7. Needle-free jet Injector-assisted triamcinolone treatment of keloids and hypertrophic scars is effective and well tolerated in children. 192 Table 1 Patient characteristics (n=11) a Multiple combinations possible b All patients received triamcinolone acetonide 40 mg/ml diluted 1:1 with NaCl during the pilot treatment. Depending on the observed results, at the consecutive treatments a higher or lower concentration was administered. Needle: needle-syringe injection EPI: electronically-controlled pneumatic injector TCA: Triamcinolone Acetonide Concentration TCA in mg/mlb 10 mg/ml 20 mg/ml 40 mg/ml 2 (18) 11 (100) 2 (18) Number of needed EPI treatments 1-3 3-5 5-7 7-9 2 (18) 4 (36) 2 (18) 3 (27)
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