期刊
JOURNAL OF THROMBOSIS AND HAEMOSTASIS
卷 20, 期 1, 页码 149-156出版社
WILEY
DOI: 10.1111/jth.15572
关键词
adenoviral vector-based vaccine; AstraZeneca; cerebral vein sinus thrombosis; platelets; SARS-CoV-2 vaccine; vaccine-induced immune thrombotic thrombocytopenia
VITT is a rare but severe immunological reaction to non-replicable adenoviral vector-based COVID-19 vaccines, causing extreme activation of platelets and the coagulation system, increasing the risk of death. The World Health Organization provided guidelines for the diagnosis and management of VITT, and authors summarized new clinically relevant information with recommendations for low resource environments.
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is a rare but severe immunological reaction to the non-replicable adenoviral vector-based COVID-19 vaccines. Extreme activation of platelets and the coagulation system leads to a high risk of death from venous or arterial thrombosis or secondary hemorrhage. Public and clinician awareness has reduced mortality of VITT by nearly 90%. The World Health Organization provided a guideline in July 2021 on diagnosis and management of VITT (also called thrombosis with thrombocytopenia syndrome, or TTS). Since July 2021, new, clinically relevant information has become available. This update has been summarized by the authors in an informal process with recommendations for low resource environments. We provide new available evidence on VITT to empower clinicians to recognize VITT early, then effectively diagnose and treat the disorder to reduce morbidity and mortality. We strongly encourage production of clear management pathways for primary care settings and hospital settings.
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