Key result
Peripheral nerve blocks significantly reduced pain on movement within 30 minutes of placement (SMD -1.05) and decreased the risk of acute confusional state (RR 0.67) compared to no nerve block.
Why the study?
Updating was needed due to high hip fracture incidence, numerous society recommendations, potential to improve patient outcomes, and PNBs' role in reducing opioid use.
Do peripheral nerve blocks reduce pain on movement, acute confusional state, and other complications in adults with hip fracture?
Systematic Review (n=3,061)
Do peripheral nerve blocks reduce pain on movement, acute confusional state, and other complications in adults with hip fracture?
Standardized Mean Difference: -1.05 (95% CI -1.25–-0.86)
Peripheral nerve blocks provide effective pain relief and reduce the risk of acute confusional state in adults with hip fractures.
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Supports incorporation into hip fracture protocols; confirms benefits in Level 1 evidence synthesis.
A 2020 study conducted a systematic review in hip fracture (n=3,061). Peripheral nerve blocks vs. no nerve block (or sham block) was evaluated on Pain on movement within 30 minutes of block placement (SMD -1.05, 95% CI -1.25 to -0.86). Peripheral nerve blocks significantly reduced pain on movement within 30 minutes of placement (SMD -1.05) and decreased the risk of acute confusional state (RR 0.67) compared to no nerve block.
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