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Related Concept Videos

Structure and Function of Platelets01:18

Structure and Function of Platelets

The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000 platelets, with...

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Microfluidics in Assessing Platelet Function
06:47

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Published on: November 8, 2024

Testing for Non-Severe Heritable Platelet Function Disorders.

Kate Burley1,2, Naomi Cornish1,2, Maria Molina Carretero2

  • 1Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.

International Journal of Laboratory Hematology
|July 3, 2026
PubMed
Summary

Heritable platelet function disorders (HPFD) are bleeding disorders due to platelet defects. Diagnosis of non-severe HPFD is challenging, requiring advanced tools beyond basic assessments.

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Last Updated: Jul 5, 2026

Microfluidics in Assessing Platelet Function
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09:49

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Published on: February 14, 2017

Area of Science:

  • Hematology
  • Genetics
  • Clinical Diagnostics

Background:

  • Heritable platelet function disorders (HPFD) are a diverse group of bleeding disorders.
  • Severe HPFD, like Glanzmann thrombasthenia and Bernard Soulier syndrome, have well-defined phenotypes.
  • Non-severe HPFD are less characterized, posing diagnostic challenges.

Purpose of the Study:

  • To review updates in diagnostic approaches for non-severe HPFD since 2014.
  • To highlight challenges in distinguishing non-severe HPFD from other conditions.
  • To discuss advancements in laboratory and genetic diagnostic tools.

Main Methods:

  • Review of diagnostic strategies for non-severe HPFD.
  • Discussion of bleeding assessment tools, platelet function assays (aggregometry, secretion, flow cytometry), and genetic sequencing.
  • Analysis of challenges in standardizing phenotyping and interpreting genetic variations.

Main Results:

  • Bleeding assessment tools can aid initial evaluation but have limitations.
  • Sophisticated laboratory assays are crucial for differentiating non-severe HPFD from acquired disorders and other hemostatic defects.
  • High-throughput genetic sequencing offers diagnostic potential but faces standardization and interpretation hurdles.

Conclusions:

  • Accurate diagnosis of non-severe HPFD requires a multi-faceted approach combining clinical assessment, advanced laboratory testing, and genetic analysis.
  • Standardization of laboratory phenotyping and genetic interpretation remains critical for improving diagnostic accuracy.
  • Continued research and development of diagnostic tools are essential for better patient management.