Heart surgery blood test showdown: arterial vs venous – does it matter?
NCT ID NCT05875272
First seen Jun 19, 2026 · Last updated Jun 19, 2026
Summary
This study looks at whether blood clotting tests work the same whether the blood comes from an artery or a vein during heart surgery with a bypass machine. Researchers will take paired blood samples from 201 patients and test them using the Hemochron Signature Elite device. The goal is to see if the sampling site affects the results, which could help make anticoagulation monitoring more reliable.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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CHU Amiens Picardie
RECRUITINGAmiens, France
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could confirm that either arterial or venous blood can be used reliably for clotting tests during heart surgery, simplifying procedures.
What could go wrong
This is an observational study, not testing a new treatment. It only checks if the device works the same with both blood types, so it won't directly improve patient outcomes.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.