• Lei Chang, Wei Wang, Nanhui Jiang, Fengying Rao, Cheng Gong, Ping Wu, Jian Yang, Zhisu Liu, and Tao Guo.
• Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan.
• Medicine (Baltimore). 2020 Nov 20; 99 (47): e23191.

BackgroundWhile dexamethasone has been applied following transcatheter arterial chemoembolization (TACE) for years, its clinical effects have not been determined. In the current study, we aimed to evaluate the efficacy of dexamethasone in preventing adverse events induced by TACE.MethodsLiterature retrieval was conducted using globally recognized online databases, namely MEDLINE, EMBASE, and Cochrane Central, to identify randomized controlled trials (RCTs) of dexamethasone application in patients undergoing TACE. The relative odds ratios (ORs) of incidence rates of three adverse events, namely, fever, abdominal pain and nausea/vomiting, were calculated. The value of I was applied to evaluate the heterogeneity of the trials, and the overall publication bias was assessed with Egger test.ResultsFour RCTs containing 350 subjects were included for the pooled estimation. Dexamethasone significantly reduced the incidence rate of TACE-induced adverse events (OR = 1.237, 95% CI: 1.170-1.308, P < .001) with moderate heterogeneity (I = 46.0%). The result of Egger test revealed a publication bias for the included studies.ConclusionThe current meta-analysis confirmed the efficacy of dexamethasone in preventing TACE-induced adverse events. To confirm the practicality of dexamethasone use with TACE, further studies with large sample sizes are warranted to update the evidence-based analyses.

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