Pulse wave test may replace needles to check nerve block success
NCT ID NCT07669688
First seen Jun 27, 2026 · Last updated Jul 08, 2026 · Updated 2 times
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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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Sakarya University-Anesthesiology and Reanimation Department
Sakarya, Turkey (Türkiye)
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