The Effect of Shotblocker on Pain and Satisfaction During Measles-Rubella Vaccination: a Randomized Controlled Trial

Abstract

Aim: The study aim to evaluate the effect of shotblocker on pain and satisfaction during measles-mumps-rubella vaccination among infants. Method: A randomized controlled experimental design was used. The study was conducted between August and October 2024 at a Family Health Centre under the Public Health Directorate in eastern Turkey. The sample consisted of 60 infants receiving MMR vaccination, divided into two groups: the ShotBlocker group (n = 30) and the control group (n = 30). Infants in the ShotBlocker group were vaccinated using the ShotBlocker device, while those in the control group underwent routine vaccination without additional intervention. Data were collected using the FLACC Pain Scale and the Newcastle Satisfaction with Nursing Care Scale (NEW-SNCS). Ethical principles were strictly followed. Results: Observations by mothers and nurses indicated significantly lower pain scores during and after vaccination in the ShotBlocker group compared to the control group (p < 0.001). Mothers' satisfaction scores with nursing care were significantly higher in the ShotBlocker group (p < 0.001). Additionally, pulse rates following vaccination were lower in the ShotBlocker group, reflecting reduced physiological stress responses (p < 0.001). Conclusion: ShotBlocker effectively reduces vaccination pain, improves maternal satisfaction, and lessens physiological stress. Its low cost and ease of use support its potential for routine immunization. Further studies are needed to assess its effectiveness across different age groups and clinical contexts. (c) 2025 Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.