Ultrasound vs. blind injection: which numbing method works best for upper arm surgery?
NCT ID NCT05864872
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two methods to block nerves in the upper arm during surgery to reduce pain from a tourniquet. 140 adults having upper arm surgery received either a blind injection or an ultrasound-guided injection. The goal was to see which approach provides better pain relief and numbness.
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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.
Contacts and locations
Locations
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KAABACHI
Tunis, 2010, Tunisia
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