• Zhaohui Cui, Xue Liu, Yuanjun Teng, Jin Jiang, Jing Wang, and Yayi Xia.
• Orthopaedics Key Laboratory of Gansu Province, The Second Hospital of Lanzhou University, No. 82 Cuiyingmen, Chengguan District, Lanzhou City, 730030, Gansu Province, China, plkoiujght@163.com.
• Knee Surg Sports Traumatol Arthrosc. 2015 Aug 1; 23 (8): 2306-14.

PurposeA systematic review and meta-analysis based on randomized controlled trials (RCTs) was conducted to evaluate the efficacy and safety of steroid injection in total knee or hip arthroplasty (TKA/THA).MethodsA systematical electronic search identified the relevant RCTs in the databases of PubMed, EMBASE, MEDLINE and Cochrane Central Register of Controlled Trials. Two reviewers independently completed data collection and assessment of methodological quality. Meta-analysis was performed for the outcomes of visual analogue pain score, range of motion (ROM), postoperative nausea and vomiting (PONV), morphine consumption, length of stay and complications.ResultsA total of 863 participants were enrolled. Patients who received steroid injection had a significant reduction in the incidence of PONV and improvement in short-term pain score, and ROM (p < 0.05). Regarding morphine consumption and hospitalization time, the steroid group showed a significant reduction in TKA but no statistically significant difference in THA. In addition, there were no significant differences in complications (n.s.).ConclusionsThe current evidence suggests that steroid injection in TKA/THA provides short-term advantages in pain relief and antiemetic effects. The optimal dose and long-term effects of steroid injection still require numerous studies.Level Of EvidenceII.

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