Microagulhamento no Tratamento de Cicatrizes Atróficas de Acne-Revisão na Literatura

Acne is a disorder in the epidermis that affects mainly adolescents and young adults, and is characterized by lesions of varying degrees. Depending on the degree of the lesion and the inflammatory process generated, this disease may cause the appearance of atrophic scars. These scars are sunken or raised, dystrophic lesions that do not cause risk of death, but can affect the individual’s self-esteem. One of the techniques that appears as a proposal for improvement of the scars caused by acne is microneedling. This technique consists of the application of a system of needles that generates microlesions in the skin causing an inflammatory effect and inducing tissue regeneration. The objective of this study was to verify in the literature the efficacy of microneedling for the treatment of atrophic acne scars. For this, a bibliographic review was performed in databases (Pubmed and Google Academic) following some inclusion criteria. Five articles have been found that fit all the criteria. In all the articles analyzed, na effectivenes was verified in the use of microneedling for treatmente of atrhophic scars, as well as improvement in skin texture. Regarding the age of the patients, no difference was found in the results of effectiveness. However, in relation to the type of scar, a divergence was found in the results obtained in the treatment of ice pick scars, and microneedling was effective only for distensible scars. In conclusion, the present study demonstrated the high efficacy of microagulation for the treatment of epidermal disorders, such as atrophic scarring of acne.