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Diagnostics of thrombocytopenias
A V Mazurov1, S G Khaspekova1, S A Vasiliev2
1National Medical Research Center for Cardiology Russian Ministry of Health, Moscow, Russia.
Terapevticheskii Arkhiv
|February 1, 2019
Summary
Laboratory diagnostics differentiate immune and hypoproductive thrombocytopenias by analyzing antiplatelet antibodies and platelet production. Key tests include immunoglobulin measurement, reticulated platelet counts, and soluble glycocalicin levels.
Area of Science:
- Hematology
- Immunology
- Clinical Diagnostics
Background:
- Thrombocytopenia diagnosis requires distinguishing between immune-mediated platelet destruction and impaired platelet production.
- Immune thrombocytopenias involve antiplatelet antibodies, while hypoproductive forms stem from bone marrow issues.
- Accurate laboratory diagnostics are crucial for effective patient management.
Purpose of the Study:
- To review laboratory methods for diagnosing thrombocytopenias.
- To differentiate between immune and hypoproductive thrombocytopenias.
- To highlight key diagnostic markers for platelet production and antibody presence.
Main Methods:
- Analysis of auto- and alloantiplatelet antibodies using various immunological assays.
- Evaluation of platelet production and turnover via reticulated platelet counts.
- Measurement of plasma soluble glycocalicin as an indicator of platelet destruction.
Main Results:
- Immune thrombocytopenia cases show increased reticulated platelets and normal/elevated soluble glycocalicin, with autoantibodies detected.
- Hypoproductive thrombocytopenia cases have normal/slightly increased reticulated platelets, decreased soluble glycocalicin, and absent/low autoantibodies.
- Specific diagnostic approaches for hapten and alloimmune thrombocytopenias are also discussed.
Conclusions:
- Laboratory diagnostics effectively differentiate immune and hypoproductive thrombocytopenias based on antibody profiles and platelet kinetics.
- Reticulated platelet counts and soluble glycocalicin levels provide valuable insights into platelet production and destruction rates.
- Comprehensive laboratory evaluation guides appropriate treatment strategies for various thrombocytopenic conditions.
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