• Ariane Ballard, Christelle Khadra, Samara Adler, Evelyne D Trottier, and Sylvie Le May.
• Faculty of Nursing.
• Clin J Pain. 2019 Jun 1; 35 (6): 532-543.

ObjectiveThis systematic review and meta-analysis examined the effectiveness of the Buzzy device combining cold and vibration for needle-related procedural pain in children.Materials And MethodsDatabases search was conducted from inception to December 2017 to identify randomized controlled trials using the Buzzy device for pain management in children undergoing needle-related procedures. Selection of studies, data extraction, and assessment of risk of bias and quality of evidence were independently performed by 2 reviewers. Quantitative and qualitative analyses were conducted.ResultsA total of 9 studies involving 1138 participants aged between 3 and 18 years old were included in the systematic review and 7 were suitable for meta-analysis. The meta-analysis compared the Buzzy device with a no-treatment comparator and the effect of the device was significant in reducing self-report procedural pain (standardized mean difference [SMD]: -1.11; 95% confidence interval [CI]: -1.52 to -0.70; P<0.0001), parent-reported procedural pain (SMD: -0.94; 95% CI: -1.62 to -0.27; P=0.006), observer-report procedural pain (SMD: -1.19; 95% CI: -1.90 to -0.47; P=0.001), observer-reported procedural anxiety (SMD -1.37; 95% CI: -1.77 to -0.96; P<0.00001), and parent-reported procedural anxiety (SMD -1.36; 95% CI: -2.11 to -0.61; P=0.0004). There was no significant difference for the success of the procedure at first attempt and the occurrence of adverse events.DiscussionThe Buzzy device seems to be a promising intervention for procedural pain management in children. However, the comparative effect is uncertain due to the presence of significant heterogeneity and very low-quality evidence. There is a need to improve the methodological quality and rigor in the design of future trials to conclude to the efficacy of the Buzzy device.

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