The Effect of Buzzy® and a Stress Ball on Reducing Pain and Fear During Peripheral Intravenous Cannulation in Children

This study aims to compare the effects of Buzzy®, a device that applies cold and vibration, and a stress ball on pain and fear during intravenous catheter insertion in children aged 7-12 years. It seeks to answer whether one method is more effective than the other in reducing children's pain and fear during the procedure.

Inclusion Criteria: * Children aged 7-12 years * No chronic illness or intellectual or neurological disability * No acute pain at hospital admission * No neurodevelopmental disorder or life-threatening condition, such as sepsis, shock, or respiratory or cardiac arrest * No analgesic medication within 6 hours before the procedure * Both the child and parent able to speak and understand Turkish * No intravenous catheter insertion within the previous year Exclusion Criteria: * Hearing, visual, or cognitive impairment * Not accompanied by a primary caregiver (mother or father) * Unconscious upon hospital admission * More than one attempt required for intravenous catheter insertion in the emergency department