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Related Experiment Video

Updated: May 11, 2026

Microfluidics in Assessing Platelet Function

Microfluidics in Assessing Platelet Function

Published on: November 8, 2024

Pneumatic tube transport affects platelet function measured by multiplate electrode aggregometry.

Simon Thalén¹, Ida Forsling, Jaak Eintrei

¹Clinical Chemistry, Karolinska University Laboratory, Karolinska University Hospital, Stockholm, Sweden. thalen.simon@gmail.com

Thrombosis Research

|May 28, 2013

Summary

Pneumatic tube transport systems (PTS) significantly impact platelet function tests. Avoid using PTS for sample transport when making clinical decisions about platelet activity.

Keywords:

Anti-platelet treatment MEA Multiplate Multiple electrode aggregometry PTS Platelet function Pneumatic tube transport system

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Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

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Published on: May 2, 2025

Area of Science:

Clinical pathology
Hematology
Laboratory medicine

Background:

Multiple electrode aggregometry (MEA) assesses platelet function, crucial for diagnosing bleeding disorders.
Pneumatic tube transport systems (PTS) are utilized to expedite sample delivery to laboratories.
The impact of PTS on MEA results requires thorough investigation to ensure diagnostic accuracy.

Purpose of the Study:

To evaluate the effect of PTS transport on platelet function measurements using MEA.
To compare MEA results from PTS-transported samples with manually transported samples.

Main Methods:

Duplicate blood samples were collected from 58 individuals.
One sample from each pair was transported via PTS, the other manually.
Platelet function was analyzed using a Multiplate® analyzer with ADP, ASPI, COL, RISTO, and TRAP tests.

Main Results:

PTS transport led to significant reductions in AUC values for all tested platelet function assays, with some reductions up to 100%.
A majority of PTS-transported samples showed >20% reduction in AUC values compared to manual transport.
Bias and limits of agreement varied across tests, indicating inconsistent effects of PTS transport.

Conclusions:

PTS transport demonstrably alters platelet function measurements obtained by MEA.
Clinical decisions regarding platelet function should not be based on samples transported via PTS in this setting.
Further research may be needed to optimize PTS protocols or identify alternative transport methods.