Can a common sedative boost microcirculation during keyhole surgery?
NCT ID NCT04946396
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether giving dexmedetomidine, a sedative, during laparoscopic gallbladder removal improves blood flow in the smallest blood vessels. Researchers used a special camera to look at the lining of the mouth in 64 adults. The goal was to see if the drug helps keep tiny vessels open and working well during anesthesia.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- dexmedetomidine
- What this could lead to
- If it works, this could help doctors choose anesthetics that protect small blood vessels during surgery, potentially improving recovery.
- What could go wrong
- This is a small, completed study with only 64 participants. It measures a temporary effect during surgery, not long-term outcomes, so results may not change practice directly.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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
-
Eduardo Tibiriçá
Rio de Janeiro, 22240006, Brazil
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