The aim of this study was to investigate the effect of external cold and vibration stimulation via Buzzy on the pain and anxiety level of children during peripheral intravenous (IV) cannulation. This study was a prospective, randomized controlled trial. The sample consisted of 176 children ages 7 to 12 years who were randomly assigned to two groups: a control group that received no peripheral IV cannulation intervention and an experimental group that received external cold and vibration via Buzzy. The same nurse conducted the peripheral IV cannulation in all the children, and the same researcher applied the external cold and vibration to all the children. The external cold and the vibration were applied 1 minute before the peripheral IV cannulation procedure and continued until the end of the procedure. Preprocedural anxiety was assessed using the Children's Fear Scale, along with reports by the children, their parents, and an observer. Procedural anxiety was assessed with the Children's Fear Scale and the parents' and the observer's reports. Procedural pain was assessed using the Wong Baker Faces Scale and the visual analog scale self-reports of the children. Preprocedural anxiety did not differ significantly. Comparison of the two groups showed significantly lower pain and anxiety levels in the experimental group than in the control group during the peripheral IV cannulation. Buzzy can be considered to provide an effective combination of coldness and vibration. This method can be used during pediatric peripheral IV cannulation by pediatric nurses.
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