Measurement of heparin, direct oral anti-coagulants and other non-coumarin anti-coagulants and their effects on haemostasis assays: A British Society for Haematology Guideline

Measurement of heparin, direct oral anti-coagulants and other non-coumarin anti-coagulants and their effects on haemostasis assays: A British Society for Haematology Guideline

This guideline aims to update healthcare professionals working in the UK on the measurement of anti-coagulants (other than coumarins) currently licensed for use in the UK, and their effects on laboratory assays (Table 1). It provides recommendations based on the body of literature produced since the previous guidance published in 2014.¹ Direct factor (F)XIa- and direct FXIIa-inhibiting anti-coagulants are at various stages of development but not yet licensed, so are not discussed in this guideline.² The recent guidelines from the International Society of Thrombosis and Haemostasis Scientific Standardization Committee (ISTH/SSC) on the nomenclature to be used when describing non-vitamin K anti-coagulation³ are followed.


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