• Filter By:
• Specialty
• Source
• Condition
• Cancer
• Infectious Disease
• Drug
• Training
• Management
• Procedure
• Therapy
• Vaccine
• Nutrition
• Country

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

Heparin-induced thrombocytopenia and thrombosis in a patient with Covid-19
Covid-19 has significant implications of hematologic systems, including lymphocytopenia, thrombocytopenia, ischemic or hemorrhagic stroke, pulmonary thromboembolism, and myocardial infarction [1,2]. Iwasaki et al. reported that the pathogen of Covid-19, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), can induce immune dysfunction, inflammation, and antibody-dependent enhancement by activating host cells via the Fc γIIa receptor in the same way as SARS-CoV-1 [3].
Source: Thrombosis Research - August 2, 2020 Category: Hematology Authors: Ching-Tai Huang, Shao-Yun Hsu, Ko-Wei Chang, Chung-Guei Huang, Cheng-Ta Yang, Ming-Huei Cheng Tags: Letter to the Editors-in-Chief 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

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

Complement dysregulation is associated with severe COVID-19 illness
Haematologica. 2021 Jul 22. doi: 10.3324/haematol.2021.279155. Online ahead of print.ABSTRACTSevere acute respiratory syndrome coronavirus-2 (SARS-CoV-2) may manifest as thrombosis, stroke, renal failure, myocardial infarction, and thrombocytopenia, reminiscent of other complement-mediated diseases. Multiple clinical and preclinical studies have implicated complement in the pathogenesis of COVID-19 illness. We previously found that the SARS-CoV-2 spike protein activates the alternative pathway of complement (APC) in vitro through interfering with the function of complement factor H, a key negative regulator of APC. Here, w...
Source: Haematologica - July 22, 2021 Category: Hematology Authors: Jia Yu Gloria F Gerber Hang Chen Xuan Yuan Shruti Chaturvedi Evan M Braunstein Robert A Brodsky Source Type: research

Platelets and COVID-19
Hamostaseologie. 2021 Oct;41(5):379-385. doi: 10.1055/a-1581-4355. Epub 2021 Oct 25.ABSTRACTIn 2019 first reports about a new human coronavirus emerged, which causes common cold symptoms as well as acute respiratory distress syndrome. The virus was identified as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and severe thrombotic events including deep vein thrombosis, pulmonary embolism, and microthrombi emerged as additional symptoms. Heart failure, myocardial infarction, myocarditis, and stroke have also been observed. As main mediator of thrombus formation, platelets became one of the key aspects in SARS-C...
Source: Hamostaseologie - October 25, 2021 Category: Hematology Authors: Anne-Katrin Rohlfing Dominik Rath Tobias Geisler Meinrad Gawaz Source Type: research

Pages: 1  2