The effect of perineural dexamethasone on rebound pain after ropivacaine single-injection nerve block: a randomized controlled trial.

combination, p = 0.042), brachial nerve block approach ( p = 0.070), usage of tourniquet ( p = 0.070), NRS pain score with movement ( p = 0.047) before block administration and sleep quality score on the night before surgery ( p = 0.066) were found to be significantly associated with rebound pain (marginally significant); thus, we included these factors and fracture location ( p = 0.430) in multivariate logistic regression analysis.

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For ropivacaine, the mean duration of analgesia was increased by 12% with perineural dexamethasone compared with systemic dexamethasone, which did not reach statistical significance.

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