Background: We present the case study of a 28-year-old pregnant woman with antithrombin deficiency who was treated with low-molecular-weight heparin (LMWH).
Methods: Due to severe homozygous type II antithrombin heparin binding site (HBS) deficiency, the thrombin generation (TG) was monitored in this woman via the Thrombin Generation Assay (TGA). We used Siemens diagnostic kits Berichrom® Antithrombin III (IIa) and INNOVANCE® Antithrombin (Xa) to determine antithrombin activity. We used a chromogenic method for determination of factor Xa (FXa) inhibition.
Results: There were no thrombotic complications during the whole pregnancy of the observed woman. Antithrombin was administered before and after delivery, which was significantly reflected in the decrease in thrombin generation.
Conclusions: Consistent monitoring of thrombin generation with LMWH anticoagulant therapy administration during pregnancy together with antithrombin administration before and after delivery can improve the overall condition of pregnant women and the quality of their care.
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http://dx.doi.org/10.7754/Clin.Lab.2023.230435 | DOI Listing |
Br J Anaesth
January 2025
Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria; Department of Anesthesiology and Intensive Care Medicine AUVA Trauma Center Salzburg, Academic Teaching Hospital of the Paracelsus Medical University, Salzburg, Austria.
Background: Bleeding guidelines currently recommend use of viscoelastic testing (VET) to direct haemostatic resuscitation in severe haemorrhage. However, VET-derived parameters of clot initiation, such as clotting time (CT) and activated clotting time (ACT), might not adequately reflect a clinically relevant interaction of procoagulant and anticoagulant activity, as revealed by thrombin generation assays. The aim of this study was to evaluate the ability of CT and ACT to indicate thrombin generation activity.
View Article and Find Full Text PDFShock
December 2024
Division of Trauma, Critical Care, and General Surgery, Department of Surgery, Mayo Clinic, 200 1st St. SW, Rochester, MN, United States 55905.
Background: Neutrophil extracellular traps (NETs), and its formation and release, known as NETosis, may play a role in the initiation of thrombin generation (TG) in trauma. The objective of this study was to assess whether trauma patients, who develop symptomatic venous thromboembolism (VTE), have increased levels of plasma citrullinated histone H3 (CitH3) and accelerated TG kinetics.
Methods: Patients presenting to a Level I Trauma Center as trauma activations had samples collected within 12 hours of time of injury (TOI), alongside healthy volunteers (HV).
Physiol Rep
January 2025
Gravitational Physiology and Medicine Research Unit, Division of Physiology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria.
Available evidence suggests that various medical/rehabilitation treatments evoke multiple effects on blood hemostasis. It was therefore the aim of our study to examine whether fascial manipulation, vibration exercise, motor imagery, or neuro-muscular electrical stimulation can activate the coagulation system, and, thereby, expose patients to thrombotic risk. Ten healthy young subject were enrolled in the study.
View Article and Find Full Text PDFSens Actuators B Chem
January 2025
Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD 21218, USA.
Sensitive detection of disease-specific biomarkers with high accuracy is crucial for early diagnosis, therapeutic monitoring, and understanding underlying pathological mechanisms. Traditional methods, such as immunohistochemistry and enzyme-linked immunosorbent assays (ELISA), face limitations due to the complex and expensive production of antibodies. In this context, aptamers, short oligonucleotides with advantages like easy synthesis, low cost, high specificity, and stability, have emerged as promising alternatives for biomolecular sensing.
View Article and Find Full Text PDFFront Vet Sci
December 2024
Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States.
Introduction: Cardiogenic arterial thromboembolism (CATE) is a life-threatening complication of hypertrophic cardiomyopathy (HCM) with a high mortality rate. As the primary responders in hemostasis, platelets play a crucial role in the progression of CATE. Procoagulant platelets are a subpopulation of activated platelets that facilitate thrombin generation to strengthen thrombus structure.
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