Skip to content
When Haemostasis Assays Mislead
12th ECAT International Symposium 2022
Speaker
Titel
Abstract
Presentation
video
G. Moore
When Haemostasis Assays Mislead
Related items
Analytical Information :
10
A computer-based model to access costs associated with the use of factor VIII and factor IX one-stage and chromogenic activity assay
Minimum citrate tube fill volume for routine coagulation testing
Lupus anticoagulant testing: analyzing fresh samples after a single centrifugation and after a 6-8 hr delay
Interference of rivaroxaban in one-stage and chromogenic factor VIII:C assays
The responsiveness of different APTT reagents to mild factor VIII, IX and XI deficiencies
Results of a workshop on the inter-laboratory variability of analysis of type 1 factor VIII Inhibitors
The do’s and don’ts of laboratory detection of haemostasis-inhibitors: lessons from a workshop
Comparison of two statistical software programs for determining reference intervals of screening coagulation assays
Analytical performance specifications for hemostasis parameters
The effect of Rivaroxaban on haemostasis assays; results from ECAT surveys
Cases :
14
Prekallikrein deficiency
Effect of high haematocrit levels on coagulation testing
Acquired protein S deficiency with purpura fulminans presentation in the aftermath of varicella zoster in a child
A patient with acquired factor X deficiency and metastatic carcinoma of the bladder: is there a link between metastasis and factor deficiency in solid tumours?
A patient with mild haemophilia A
Isolated acquired factor VII deficiency: Report of Two Cases and Review of the Literature
Acquired factor X deficiency
Lupus Anticoagulant-Hypoprothrombinemia Syndrome
Haemophilia B and treatment, case study
Haemophilia A and treatment, case study
Dysfibrinogenemia, case study
A severe haemophilia A patient treated with emicizumab, case study
Acquired haemophilia A
Acquired Hemophilia A, case study
ECAT Documents :
94
Thrombus (plural form is Thrombi)
Phospholipids
Lupus Anticoagulant (LA)
Intrinsic Pathway of Coagulation
Inhibitor
Hypofibrinogenemia
Hemostasis
Hemophilia B
Hemophilia A
Fibrinogen (FI) and Fibrinogen Assay
Fibrin
Factor X (FX)
Factor IX Concentrates
Factor IX (FIX)
Factor VIII (FVIII)
Factor VII (FVII)
Extrinsic Pathway of Coagulation
Dysfibrinogenemia
Desmopressin Acetate (DDAVP)
Coumarin
Contact Activation
Common Pathway of Coagulation
Coagulation Factors
Coagulation Cascade
Coagulation (Clotting)
Clot (Blood Clot)
Bethesda Inhibitor Assay (Titer)
Antithrombin
Laboratory issues related to the measurement of efanesoctocog alfa webinar 2025
Activated Partial Thromboplastin Time Test (APTT)
Detecting molecular forms of antithrombin by LC-MRM-MS: defining the measurands
Pre-analytical practices for routine coagulation tests in European laboratories. A collaborative study from the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM)
Analytical variation in factor VIII one‐stage and chromogenic assays: Experiences from the ECAT external quality assessment programme
Subcommittee on Plasma Coagulation Inhibitors. Recommendations for clinical laboratory testing for antithrombin deficiency; Communication from the SSC of the ISTH.
Performance of factor IX extended half-life product measurements in external quality control assessment programs
The results of the workshop on inhibitor testing
Inhibitor testing: positive or negative? True or False?
The antiphospholipid syndrome: a laboratory phenomenon?
The laboratory diagnosis of vWD: current insights
Factor VIII Inhibitor Testing, the way to better comparison of test results
Lupus Anticoagulant: Remarkable observations in ECAT surveys
Lupus Anticoagulant: Do guidelines work in practice?
Lupus Anticoagulant: Update of the SSC guidelines
Case studies in Bleeding disorders
How do laboratories interpret unexpected APTT prolongation?
