• Chao Han, Xiao-Dan Li, Hong-Qiang Jiang, Jian-Xiong Ma, and Xin-Long Ma.
• Department of Orthopedics, Tianjin Hospital, No. 406 Jiefang South Road, Hexi District, Tianjin City, 300211, People's Republic of China.
• J Orthop Surg Res. 2016 Jul 12; 11 (1): 79.

BackgroundPain management after total hip arthroplasty (THA) varies and has been widely studied in recent years. Gabapentin as a third-generation antiepileptic drug that selectively affects the nociceptive process has been used for pain relief after THA. This meta-analysis was conducted to examine the efficacy of gabapentin in THA.MethodsAn electronic-based search was conducted using the following databases: PubMed, EMBASE, Ovid MEDLINE, ClinicalTrials.gov, and Cochrane Central Register of Controlled Trials (CENTRAL). Randomised controlled trials (RCTs) involving gabapentin and a placebo for THA were included. The meta-analysis was performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement.ResultsFive trials met the inclusion criteria. The cumulative narcotic consumption and the visual analogue scale (VAS) scores at 24 and 48 h postoperatively were used for postoperative pain assessment. There was a significant decrease in morphine consumption at 24 h (P = 0.00). Compared with the control group, the VAS score (at rest) at 48 h was less in the gabapentin group (P = 0.00).ConclusionThe administration of gabapentin is effective in decreasing postoperative narcotic consumption and the VAS score.

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