Blood flow clues may predict pain block success in arm surgery
NCT ID NCT07197281
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether changes in blood flow can quickly tell doctors if a nerve block has worked for arm surgery. Researchers will measure two blood flow signals in 50 adults before and after the block. If successful, this could help doctors confirm pain relief faster and avoid extra procedures.
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