Resumen

HERNANDEZ, Ulises et al. Use of Botulinum Toxin in Keloid Scar. Cir. gen [online]. 2014, vol.36, n.2, pp.76-81. ISSN 1405-0099.

Introduction. Keloid scars are diffi cult to treta lesions. There is no current treatment that has demonstrated 100% satisfactory results. The purpose of this work was to determine whether the use of botulinum toxin in keloid scarring provides aesthetic and functional improvement. Material and Methods. In this open clinical trial we included patients with keloid scar. This was a Nonrandom sample study of patients or volunteer. We performed a Clinical and anthropometric evaluation of the keloid scar, with photographic controls before and a month later, Botulinum toxin type A was infi ltrated in the scar 2 units per centimeter of scar tissue. We reevaluated a Month after the injection. Results. 64 volunteer patients, 70.3% female, mean age 35 years, most commonly located in the thorax 21.8% and abdomen 33% were included, the etiology was surgical procedures 46.88% and accidents 29.68%. Skin type IV was more common with 53.12%. Percentages scar improvement within a month of the application of botulinum toxin type A predominance 60, 70 and 80%, with a standard deviation of 14.09 and p = 0.11. Additional fi nding lightening scar on 71.87% and decreased scar tenderness and itching 65.62%.

Conclusion. The Use of Botulinum toxin type A in keloid scarring is an effective option as compared with current standard treatments.

Palabras llave : Keloid scar; Scarring; Botulinum toxin.