ArticleResearch and practice in thrombosis and haemostasis2026
Coagulation activation in anorexia nervosa: increased tissue factor and prothrombin fragment 1+2.
Article in Research and practice in thrombosis and haemostasis, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: An increased risk of both venous and arterial thromboses in patients with anorexia nervosa (AN) has been established epidemiologically and reported via case reports. However, the coagulation system is incompletely studied in patients with AN. Objectives: To investigate the coagulation profile in patients with AN by assessing the tissue factor (TF) and contact activation pathways in plasma and whole blood. Methods: In a cross-sectional case-control study, 40 female patients with AN and 40 healthy, age-matched, normal-weight controls were included. Plasma coagulation markers, Results: Patients with AN had significantly higher plasma concentrations of TF, prothrombin fragment 1+2, C1 inhibitor, and high-molecular-weight kininogen and reduced kallikrein generation. No group differences were found in thrombin generation or rotational thromboelastometry variables. Conclusion: In this comparative cross-sectional study, we found that patients with AN exhibit modest coagulation activation, characterized by elevated plasma TF and prothrombin fragment 1+2, alongside increased C1 inhibitor and reduced contact activation potential. This indicates that the balance between coagulation activators and inhibitors is generally maintained, but with an imbalance in the contact activation pathway that does not indicate a procoagulant state. The findings suggest a shift toward
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