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Platelet-Derived Microparticles (MPs) and Thrombin Generation Velocity in Deep Vein Thrombosis (DVT): Results of a

Salvatore Santo Signorelli1, Gea Oliveri Conti2, Maria Fiore2

  • 1Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy.

Vascular Health and Risk Management
|December 4, 2020
PubMed
Abstract

Insights

Platelet microparticles (MPs) may indicate an activated procoagulative state in deep vein thrombosis (DVT). Research should explore platelet pathways in unprovoked DVT beyond cancer-associated cases.

Area of Science:

  • Hematology
  • Vascular Biology
  • Thrombosis Research

Background:

  • The role of platelets (Ps) and platelet-derived microparticles (MPs) in venous thromboembolism (VTE) remains under investigation.
  • Understanding these roles is crucial for developing effective VTE treatments and preventative strategies.

Purpose of the Study:

  • To investigate the association between platelet-derived microparticles (MPs), thrombin formation (PiCT), and phospholipid generation (PLPs) in patients with unprovoked deep vein thrombosis (DVT).
  • To compare these markers in DVT patients versus healthy controls.

Main Methods:

  • Quantified MPs, PiCT velocity, and PLPs in 40 patients with unprovoked DVT.
  • Compared measurements against 40 age- and sex-matched healthy controls.

Main Results:

  • Platelet microparticles (MPs) were numerically higher in DVT patients (7.12 nM) than controls (5.45 nM), though not statistically significant (p=0.19).
  • Thrombin generation (PiCT velocity) was significantly lower in DVT patients (1.87 sec) compared to controls (1.95 sec) (p=0.04).
  • Phospholipid generation (PLPs) was significantly higher in DVT patients (77.03 µg/mL) than controls (68.65 µg/mL) (p=0.02).

Conclusions:

  • The findings suggest that MPs, alongside PiCT and PLPs, may reflect an activated procoagulative state in unprovoked DVT.
  • Further research is recommended to explore the role of platelet and platelet-derived microvesicle pathways in unprovoked DVT, extending beyond cancer-associated VTE.
Keywords:
biomarkersdeep vein thrombosisextracellular vesiclesmicroparticlesplatelet

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