7. Needle-free jet Injector-assisted triamcinolone treatment of keloids and hypertrophic scars is effective and well tolerated in children. 187 7. Patient Satisfaction Eleven patients completed the patient satisfaction questionnaire (ESM). All patients stated that they ‘agreed’ or ‘strongly agreed’ to have experienced an overall improvement of the scar(s) at follow-up compared with baseline. All patients preferred the EPI treatment over CN. Two patients of respectively, 5 and 9 years of age, experienced the injection-related noise of the EPI as mildly disturbing.
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