Randomized Controlled Study on the Effect of Intravenous Administration of Dexamethasone on the Control of Rebound Tenderness after Thoracic Paravertebral Block/LI Ming.//Medical Innovation of China，2025， 22(12)： 140-143

    [Abstract]Objective：To evaluate the clinical eect of intravenous administration of Dexamethasone in preventing rebound tenderness after thoracic paravertebral block (TPVB). Method： A total of 102 patients who underwent open reduction and internal fixation for multiple ribfractures in the FirstPeople's Hospitalof Fuzhou from September 2021 to June 2024 were selected as the study objects，andthey were divided into T group( n =51， received TPVB) and TD group ( n =51， received intravenous administration of Dexamethasone after TPVB) by random number table method.The incidence of rebound tenderness， resting numerical rating scale (NRS) score， postoperative analgesia and adverse reactions were compared between the two groups. Result： The incidence of rebound tenderness in TD group was 21.57 % (11/51)， which was significantly lower than 45.10% (23/51) in T group， the difference was statistically significant ( =6.353 ......