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Lupus Anticoagulant: Remarkable observations in ECAT surveys
7th ECAT International Symposium 2010
Speaker
Titel
Abstract
Presentation
P. Meijer
Lupus Anticoagulant: Remarkable observations in ECAT surveys
Related items
Analytical Information :
5
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
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 :
4
Prekallikrein deficiency
Effect of high haematocrit levels on coagulation testing
A patient with mild haemophilia A
Lupus Anticoagulant-Hypoprothrombinemia Syndrome
ECAT Documents :
75
External quality assessment of the manual tilt tube technique for prothrombin time testing: a report from the IFCC-SSC/ISTH Working Group on the Standardization of PT/INR
Comparison of Thrombophilia Assay Results for the International Society on Thrombosis and Haemostasis Scientific and Standardization Committee Plasma Standard from Different External Quality Assessment Providers—for the External Quality Assurance in Thrombosis and Haemostasis Group
Phospholipids
Lupus Anticoagulant (LA)
Intrinsic Pathway of Coagulation
Hemostasis
Control Plasma
Contact Activation
Common Pathway of Coagulation
Coagulation Cascade
Coagulation (Clotting)
Bias
Accuracy
Activated Partial Thromboplastin Time Test (APTT)
Differential sensitivity of von Willebrand factor activity assays to reduced VWF molecular weight forms: A large international cross-laboratory study
Lack of grading agreement among international hemostasis external quality assessment programs
Towards harmonization of external qualityassessment/proficiency testing in hemostasis
D-dimer - An International Assessment of the Quality of Laboratory Testing: Implications for D-dimer Use in the Real World
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)
Heparin‐induced thrombocytopenia: An international assessment of the quality of laboratory testing
Analytical variation in factor VIII one‐stage and chromogenic assays: Experiences from the ECAT external quality assessment programme
International external quality assessment for measurements of direct oral anticoagulants: results and recommendations.
Performance of factor IX extended half-life product measurements in external quality control assessment programs
Quality performance for indirect Xa inhibitor monitoring in patients using international external quality data
The result of the ECAT HIT surveys
The results of the workshop on inhibitor testing
A scoring system based on the biological variation
Platelet function testing: laboratory tests and quality control
The results of the ECAT pilot study on FXIII testing
The antiphospholipid syndrome: a laboratory phenomenon?
External quality control: a new decade
Results of the interpretative platelet surveys
Lupus Anticoagulant: Do guidelines work in practice?
Lupus Anticoagulant: Update of the SSC guidelines
Quality planning in the Haemostasis Laboratory
How to use EQA results in the laboratory?
The results of fibrinolytic surveys
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
External quality control for CoaguChek XS INR monitors
The CLSI & BCSH algorithms for Lupus anticoagulant testing
The SSC algorithm for Lupus testing
Biochemical background of Lupus Anticoagulant
Measurement of new oral anticoagulans
Factor VIII inhibitor testing – a way to comparable test results
Pre-analytical Variables in the Hemostasis Laboratory
Quality assurance of the entire diagnostic process
ECAT survey results on ADAMTS13 testing
The pathophysiology of Lupus Anticoagulant and the consequences for the laboratory diagnostics
EQA results for POCT INR testing
Slope and parallelism of APTT dilution curves: new insights
The new CLSI guideline on Lupus Anticoagulant testing
ECAT survey results on direct oral anticoagulant testing
Thrombosis webinar 2021, Antiphospholipid Antibody, Anticoagulation bridging
Bleeding webinar 2021, von Willebrand
COVID-19 and Haemostasis webinar 2021
Lupus Anticoagulants webinar 2023
How to use EQA results within the laboratory
The relevance of pre-operative hemostasis screening
ECAT: Towards sustainable EQA
Is standardisation in coagulation feasible?
Developmental haemostasis: consequences for clinical practice
Future perspective in quality assurance
Quality Assurance of extended half-life products
New developments within ECAT
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
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?
When Haemostasis Assays Mislead
Systematic review and meta-analysis of within-subject and between-subject biological variation data of coagulation and fibrinolytic measurands
Guidelines :
2
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)
Quality Issues :
9
Bivariate Z-score Analysis
An approach for estimating measurement uncertainty in medical laboratories using data from long-term quality control and external quality assessment schemes
A systematic approach for handling unacceptable EQA results
Biological Variation of Hemostasis Variables in Thrombosis and Bleeding: Consequences for Performance Specifications
External quality control for CoaguChek XS INR monitors
Quality control in the haemostasis laboratory
Long-term evaluation of EQA results
Algorithm A, a new statistical approach for the evaluation of survey results
External Quality Assessment in haemostasis
Surveys and Studies :
2
Emicizumab pilot study, part II
Performance of factor IX extended half-life product measurements in external quality control assessment programs
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