Towards diagnostic quality control: a pilot study on acquired inhibitors
Algoritm for Laboratory Investigations in Case of a prolonged APTT
The CLSI & BCSH algorithms for Lupus anticoagulant testing
The SSC algorithm for Lupus testing
Biochemical background of Lupus Anticoagulant
First experience of ECAT with Measurement of New Oral Anticoagulation Drugs
Measurement of new oral anticoagulans
Factor VIII inhibitor testing – a way to comparable test results
The performance of FVIII and FIX measurement in ECAT surveys
Laboratory assays for the measurement of Factor VIII and IX
Gene therapy, the future in hemophilia treatment?
Pre-analytical Variables in the Hemostasis Laboratory
The role of molecular biology in the diagnosis of impaired haemostasis
Introduction on Inhibitor Testing
The pathophysiology of Lupus Anticoagulant and the consequences for the laboratory diagnostics
Slope and parallelism of APTT dilution curves: new insights
ECAT survey results for low levels of Factor VIII
How to measure low levels of Factor VIII and IX
The new CLSI guideline on Lupus Anticoagulant testing
Thrombosis webinar 2021, Antiphospholipid Antibody, Anticoagulation bridging
Lupus Anticoagulants webinar 2023
The relevance of pre-operative hemostasis screening
Introduction on Inhibitor Testing
Haemophilia, new development in patient treatment
Is standardisation in coagulation feasible?
Laboratory Guidelines for Antithrombin, Proteins C and S, and APC-Resistance Testing
Developmental haemostasis: consequences for clinical practice
Quality Assurance of extended half-life products
Laboratory measurement of extended half-life FVIII
Laboratory measurement of extended half-life FIX
Potency labelling of extended half-life FVIII en FIX products
Treatmentof patients with extended half-life FVIII and FIX products
The use of snake venoms in the coagulation laboratory
Interferences in Lupus testing
Thrombotic APS pathophysiology: consequences for laboratory diagnosis
EFLM/EQALM on the laboratory diagnosis of a prolonged APTT
Factor VIII testing: results of ECAT surveys
One-stage clotting assay versus chromogenic testing in the diagnosis of haemophilia patients
Haemophilia treatment and laboratory testing
New developments in haemophilia treatment
Antiphospholipid Antibody Assay results and clinical implications
Follow-up of LA positieve patients
What information does the doctor expect from the laboratory? What kind of services can a laboratory deliver to the physician?
Next-generation antithrombin diagnostics by mass spectrometry
Hemophilia and gene therapy
Guidance for FVIII/FIX Inhibitor testing
Impact of COVID-19 pandemic on the quality of test output in haemostasis laboratories
Systematic review and meta-analysis of within-subject and between-subject biological variation data of coagulation and fibrinolytic measurands
International Council for Standardization in Haematology recommendations for laboratory measurement of factor VIII and FIX type I inhibitors
Guidelines :
4
ICSH recommendations for the performance and interpretation of activated partial thromboplastin time and prothrombin time mixing tests
Field Study Evaluating Optimal Interpretation Methods for Activated Partial Thromboplastin Time and Prothrombin Time Mixing Studies (ICSH)
Recommendations for laboratory measurement of factor VIII and FIX type I inhibitors, ICSH recommendations
Recommendations on fibrinogen assays, thrombin clotting time and related tests in the investigation of bleeding disorders, ICSH recommendations
Haemostatic Cascade :
7
TF Pathway (Extrinsic) with Common Pathway (PT)
Intrinsic Pathway APTT
Fibrinolytic Pathway
Coagulation Pathways (All Components)
Activation of TAFI by Thrombin
Activation of Protein C by Thrombin
Activation of Platelets by Thrombin
Quality Issues :
4
Biological Variation of Hemostasis Variables in Thrombosis and Bleeding: Consequences for Performance Specifications
Quality Assurance of replacement therapy and future perspectives
External quality assessment for Factor VIII and Factor IX
The between-laboratoy variation of Factor VIII inhibitor testing
Surveys and Studies :
3
Emicizumab pilot study, part II
Emicizumab pilot study, part I
Performance of factor IX extended half-life product measurements in external quality control assessment programs
Questions or suggestions?
Clotpedia Support Form
Submit
Success
