Ear zap during heart surgery may ward off Post-Op delirium
NCT ID NCT07476742
First seen Mar 20, 2026 · Last updated Jun 20, 2026 · Updated 15 times
Summary
This study tests a device that gently stimulates a nerve in the ear during heart surgery. The goal is to see if it lowers the chance of postoperative delirium, anxiety, and depression. About 270 adults having elective heart surgery will be randomly assigned to receive real or sham stimulation. Neither the patients nor the doctors will know who gets which treatment.
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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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Locations
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First Medical Center of Chinese PLA General Hospital, Beijing, China.
Beijing, China
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
transcutaneous auricular vagus nerve stimulation (taVNS) device
What this could lead to
If it works, this could offer a simple, non-drug way to prevent confusion and mood problems after heart surgery.
What could go wrong
This is an early-stage trial with no phase, so results are uncertain. The effect may be small or no better than sham stimulation.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.