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Showing 25 to 36 of 257 entries
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Low-molecular-weight heparin-associated multiple digital necrosis in a patient as a result of heparin-induced thrombocytopenia syndrome.

Northern clinics of Istanbul

Kabakas F, Ugurlar M, Ugurlar OY, Bicer Y.
PMID: 34585078
North Clin Istanb. 2020 Aug 31;8(4):402-404. doi: 10.14744/nci.2020.37531. eCollection 2021.

Heparin-induced thrombocytopenia syndrome (HITS) is a rare complication of low-molecular-weight heparin (LMWH). It is an autoimmune-mediated side effect of LMWH which is caused by platelet-activating antibodies that recognize platelet factor-4/ heparin complexes. Although HITS often leads to thrombosis in...

European stroke organization interim expert opinion on cerebral venous thrombosis occurring after SARS-CoV-2 vaccination.

European stroke journal

Ferro JM, de Sousa DA, Coutinho JM, Martinelli I, Correnti R, Miller RJ.
PMID: 34746428
Eur Stroke J. 2021 Sep;6(3):CXVI-CXXI. doi: 10.1177/23969873211030842. Epub 2021 Jul 20.

Severe cases of cerebral venous thrombosis (CVT) with thrombocytopenia and anti-platelet factor 4 (PF4) antibodies occurring after adenoviral vector anti-SARS-CoV-2 vaccines have been recently reported. We aim to present a guidance document on the diagnosis and treatment of patients...

Antigen Presentation of mRNA-Based and Virus-Vectored SARS-CoV-2 Vaccines.

Vaccines

Rijkers GT, Weterings N, Obregon-Henao A, Lepolder M, Dutt TS, van Overveld FJ, Henao-Tamayo M.
PMID: 34451973
Vaccines (Basel). 2021 Aug 03;9(8). doi: 10.3390/vaccines9080848.

Infection with Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) causes Coronavirus Disease 2019 (COVID-19), which has reached pandemic proportions. A number of effective vaccines have been produced, including mRNA vaccines and viral vector vaccines, which are now being implemented...

SARS-CoV-2 vaccine-induced immune thrombotic thrombocytopenia.

Thrombosis research

Liu Y, Shao Z, Wang H.
PMID: 34894531
Thromb Res. 2021 Dec 06;209:75-79. doi: 10.1016/j.thromres.2021.12.002. Epub 2021 Dec 06.

SARS-CoV-2 vaccines have been carefully developed and significantly alleviate the global pandemic. However, a rare but severe complication after vaccination of adenoviral vector vaccines has attracted worldwide attention. It is characterized by thrombosis at unusual sites (often cerebral or...

SARS-CoV-2 vaccine-induced immune thrombotic thrombocytopenia.

Thrombosis research

Liu Y, Shao Z, Wang H.
PMID: 34894531
Thromb Res. 2021 Dec 06;209:75-79. doi: 10.1016/j.thromres.2021.12.002. Epub 2021 Dec 06.

SARS-CoV-2 vaccines have been carefully developed and significantly alleviate the global pandemic. However, a rare but severe complication after vaccination of adenoviral vector vaccines has attracted worldwide attention. It is characterized by thrombosis at unusual sites (often cerebral or...

Detection of Platelet-Activating Antibodies Associated with Heparin-Induced Thrombocytopenia.

Journal of clinical medicine

Tardy B, Lecompte T, Mullier F, Vayne C, Pouplard C.
PMID: 32344682
J Clin Med. 2020 Apr 24;9(4). doi: 10.3390/jcm9041226.

Heparin-induced thrombocytopenia (HIT) is a prothrombotic immune drug reaction caused by platelet-activating antibodies that in most instances recognize platelet factor 4 (PF4)/polyanion complexes. Platelet activation assays (i.e., functional assays) are more specific than immunoassays, since they are able to...

Prevalence of thrombocytopenia, anti-platelet factor 4 antibodies and D-dimer elevation in Thai people After ChAdOx1 nCoV-19 vaccination.

Research and practice in thrombosis and haemostasis

Uaprasert N, Watanaboonyongcharoen P, Vichitratchaneekorn R, Trithiphen S, Akkawat B, Sukperm A, Tongbai T, Jantarabenjakul W, Paitoonpong L, Rojnuckarin P.
PMID: 34568726
Res Pract Thromb Haemost. 2021 Sep 18;5(6):e12580. doi: 10.1002/rth2.12580. eCollection 2021 Aug.

