associated coagulopathy is multifactorial and involves inflammation driven hypercoagulability, endothelial dysfunction, platelet activation and impaired fibrinolysis. Hospitalized adults with COVID-19 are at an increased risk of both venous thrombo-embolism (VTE) and ischemic stroke, resulting in adverse outcomes including mortality. While children with COVID-19 follow a less severe course, both arterial and venous thrombosis have been reported in hospitalized children with...
Source: Thrombosis and Haemostasis - June 2, 2023 Category: Hematology Authors: Riten Kumar Michael J Rivkin Leslie Raffini Source Type: research

Hypercoagulation and Antithrombotic Treatment in Coronavirus 2019: A New Challenge.
Abstract The novel coronavirus 2019 (COVID-19) is clinically characterized by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which is responsible for a high number of patients needing mechanical ventilation or intensive care units treatment and for the elevated mortality risk. A link between COVID-19 and multiorgan failure may be dependent on the fact that most COVID-19 patients are complicated by pneumonia, which is known to be associated with early changes of clotting and platelet activation and artery dysfunction; these changes may implicate in thrombotic-related events such as myocardial infarct...
Source: Thrombosis and Haemostasis - April 28, 2020 Category: Hematology Authors: Violi F, Pastori D, Cangemi R, Pignatelli P, Loffredo L Tags: Thromb Haemost Source Type: research

Suggested treatment of serious complications to Covid-19 vaccination with IdeS, a bacterial antibody-cleaving enzyme
J Thromb Haemost. 2021 Jun 24. doi: 10.1111/jth.15433. Online ahead of print.ABSTRACTSeveral recent reports have independently described a rare thrombosis with thrombocytopenia syndrome (TTS) post vaccination with ChAdOx1 nCoV-19. In J. Thromb. Haemost., Ankerlund Blauenfeldt et al. [1] described the clinical presentation of a case of fatal acute ischemic stroke associated with profound thrombocytopenia. The pathogenesis behind this case may involve mechanisms similarly to autoimmune heparin-induced thrombocytopenia (HIT) since anti-platelet factor 4(PF-4) antibodies were detected in the patient plasma.PMID:34165239 | DOI:10.1111/jth.15433
Source: Thrombosis and Haemostasis - June 24, 2021 Category: Hematology Authors: Fredrik Kahn Oonagh Shannon Lars Bj örck Source Type: research

Pathogenic lipid-binding antiphospholipid antibodies are associated with severity of COVID-19
CONCLUSIONS: COVID-19 patients rapidly expand B1a cells secreting pathogenic lipid-binding aPL with broad thrombotic and inflammatory effects. The association with markers of inflammation and coagulation, clinical severity and mortality suggests a causal role of aPL in COVID-19 associated coagulopathy.PMID:34242469 | DOI:10.1111/jth.15455
Source: Thrombosis and Haemostasis - July 9, 2021 Category: Hematology Authors: Anne Hollerbach Nadine M üller-Calleja Denise Pedrosa Antje Canisius Martin F Sprinzl Tanja Falter Heidi Rossmann Marc Bodenstein Christian Werner Ingo Sagoschen Thomas M ünzel Oliver Schreiner Visvakanth Sivanathan Michael Reuter Johannes Niermann Pete Source Type: research

Thrombocytopenia with acute ischemic stroke and bleeding in a patient newly vaccinated with an adenoviral vector-based COVID-19 vaccine: COMMENT: COMMENT from Gruel et al.: RESPONSE from Kahn et al
J Thromb Haemost. 2021 Jul 17. doi: 10.1111/jth.15467. Online ahead of print.ABSTRACTWe acknowledge the commentary of Gruel et al. on our recent letter [1] and are pleased that the authors agree that IdeS may be a potential treatment option for the rare but potentially severe IgG-mediated platelet activation observed in complications to vaccination with ChAdOx1 nCoV-19. It is apparent that our respective but distinct expertise with regard to IdeS has led us to develop this hypothesis in parallel. As we clearly cited in our original letter these authors have previously contributed important evidence that IdeS may be benefic...
Source: Thrombosis and Haemostasis - July 17, 2021 Category: Hematology Authors: Fredrik Kahn Oongh Shannon Lars Bj örck Source Type: research

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