Pulse wave test may replace needles to check nerve block success
NCT ID NCT07669688
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether a non-invasive measurement called pulse wave transit time (PWTT) can detect when a nerve block has taken effect. Researchers will monitor 25 patients having hand surgery under an infraclavicular block. PWTT and other vital signs will be recorded before and after the block to see if changes in blood vessel tone reliably indicate successful sympathetic blockade.
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 provide a simple, non-invasive way to confirm that a nerve block is working during surgery.
What could go wrong
This is a very small, early observational study with only 25 participants. It is not testing a treatment, so it cannot lead to a cure or therapy on its own.
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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: •••••@•••••
Locations
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Sakarya University-Anesthesiology and Reanimation Department
Sakarya, Turkey (Türkiye)
Contact Phone: •••-•••-•••• Email: •••••@•••••