BACKGROUND: Vaccine-induced immune thrombotic thrombocytopenia (VITT) is a rare distinctive syndrome characterized by unusual site thrombosis accompanied by thrombocytopenia after ChAdOx1 nCoV-19 vaccination. Platelet-activating anti-platelet factor 4-dependent antibodies (anti-PF4 Abs) were detected in most cases of VITT. To date,...

Prevalence of anti-platelet factor 4/polyanionic antibodies after COVID-19 vaccination with ChAdOx1 nCoV-19 and CoronaVac in Thais.

Research and practice in thrombosis and haemostasis

Noikongdee P, Police P, Phojanasenee T, Chantrathammachart P, Niparuck P, Puavilai T, Phuphuakrat A, Angchaisuksiri P, Boonyawat K.
PMID: 34667921
Res Pract Thromb Haemost. 2021 Oct 11;5(7):e12600. doi: 10.1002/rth2.12600. eCollection 2021 Oct.

INTRODUCTION: Vaccine-induced thrombotic thrombocytopenia (VITT) has been reported after vaccination with the adenoviral vector coronavirus disease 2019 (COVID-19) vaccine ChAdOx1 nCoV-19 in European countries. To date, two cases of VITT have been reported in Thais after COVID-19 vaccination. We...

Vaccine-induced immune thrombotic thrombocytopenia.

The Lancet. Haematology

Klok FA, Pai M, Huisman MV, Makris M.
PMID: 34774202
Lancet Haematol. 2021 Nov 11; doi: 10.1016/S2352-3026(21)00306-9. Epub 2021 Nov 11.

In response to the COVID-19 pandemic, vaccines for SARS-CoV-2 were developed, tested, and introduced at a remarkable speed. Although the vaccine introduction had a major impact on the evolution of COVID-19, some potential rare side-effects of the vaccines were...

Intracerebral Hemorrhage and Thrombocytopenia After AstraZeneca COVID-19 Vaccine: Clinical and Diagnostic Challenges of Vaccine-Induced Thrombotic Thrombocytopenia.

Cureus

Wilting FNH, Kotsopoulos AMM, Platteel ACM, van Oers JAH.
PMID: 34646685
Cureus. 2021 Sep 01;13(9):e17637. doi: 10.7759/cureus.17637. eCollection 2021 Sep.

Vaccine-induced immune thrombotic thrombocytopenia (VITT) is a prothrombotic disorder, which has been described as a rare adverse effect of the adenoviral-vectored coronavirus disease 2019 (COVID-19) vaccines. The diagnosis is confirmed by the detection of anti-platelet factor 4 (PF4) antibodies...

Long-term follow-up after successful treatment of vaccine-induced prothrombotic immune thrombocytopenia.

Thrombosis research

Thaler J, Jilma P, Samadi N, Roitner F, Mikušková E, Kudrnovsky-Moser S, Rettl J, Preiss R, Quehenberger P, Pabinger I, Knoebl P, Ay C.
PMID: 34624672
Thromb Res. 2021 Oct 04;207:126-130. doi: 10.1016/j.thromres.2021.09.017. Epub 2021 Oct 04.

BACKGROUND: Cases of ChAdOx1 nCoV-19 (AstraZeneca) vaccinated patients with thrombocytopenia, elevated D-dimer, and elevated platelet factor 4 (PF4) antibody levels with- and without thrombosis have been reported. No recommendations regarding the duration of anticoagulation have been made, because data...

Adenovirus-Vectored COVID-19 Vaccine-Induced Immune Thrombosis of Carotid Artery: A Case Report.

Neurology

Walter U, Fuchs M, Grossmann A, Walter M, Thiele T, Storch A, Wittstock M.
PMID: 34312301
Neurology. 2021 Jul 26; doi: 10.1212/WNL.0000000000012576. Epub 2021 Jul 26.

OBJECTIVE: Venous thromboses and thrombocytopenia after vaccination with the adenovirus-vectored COVID-19 vaccine ChAdOx1 nCov-19 (AstraZeneca) have been linked to serum antibodies against platelet factor 4 (PF4)-polyanion complexes. We here report vaccine-induced isolated carotid arterial thrombosis.METHODS: Imaging and laboratory findings,...

Showing 25 to 36 of 257 entries